TO-220, TO-247 Heat Sink Mountable Resistors

TOKEN
POWER
TO-STYLE RESISTOR
TO-220/TO-247 Heat Sink Mountable Power Film
Token Electronics Industry Co., Ltd.
Taiwan: No. 137, Sec. 1, Chung Shin Rd., Wu Ku Hsiang, Taipei Hsien, Taiwan, R.O.C
TEL: 886-2-2981 0109; FAX: 886-2-2988 7487
China:
12F, Zhongxing Industry Bld., Chuangye Rd., Nanshan District, Shenzhen, Guangdong
TEL: 86-755-2605 5363, 2605 5364; FAX: 86-755-2605 5365
http://www.token.com.tw
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Product Index
Information
General Information ----------------------------------------------------------------------------- 01
Application Guide -------------------------------------------------------------------------------- 02
TO-220, TO-247 Power Resistors
TO-220 Precision Power - RMG20 Series ------------------------------------------------ 05
TO-220 Precision Power - RMG30 Series ------------------------------------------------ 08
TO-220 Precision Power - RMG35 Series ------------------------------------------------ 11
TO-220 Precision Power - RMG50 Series ------------------------------------------------ 14
TO-247 Precision Power - RMG100 Series ---------------------------------------------- 17
Notice: Specification Changed or Version Updated will be posted at irregular intervals.
All Updated and Final Specifications, Please Confirm with TOKEN ELECTRONICS
REPRESENITIVES.
:
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TOKEN
TO-Style Resistors General Information
TO-Style
Power Resistors
General Infornation
Compact TO-Style Resistors are Low Cost
Token Electronics TO-Style power film heat sink mountable resistors, TO-220 and TO-247 Style
Packages, are designed for intermediate power applications and combines performance with an economical price.
TO-220 Power Resistors, TO-247 Power Resistors RMG series are ultra precision and high power
resistors encapsulated in the TO-220, TO-247 style power package. Power resistors are manufactured
in 20W, 30W, 35W, 50W and 100W. Resistance element is electrically insulated from metal heat sink
mounting tab. When properly mounted Token’s RMG** TO220/TO247 packaged power resistors provide up to 50/100 watts of steady state power. These very low inductance resistors are ideal for many
industrial applications: power supplies, power controls and inrush/bleeder resistors.
Download Entire TO-220, TO-247 Power Resistors Catalogue in PDF file (486KB).
Non-Inductive Design for High Frequency Applications
Token’s TO-Style Series satisfy demanding applications for accurate and stable power resistors
housed in the convenient TO-Style case.
The resistance element is isolated from the mounting tab by an alumina ceramic layer, providing very
low thermal resistance and ensuring high insulation resistance between terminals and tab.
These isolated resistor element are constructed and packaged in a high temperature plastic case with
a single screw metal tab for easy mounting to the heat sink. The non-inductive design makes these
products especially useful in high frequency and high speed pulse applications.
Pulse-Loading Applications as Snubber or Bleeder Resistors
Token’s TO-Style resistors are designed for use in pulse-loading applications, as bleeder or snubber
resistors in switching power supplies, industrial power drives, medical, test equipment, high power
equipment such as uninterruptible power supplies (UPS), and other power distribution and power
conversion applications.
The Power Film Resistors use an optimized process of Token’s thick film technology on an alumina
substrate to achieve tolerances as low as ± 0.5 %, and up to ± 10 %. The Non-Inductive design and
resistance values as low as 0.05 ohms are also ideal for current sensing applications.
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TOKEN
TO-Style Resistors Application Guide
TO-Style
Power Resistors
Application Guide
Application Guide
for Heat Sink Mountable Power Film Resistors
Figur e 1
Temperature Measurement Locations
on a TO-220 Metal Tab Power Package
Tab Temperature
Molded Package Temperature
Film Temperature (T J )
Lead Temperature
Case Temperature (T C )
Heat Sink
Temperature
Understanding Temperature and Power Rating
The maximum power rating of TO-style power film resistor is specified with the case temperature
(TC) at 25°C. This is the same method proven and established by the power semiconductor industry.
Case temperature is the temperature measured at the center of the resistor mounting surface which is
in contact with the heat sink, while the resistor is under electrical load. Case temperature is different
from the
molded body temperature, the tab temperature, the lead temperature, or the ambient temperature
(as shown in Figure 1).
Using case temperature we can determine the temperaure of the resistor film (TJ). This is crucial
factor since early device failures are usually traced to excessive temperatures of the resistor film.
Excessive
film temperatures will cause a drift of the resistance value or reduced component life. Proper thermal
design followed by temperature measurements to verify the design, and consistent mounting
procedures will avoid these problems.
Assembly of Thermal Material
Due to variations in the mating surfaces between the resistor package and the heat sink air voids are
created. These voids will substantially degrade the performance of TO-Style device. Thus, it is
important to use a thermal interface material to fill these air voids. Several materials are available
to reduce thermal resistance between the resistor and heat sink surface.
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TOKEN
TO-Style Resistors Application Guide
● Thermal grease is a combination of thermally conductive particles combined with a fluid forming a
grease-like consistency. The fluid has typically been a silicone oil, however there are now very good “nonsilicone” thermal greases. Thermal grease has been used for many years and typically has among
the lowest thermal resistances of all thermal materials available.
● Thermal pads, an alternative to thermal grease, are available from a number of manufacturers.
These thermally conductive pads are available in sheet form or in pre-cut shapes designed for various
standard packages such as the TO-220 and TO-247. Thermal pads are spongy materials and require
uniform pressure and firm to perform properly.
MP2060
HEAT SINK
MP2060
HEAT SINK
MP2060
HEAT SINK
Selection of Hardware Assembly
Proper hardware is an extremely important consideration in a good thermal design. The hardware must
maintain firm even pressure on the device, through thermal cycling, without deforming the heat sink or the
device.
● Spring Clips are preferred by many designers in place of screw assembly for attaching Token TO-Style
Power Resistors to the heat sink. These spring clips are available from several manufacturers which offers
a number of standard springs and heat sinks specifically designed for clip mounting TO-220 and TO-247
packages. Spring clips offer many benefits for ease of assembly, but their biggest advantage is the consistent application of optimum force over the center of the power resistor (as shown in Figure 2).
● Screw Mounting - Belleville or Conical Washers used with a screw are an effective method for attachment to a heat sink. A Belleville washer is a conical spring washer designed to maintain constant
pressure over a wide range of deflection. The washers withstand long-term temperature cycling without
variation in pressure. Figure 3 shows some typical hardware configurations for screw mounting a TO-Style
package to a heat sink. Flat washers, star washers, and most split lock washers should not be used in place
of Belleville washers since they do not provide a constant mounting pressure and may cause damage to the
resistor.
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TOKEN
TO-Style Resistors Application Guide
Assembly Considerations
● Avoid using this TO-Style family of power resistors for SMT assembly.
● Plastic mounting hardware that softens or creeps at high operating temperatures must be avoided.
● Never let the head of the screw contact the resistor. Use a flat washer or conical washer to evenly
distribute the force.
● Avoid sheet metal screws which have a tendency to roll up the edges of the hole and create
damaging burrs on the heat sink.
● Rivets are not recommended. With rivets it is difficult to maintain consistent pressure and they
can easily damage plastic packages.
● Do not over-torque. If the screw is too tight, the package may crack or have a tendency to bow up
at the end farthest from the screw (lead end). Pneumatic tools are not recommended.
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Version 2010
TOKEN
RMG20 TO-220 Power Resistors
TO-220
Power Resistors
Power Resistors (TO-220 RMG20)
Deliver Thermal Efficiency
Preview
Providing design engineers with superior heat dissipation in
a standard industry-recognised package, Token Electronics
has introduced a TO220-style power resistor using a highly
reliable, economical copper thick film.
The RMG20 Series, designed by Token, are rugged resistors
feature noninductive performance and low thermal
resistance, making them ideal for a variety of industrial
applications such as power supplies, industrial controls and
automotive, where cost effective performance and reliability
are paramount.
The non-noble copper ink construction of the RMG20 Series
resistor makes it an efficient alternative to other thick film leaded power resistors while maintaining the excellent
thermal conductivity and heat dissipation necessary for demanding power applications.
With low resistance values at higher power ratings, Token’s proprietary resistor element ensures design engineers
the highest quality noninductive performance in an efficient package.
Operating temperatures range from -65°C to +150°C.
Constructed with proprietary thick-film copper conductors and alloy resistors on an alumina ceramic substrate,
the RMG20 Series resistor features low thermal impedance for high power dissipation. Contact us with your
specific needs.
Features
- Molded Case for Protection and Easy to Mount.
- 20 Watt at 25°C Case Temperature Heat Sink Mounted.
- Isolated Case, Non Inductive, TO-220 Style Power Package.
Applications
- VHF Amplifiers, Snubber Circuits, Voltage Regulation, Load Resistor for Pulse Generators,
High Speed Switching Power Supplies.
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TOKEN
RMG20 TO-220 Power Resistors
Dimensions (Unit: mm)
T
H
W
B1
D1
B
T1
D
C
Type
W
RMG20
10.15~10.67
H
T
T2
T1
T2
B
B1
C
D
16.00~16.52 2.92~3.44 0.40~0.60 1.52~2.04 11.43~13.97 2.54~4.06 4.82~5.34 0.66~0.86
D1
1.14~1.40
Electrical Characteristics Specifications
Resistance Range
Resistance Tolerance
±5.00%
±10.0%
±1.00%
±5.00%
±10.0%
±1.00%
±5.00%
±10.0%
±0.50%
±1.00%
±5.00%
±10.0%
0.05Ω~1Ω
2Ω~5Ω
5Ω~10Ω
11Ω~10KΩ
TCR(PPM/°C)
±200
±100
±200
±50
±100
±200
Note: Operating Voltage:350V Max. Dielectric Strength: 1800VAC. Insulation Resistance: 10GΩmin.
Working Temperature Range:-65°C to +150°C. Resistance Value < 1Ω is Available
Power Derating Curve
Derating Curve
Rated Power (%)
100
80
60
40
20
0
0
20
50
75
100
125
150
175
Case Temperature (°C)
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TOKEN
RMG20 Power Resistors
Environmental Characteristics
Test Item
Temperature Coefficient of
Resistance
Terminal Strength
Specification
Test Method
10Ω and above, ±50ppm/°C
Referenced to 25°C, ΔR taken at +105°C
1Ω and 10Ω, (±100ppm)/°C
2 times rated power with applied voltage not to exceed
Δ R±0.3%
1.5 times maximum continuous operating voltage for 5
seconds.
Δ R±1.0%
MIL-R-39009,2,000 hours at rated power.
MIL-STD-202F, Method 103B
Δ R±0.5%
40°C, 90~95%RH, RCWV 1.5hours ON, 0.5hours
OFF. total 1000~1048 hours.
MIL-STD-202, Method 107G.
Δ R±0.3%
-65°C~150°C,100 cycle
Δ R±0.2%
MIL-STD-202, Method 211, Cond.A(Pull Test) 2.4N.
Vibration, High Frequency
Δ R±0.2%
Short Time Overload
Load Life
Humidity (Steady State)
Thermal Shock
MIL-STD-202, Method 204, Cond.D.
Note:1.Lead Material: Tinned Copper.
2.Without a Heat Sink, when in Free Air at 25°C, the RMG20 is Rated for 2.25W.
3.The Case Temperature is to be used for the Definition of the Applied Power Limit.
4.The Case Temperature Measurement Must be Made with a Thermocouple Contacting the Center of the Component
Mounted on the Designed Heat Sink.
5.Thermal Grease Should be Applied Properly.
How to Order
RMG
20
J
P
D
10R






 Part Number: TO-220 Power Resistors
 Power Rating
 Resistance Tolerance
Code
D
F
G
J
K
 TCR
Resistance Tolerance
±0.5%
±1%
±2%
±5%
±10%
TCR
D
±50PPM/°C
±100PPM/°C
±200PPM/°C
No specified
E
F
-
 Resistance
Code
0R1
10R
1K
10K
 Packaging
Code
T
P
Code
Packaging
Tube
Bulk
Resistance
0.1Ω
10Ω
1KΩ
10KΩ
Back to 1st Page - TO-220 Power Resistors (RMG20)
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TOKEN
RMG30 TO-Style Power-Film Resistors
To-Style
Power-Film Resistors
TO-Style Power-Film Resistors - RMG30 Series
Take on Transistor Outlines
Preview
A wide range of TO-style power film resistors that are
designed for use in power electronic circuits such as
snubbers, current limiting, loads, current sensing and
other power resistor applications, is available from Token
Components.
Their compact heatsink-mountable construction ensures that
they are ideal for high-power-density applications, and the
noninductive form allows these TO-style resistors to operate
at up to 30 Watt at 25°C case temperature.
RMG30 Series values as low as 0.05Ω make them particularly
suited for current sensing applications with Pb-free Terminations Meet RoHS Requirments.
The resistance range of these resistors is from 0.05Ω to 10KΩ and tolerances are standard at 1% for most
resistance values, although 5% tolerances are available.
Many standard values are available from Token. Contact us with your specific needs.
Features
- 30 Watt at 25°C Case Temperature Heat Sink Mounted.
- Isolated Case, Non Inductive, TO-220 Style Power Package.
- Single Screw Mounting to Heat Sink, Molded Case for Protection and Easy to Mount.
Applications
- Gate Resistors in Power Supplies, Terminal Resistance in RF Power Amplifiers.
- UPS, Snubbers, Voltage Regulation, Low Energy Pulse Loading, Load and Dumping Resistors in
CRT Monitors.
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TOKEN
RMG30 TO-Style Power-Film Resistors
Dimensions (Unit: mm)
T
W
G
H
R
B1
D1
T1
B
D
C
T2
Type
W
H
T
T1
T2
B
B1
C
D
D1
G
R
RMG30
10.15
~
10.67
16.00
~
16.52
2.92
~
3.44
0.40
~
0.60
1.52
~
2.04
11.43
~
13.97
2.54
~
4.06
4.82
~
5.34
0.66
~
0.86
1.14
~
1.40
2.92
~
3.44
3.08
~
3.28
Electrical Characteristics Specifications
Resistance Range
Resistance Tolerance
±5.00%
±10.0%
±1.00%
±5.00%
±10.0%
±1.00%
±5.00%
±10.0%
±0.50%
±1.00%
±5.00%
±10.0%
0.05Ω~1Ω
2Ω~5Ω
5Ω~10Ω
11Ω~10KΩ
TCR(PPM/°C)
±200
±100
±200
±50
±100
±200
Note: Operating Voltage:350V Max. Dielectric Strength: 1800VAC Insulation Resistance: 10GΩmin.
Working Temperature Range:-65°C to +150°C. Resistance Value < 1Ω is Available
Power Derating Curve
Derating Curve
Rated Power (%)
100
80
60
40
20
0
0
25
50
75
100
125
150
175
Case Temperature (°C)
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TOKEN
RMG30 TO-220 Power Resistors
Environmental Characteristics
Test Item
Specification
Test Method
Temperature Coefficient of 10Ω and above, ±50ppm/°C
Referenced to 25°C, ΔR taken at +105°C
Resistance
1Ω and 10Ω, (±100ppm)/°C
2 times rated power with applied voltage not to exceed
Short Time Overload
Δ R±0.3%
1.5 times maximum continuous operating voltage for 5
seconds.
Load Life
Δ R±1.0%
MIL-R-39009,2,000 hours at rated power.
MIL-STD-202F, Method 103B
Humidity (Steady State)
Δ R±0.5%
40°C, 90~95%RH, RCWV 1.5hours ON, 0.5hours OFF.
total 1000~1048 hours.
MIL-STD-202, Method 107G.
Thermal Shock
Δ R±0.3%
-65°C~150°C,100 cycle
Terminal Strength
Δ R±0.2%
MIL-STD-202, Method 211, Cond.A(Pull Test) 2.4N.
Vibration, High Frequency Δ R±0.2%
MIL-STD-202, Method 204, Cond.D.
Note:1.Lead Material: Tinned Copper. Maximum Torque: 0.9 Nm.
2.Without Heat Sink, When in Free Air at 25°C, the RMG30 is Rated for 2.25W.
3.The Case Temperature is to be used for the Definition of the Applied Power Limit.
4.The Case Temperature Measurement Must be Made with a Thermocouple Contacting the Center of the Component
Mounted on the Designed Heat Sink.
5.Thermal Grease Should be Applied Properly.
How to Order
RMG
30
J
P
D
10R






 Part Number
 Power Rating
 Resistance Tolerance (%)
Code
D
F
G
J
K
 TCR
TCR
D
±50PPM/°C
±100PPM/°C
±200PPM/°C
No specified
E
F
-
Resistance Tolerance
±0.5%
±1%
±2%
±5%
±10%
 Resistance
Code
0R1
10R
1K
10K
 Packaging
Code
T
P
Code
Packaging
Tube
Bulk
Resistance
0.1Ω
10Ω
1KΩ
10KΩ
Back to 1st Page - TO-220 Power Resistors (RMG30)
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TOKEN
RMG35 Power TO-Style Resistors
Power
TO-Style Resistors
TO-220 Power TO-Style Resistors - RMG35 Series
Boast Superior Thermal Performance
Preview
Giving power electronics design engineers a comprehensive range of high-wattage surface mount and throughhole resistors designed to provide superior thermal performance in densely populated power supply circuits,
Token Electronics has released a series of noninductive power resistors with power ratings 35W, in popular
transistor-style packages (TO-220).
The RMG35 resistors are designed to provide complete thermal flow from the resistive element to the integral
metal flange of the TO-style packages, giving design engineers the ability to specify them for high-wattage power
electronics circuits that can experience elevated temperatures during operation.
The devices are all rated for operation from -65°C to +150°C.
Their superior thermal performance and extreme power ratings make the RMG35 Series resistors ideal for
switch-mode power supply circuits, motor control and drive circuits, automotive electronics, industrial power
equipment and UPS systems. In addition, their non-inductance exhibit excellent high frequency characteristics
for use in high frequency industrial RF power sources, RF linear amplifiers, termination resistor of RF circuit etc.
The RMG35 Series resistors feature thermally enhanced two-leaded industry standard packages designed for
mounting directly to a heatsink. Token Electronics will also produce devices outside these specifications to meet
customer requirements, with comprehensive application engineering and design support available for customers
worldwide.
All RMG35 Series devices are RoHS-compliant, and compatible with high temperature soldering processes
normally employed for lead free solders.
Contact us with your specific needs.
Applications
- RF Power Amplifier.
- Switching Power Supplies.
- Low Energy Pulse Loading.
- Automated Machine Controller.
- UPS, Snubbers Circuits, Voltage Regulation.
Features
- Single Screw Mounting to Heat Sink.
- Molded Case for Protection and Easy to Mount.
- 35 Watt at 25°C Case Temperature Heat Sink Mounted.
- TO-220 Style Power Package, Isolated Case, Non Inductive.
- Low Thermal Resistance to Heat Sink at Rth < 4.28°C/W.
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TOKEN
RMG35 Power TO-Style Resistors
Dimensions (Unit: mm)
T
W
N
G
M
H
R
B1
D1
T1
B
D
T2
C
Type
W
9.91
~
10.41
RMG35
H
14.50
~
15.00
T
4.06
~
4.82
T1
0.55
~
0.70
T2
2.05
~
2.52
B
12.70
~
14.70
B1
4.00
C
4.83
~
5.33
D
0.70
~
0.86
D1
1.17
~
1.37
G
2.85
~
3.05
R
3.55
~
3.75
M
5.85
~
6.35
N
1.20
~
1.40
Electrical Characteristics Specifications
Resistance Range
Resistance Tolerance
TCR(PPM/°C)
0.05Ω~1Ω
±5.00%; ±10.0%
-
>0.1Ω~1Ω
±1.00%; ±5.00%; ±10.0%
-
>1Ω~3Ω
±1.00%; ±5.00%; ±10.0%
±300
>3Ω~10KΩ
±1.00%; ±5.00%; ±10.0%
>10Ω~10KΩ
±0.50%; ±1.00%
±5.00%; ±10.0%
±100
±200
±50
±100
±200
Note: Operating Voltage:350V Max. Dielectric Strength: 1800VAC. Insulation Resistance: 10GΩmin.
Working Temperature Range:-65°C to +150°C . Resistance Value < 1Ω is Available
Power Derating Curve
Derating Curve
Rated Power (%)
100
80
60
40
20
0
0
25
50
75
100
125
150
175
Case Temperature (°C)
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TOKEN
RMG35 Power TO-Style Resistors
Environmental Characteristics
Test Item
Specification
Test Method
Temperature Coefficient of 10Ω and above, ±50ppm/°C
Referenced to 25°C, ΔR taken at +105°C
Resistance
1Ω and 10Ω, (±100ppm)/°C
2 times rated power with applied voltage not to exceed
Short Time Overload
Δ R±0.3%
1.5 times maximum continuous operating voltage for 5
seconds.
Load Life
Δ R±1.0%
MIL-R-39009,2,000 hours at rated power.
MIL-STD-202F, Method 103B
Humidity (Steady State)
Δ R±0.5%
40°C, 90~95%RH, RCWV 1.5hours ON, 0.5hours OFF.
total 1000~1048 hours.
MIL-STD-202, Method 107G.
Thermal Shock
Δ R±0.3%
-65°C~150°C,100 cycle
Terminal Strength
Δ R±0.2%
MIL-STD-202, Method 211, Cond.A(Pull Test) 2.4N.
Vibration, High Frequency Δ R±0.2%
MIL-STD-202, Method 204, Cond.D.
Note:1.Lead Material: Tinned Copper. Maximum Torque: 0.9 Nm.
2.Without Heat Sink, When in Free Air at 25°C, the RMG35 is Rated for 2.50W.
3.The Case Temperature is to be used for the Definition of the Applied Power Limit.
4.The Case Temperature Measurement Must be Made with a Thermocouple Contacting the Center of the Component
Mounted on the Designed Heat Sink.
5.Thermal Grease Should be Applied Properly.
How to Order
RMG
35
J
P
D
10R






 Part Number
 TCR (PPM/°C)
 Power Rating
 Resistance Tolerance (%)
Code
D
F
G
J
K
TCR
D
±50PPM/°C
±100PPM/°C
±200PPM/°C
No specified
E
F
-
Resistance Tolerance
±0.5%
±1%
±2%
±5%
±10%
 Resistance
Code
0R1
10R
1K
10K
 Package
Code
T
P
Code
Package
Tube
Bulk
Resistance
0.1Ω
10Ω
1KΩ
10KΩ
Back to 1st Page - TO-220 Power Resistors (RMG35)
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TOKEN
RMG50 To-Style Power Resistors
To-Style
Power Resistors
To-Style Power Resistors Keeps Its Cool
Preview
Providing design engineers with an open screened substrate device for applications requiring superior thermal
performance, Token Electronics has developed a non-moulded power resistor rated up to 50W.
Designated the RMG50 Series, the resistor is housed in a TO-220 opened screened substrate package, and
features an insulated tapered venturi bonded to the substrate for maximum heat dissipation. The design of the
RMG50 Series resistor allows for three methods of heat dissipation, resulting in exceptional power handling
characteristics.
The chimney-shaped tapered venturi is attached to the ceramic substrate and convection forces hot air up the
‘neck’ of the chimney and away from the resistor face of the component.
The power resistor utilises all three methods of heat dissipation, including conduction through the heatsink tab,
radiation from the resistor surface, and convection through the venturi element. Typical applications for the
RMG50 resistor include higher wattage switch-mode power supply circuits, motor control and drive circuits,
inverters and industrial power equipment.
Resistance ranges from 0.05Ω to 10KΩ, with tolerances of ±0.50% and ±10% and operating temperature range is
-65°C to +150°C. The RMG50 Series TO-220 provides customers requiring more wattage in a smaller package
with an excellent alternative.
Token Electronics will also produce devices outside these specifications to meet customer requirements, with
comprehensive application engineering and design support available for customers worldwide. Contact us with
your specific needs.
Applications
- UPS.
- Voltage Regulation.
- Pulsing applications.
- Switching Power Supplies.
- Non-inductive design for high frequency.
Features
- Electrically Isolated Case.
- TO-220 Style Power Package.
- Low ohm value, non-inductance design
- Molded Case for Protection and Easy to Mount.
- 50 Watt at 25°C Case Temperature Heat Sink Mounted.
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Version 2010
TOKEN
RMG50 To-Style Power Resistors
Dimensions (Unit: mm)
T
H
W
B1
D1
B
T1
D
C
Type
W
RMG50
10.15~10.67
H
T2
T
T1
T2
B
B1
C
D
D1
16.00~16.52 2.92~3.44 0.40~0.60 1.52~2.04 11.43~13.97 2.54~4.06 4.82~5.34 0.66~0.86
1.14~1.40
Electrical Characteristics Specifications
Resistance Range
Resistance Tolerance
±5.00%
±10.0%
±1.00%
±5.00%
±10.0%
±1.00%
±5.00%
±10.0%
±0.50%
±1.00%
±5.00%
±10.0%
0.05Ω~1Ω
2Ω~5Ω
5Ω~10Ω
11Ω~10KΩ
TCR(PPM/°C)
±200
±100
±200
±50
±100
±200
Note: Operating Voltage:350V Max. Dielectric Strength: 1800VAC
Insulation Resistance: 10GΩmin. Working Temperature Range:-65°C to +150°C
Resistance Value < 1Ω is Available
Power Derating Curve
Derating Curve
Rated Power (%)
100
80
60
40
20
0
0
25
50
75
100
125
150
175
Case Temperature (°C)
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TOKEN
RMG50 To-Style Power Resistors
Environmental Characteristics
Test Item
Temperature Coefficient of
Resistance
Short Time Overload
Load Life
Humidity (Steady State)
Thermal Shock
Terminal Strength
Vibration, High Frequency
Specification
Test Method
10Ω and above, ±50ppm/°C
Referenced to 25°C, ΔR taken at +105°C
1Ω and 10Ω, (±100ppm)/°C
2 times rated power with applied voltage not to exceed
Δ R±0.3%
1.5 times maximum continuous operating voltage for 5
seconds.
Δ R±1.0%
MIL-R-39009,2,000 hours at rated power.
MIL-STD-202F, Method 103B
Δ R±0.5%
40°C, 90~95%RH, RCWV 1.5hours ON, 0.5hours
OFF. total 1000~1048 hours.
MIL-STD-202, Method 107G.
Δ R±0.3%
-65°C~150°C,100 cycle
Δ R±0.2%
MIL-STD-202, Method 211, Cond.A(Pull Test) 2.4N.
Δ R±0.2%
MIL-STD-202, Method 204, Cond.D.
Note: 1.Lead Material: Tinned Copper. Maximum Torque: 0.9 Nm.
2.Without a Heat Sink, When in Free Air at 25°C, the RMG50 is Rated for 3W.
3.The Case Temperature is to be used for the Definition of the Applied Power Limit.
4. The Case Temperature Measurement Must be Made with a Thermocouple Contacting the Center of the Component
Mounted on the Designed Heat Sink.
5.Thermal Grease Should be Applied Properly.
How to Order
RMG
50
J
P
D
10R






 Part Number
 TCR (PPM/°C)
 Power Rating
 Resistance Tolerance (%)
Code
D
F
G
J
K
TCR
D
±50PPM/°C
±100PPM/°C
±200PPM/°C
No specified
E
F
-
Resistance Tolerance
±0.5%
±1%
±2%
±5%
±10%
 Resistance
Code
0R1
10R
1K
10K
 Package
Code
T
P
Code
Package
Tube
Bulk
Resistance
0.1Ω
10Ω
1KΩ
10KΩ
Back to 1st Page - TO-220 Power Resistors (RMG50)
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Version 2010
TOKEN
RMG100 TO-247 Power Resistors
To-247
Power Resistors
TO-247 Power Resistors handle high-speed pulses
Preview
Providing design engineers with a high-power resistive device in a stable transistor style package, Token
Electronics RMG100 Series TO-247 power resistors are available in 100W.
The resistors are specified for applications that require accuracy and stability. The RMG100 Series resistors are
designed with an alumina ceramic layer that separates the resistance element and mounting tab.
This construction provides very low thermal resistance while ensuring high insulation resistance between the
terminals and the metal back plate. As a result, the resistors feature a very low inductance, making them ideal for
high frequency and high-speed pulse applications.
Additional applications for the RMG100 Series TO-247 resistors include automation test equipment, high
frequency snubber and pulse handling circuits, motor control and drive circuits, switch mode power supplies,
load resistors, automotive electronics, industrial power equipment, UPS systems and industrial computers.
RMG100 Series 100W resistors feature a resistance range of 0.1Ω to 10KΩ and operating temperature range is
-65°C to +175°C.
Token will also produce devices outside these specifications to meet customer requirements. The RMG100 Series
power resistors are RoHS-compliant with Pb-free Terminations. Contact us with your specific needs.
Applications
- Low Energy Pulse Loading.
- Gate Resistors in Power Supplies.
- UPS, Snubbers, Voltage Regulation.
- Terminal Resistance in RF Power Amplifiers.
- Load and Dumping Resistors in CRT Monitors.
Features
- TO-247 Style Power Package.
- Single M3 Screw Mounting to Heat Sink.
- Molded Case for Protection and Easy to Mount.
- Non-Inductive Design, Electrically Isolated Case.
- 100 Watts at 25°C Case Temperature Heat Sink Mounted.
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17 of 19
TOKEN
RMG100 TO-247 Power Resistors
Dimensions (Unit: mm)
T
W
G
H
R
B1
D1
T1
B
D
C
Type
RMG100
W
15.49
~
16.01
H
20.44
~
20.96
T
4.69
~
5.21
T1
0.55
~
1.07
T2
T2
2.15
~
2.67
B
13.21
~
15.75
B1
2.03
~
3.55
C
9.90
~
10.42
D
1.42
~
1.62
D1
3.45
~
3.81
G
5.07
~
5.59
R
3.53
~
3.73
Electrical Characteristics Specifications
Resistance Range
Resistance Tolerance
±5%
±10%
±1%
±1%
±5%
±10%
±1%
±5%
±10%
0.1Ω~1Ω
>1Ω~3Ω
>3Ω~10Ω
>10Ω~10KΩ
TCR(PPM/°C)
±300
±100
±200
±50
±100
±200
Note: Operating Voltage: 350V Max. Dielectric Strength: 1800V AC.
Insulation Resistance: 10GΩ min. Working Temperature Range: -65°C to +175°C.
Power Derating Curve
Derating Curve
Rated Power (%)
100
18 of 19
80
60
40
20
0
0
25
50
75
http://www.token.com.tw/
100
125
150
175
rfq token.com.tw
Version 2010
TOKEN
RMG100 TO-247 Power Resistors
Environmental Characteristics
Test Item
Temperature Coefficient of
Resistance
Specification
Test Method
As spec.
Referenced to 25°C, ΔR taken at +105°C
Short Time Overload
ΔR±0.5%
Dielectric strength
Load Life
Moisture resistance
ΔR±0.15%
ΔR±1.0%
ΔR±0.5%
Thermal Shock
ΔR±0.5%
Terminal Strength
ΔR±0.2%
Vibration, High Frequency
ΔR±0.42%
Solderability
90% min coverage
1.5 times rated power with applied voltage not to
exceed 1.5 times maximum continuous operating
voltage for 5 seconds.
MIL-STD-202F Method 301(1800V AC, 60s)
MIL-PRF-39009D, 4.8.13 Rated power, 2,000 hours.
-10°C~+65°C, RH>90%, cycle 240 hours.
MIL-STD-202, Method 107G.
-65°C~150°C,100 cycle
MIL-STD-202F, Method 211, Cond. A (Pull Test)
2.4N
MIL-STD-202F, Method 204, Cond.D
MIL-STD-202F Method 208H
245°C±5°C, 3±0.5 (sec)
Note:1.Lead Material: Tinned Copper. Thermal Grease Should be Applied Properly.
2.When in Free Air at 25°C, the RMG100 is Rated for 3.5W.
3.The Case Temperature is to be used for the Definition of the Applied Power Limit.
4.The Case Temperature Measurement Must be Made with a Thermocouple Contacting the Center of the Component
Mounted on the Designed Heat Sink.
How to Order
RMG
100
J
P
D
10R






 Part Number
 Power Rating
 Resistance Tolerance (%)
Code
D
F
G
J
K
 TCR (PPM/°C)
Resistance Tolerance
±0.5%
±1%
±2%
±5%
±10%
TCR
D
±50PPM/°C
±100PPM/°C
±200PPM/°C
±300PPM/°C
No specified
E
F
G
-
 Resistance
Code
0R1
10R
1K
10K
 Package
Code
T
P
Code
Package
Tube
Bulk
Resistance
0.1Ω
10Ω
1KΩ
10KΩ
Back to 1st Page - TO-220 Power Resistors (RMG100)
Version 2010
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