CRM0805 1206 2010

T
PL
IA
N
M
CO
*R
oH
S
Features
Applications
■ Thick film technology
■ Current sensing
■ Power rating of 0.25, 0.5 or 1 watt at 70 °C
■ Power supplies
■ Low resistance values available
■ Stepper motor drives
■ RoHS compliant*
■ Snubber resistor for flyback power supplies
CRM0805/1206/2010 High Power Current Sense Chip Resistors
Electrical Characteristics
General Information
Model
CRM0805
0.25 W
Characteristic
Power Rating @ 70 °C
Operating Temperature Range
Derated to Zero Load at
Maximum Working Voltage
47 mohms to 910 mohms
1 ohm to 1 megohm
Insulation Resistance
Resistance Range
Resistance Tolerance
Temperature Coefficient
47 mohms to 91 mohms
(±1 % and ±5 %, E24 Series)
100 mohms to 910 mohms
(±1 % and ±5 %, E24 Series)
1 ohm to 1 megohm
(±1 %, E96 & E24 Series)
Model
CRM1206
0.5 W
-55 °C to +155 °C
+155 °C
Model
CRM2010
1W
551 mV
150 V
675 mV
954 mV
200 V
200 V
>1000 megohms
47 mohms to 910 mohms (±1 % and ±5 %, E24 Series)
1 ohm to 1 megohm (±1 %, E96 & E24 Series)
0 ohm, 1 ohm to 1 megohm (±5 %, E24 Series)
±1 %, ±5 %
±100 ppm
±100 ppm
±100 ppm
±100 ppm
±100 ppm
±100 ppm
±100 ppm (1)
±100 ppm
±100 ppm
±200 ppm
±200 ppm
±200 ppm
4A
4A
6A
1 ohm to 1 megohm
(±5 %, E24 Series)
Zero Ohm Jumper <0.02 ohm (2)
Maximum Rated Current
Exceptions:
(1) ±1 %, 1 ohm to 9.76 ohms: ±150 ppm (CRM0805)
(2) Jumper (0 ohms): Temperature coefficient is not applicable.
Bourns® CRM Series are thick film chip
resistors with high power ratings making
them suitable for different applications in
power supply circuits including current
sensing and current limiting.
Characteristic Data
ΔR Max.
Test
Load Life (1000 hours)
Rated Voltage @ 70 °C
(1.5 hrs. on, 0.5 hrs. off)
1 % Tolerance
5 % Tolerance
<1%
<3%
Short Term Overload
(5 X Rated Power for 5 sec.)
1 % Tolerance
5 % Tolerance
<1%
<2%
Thermal Shock
(5 Cycles: -55 °C/30 min.;
+25 °C/2-3 min.; +155 °C/
30 min.; +25 °C/2-3 min.)
1 % Tolerance
5 % Tolerance
< 0.5 %
<1%
For Standard Values Used in Capacitors,
Inductors and Resistors, click here.
Product Dimensions
L
Model
L
W
C
D
T
CRM0805
2.00 ± 0.15
1.20 ± 0.15
0.40 ± 0.20
0.40 ± 0.20
0.50 ± 0.10
(0.079 ± 0.006) (0.047 ± 0.006) (0.016 ± 0.008) (0.016 ± 0.008) (0.020 ± 0.04)
CRM1206
3.10 ± 0.15
1.60 ± 0.15
0.50 ± 0.25
0.50 ± 0.25
0.55 ± 0.10
(0.122 ± 0.006) (0.063 ± 0.006) (0.020 ± 0.010) (0.020 ± 0.010) (0.022 ± 0.004)
CRM2010
5.00 ± 0.20
2.50 ± 0.20
0.60 ± 0.25
0.60 ± 0.25
0.60 ± 0.10
(0.197 ± 0.008) (0.098 ± 0.008) (0.024 ± 0.010) (0.024 ± 0.010) (0.024 ± 0.004)
W
T
C
D
Recommended Solder Pad Layout
Model
A
B
L
CRM0805
1.3
(0.051)
1.15
(0.045)
1.2
(0.047)
CRM1206
1.8
(0.071)
1.3
(0.051)
2.1
(0.083)
CRM2010
3.0
(0.118)
1.5
(0.059)
3.8
(0.149)
DIMENSIONS:
L
B
A
Cu TRACE
SENSING TRACE
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
CRM0805/1206/2010 High Power Current Sense Chip Resistors
Soldering Profile
Derating Curve
275
<1> Maximum of 20 seconds between
260 °C peak
+255 °C and +260 °C
Power Ratio (%)
<1> 255 °C
225
190 °C
175
90 - 150
seconds
Ramp Down
6 °C/second
150 °C
125
60 - 120 seconds
10 seconds minimum
100
-55
70
155
75
Ambient Temperature (°C)
Ramp Up
3 °C/second maximum
25
0
50
100
150
Time (seconds)
200
250
300
Pulse Load Characteristics
1000
PEAK POWER (WATTS)
Temperature (°C)
220 °C
100
10
CRM2010
CRM1206
1
0.1
0.0001
CRM0805
0.001
0.01
0.1
1
PULSE DURATION (SEC.)
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
CRM0805/1206/2010 High Power Current Sense Chip Resistors
Packaging Dimensions (Conforms to EIA RS-481A)
4.0 ± 0.1
(.157 ± .004)
13.0 ± 1.0
(0.512 ± 0.039)
DIA.
2.0 ± 0.05
(.079 ± .002)
B
A
180 +0/-3
(7.09 +0/-0.118)
DIA.
F
60.0
(2.362)
MIN.
DIA.
W
P0
1.75 ± 0.1
(.059 ± .004)
1.5 +0.1/-0
(.056 + .004/-0)
Maximum 1 mm (.040) thick
* Cumulative over 10 holes: ±0.2 mm
15.4 ± 2.0
(0.606 ± 0.079)
13.0 ± 1.0
(0.512 ± 0.039)
Model
A
B
F
W
CRM0805
2.40 ± 0.20
(0.094 ± 0.008)
1.65 ± 0.20
(0.065 ± 0.008)
3.50 ± 0.05
(0.138 ± 0.002)
8.00 ± 0.30
(0.315 ± 0.012)
CRM1206
3.57 ± 0.20
(0.141 ± 0.008)
2.00 ± 0.20
(0.079 ± 0.008)
3.50 ± 0.05
(0.138 ± 0.002)
8.00 ± 0.30
(0.315 ± 0.012)
CRM2010
5.50 ± 0.20
(0.217 ± 0.008)
2.80 ± 0.20
(0.110 ± 0.008)
5.50 ± 0.05
(0.217 ± 0.002)
12.00 ± 0.30
(0.472 ± 0.012)
DIMENSIONS:
MM
(INCHES)
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
3312
- 2 mm SMDHigh
Trimming
Potentiometer
CRM0805/1206/2010
Power Current
Sense Chip Resistors
How to Order
CRM 2010 - F X - R100 E LF
Model
(CRM = Precision Chip Resistor)
Size
0805 = 0805 Size
1206 = 1206 Size
2010 = 2010 Size
Resistance Tolerance
• F = ±1 %......... Use with “X” TCR code
Exceptions:
(CR0805) Use with “Z” TCR code for values from 1 ohm to 9.76 ohms
• J = ±5 % ......... Use with “W” TCR code for values from 1 ohm through 1 megohm
Use with “X” TCR code for values under 1 ohm
Exceptions:
Use with “/” TCR code for 0 ohm (Jumper)
TCR (PPM/°C - See Electrical Characteristics chart)
• W = ±200 PPM/°C
• Z = ±150 PPM/°C
• X = ±100 PPM/°C
• / = Jumper
Resistance Value
• 1 % or 5 % Tolerance:
R <1 ohm..............“R” represents decimal point followed by three significant digits (example: R100 = 0.100 ohm)
• 1% Tolerance:
<100 ohms ...........“R” represents decimal point (example: 24R3 = 24.3 ohms)
≥100 ohms ...........First three digits are significant, fourth digit represents number of zeros to follow (example: 8252 = 82.5K ohms)
• 5% Tolerance:
<10 ohms .............“R” represents decimal point (example: 4R7 = 4.7 ohms)
≥10 ohms .............First two digits are significant, third digit represents number of zeros to follow (example: 474 = 470K ohms)
0 ohm Jumper ......“000”
Packaging
• E = 5,000 pieces on 180 mm (7 inch) reel - CRM0805, CRM1206
4,000 pieces on 180 mm (7 inch) reel - CRM2010
Termination
• LF = Tin-plated (RoHS Compliant)
REV. 05/15
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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