Bourns CRF Crf series - high power current sense chip resistor Datasheet

T
PL
IA
N
M
CO
*R
oH
S
Features
Applications
■ Resistance value as low as 0.001 ohm
■ Power supplies
■ High power density
■ Stepper motor drives
■ Inductance less than 5 nH
■ RoHS compliant*
CRF Series - High Power Current Sense Chip Resistor
Product Dimensions
Electrical Characteristics
CRF1206
CRF2512
1W
(0.001 to 0.010 Ω) 2 W
(0.015 to 0.050 Ω) 1 W
Power Rating @ 70 °C
Operating Temperature Range
B
-55 °C to +170 °C
Derated to Zero Load at
+170 °C
Maximum Working Voltage
(P x R)1/2
Insulation Resistance
C
C
> 100 megohms
Resistance Range
0.01 - 0.02 Ω
0.001 - 0.050 Ω
±1 %
±1 %, ±5 %
Resistance Tolerance
Temperature Coefficient
0.001 to 0.002 ohms
0.003 to 0.010 ohms
0.015 to 0.050 ohms
±275 PPM/°C
±100 PPM/°C
±75 PPM/°C
Thermal Shock
Short Time Overload
Low Temperature
Storage
High Temperature
Exposure
Bias Humidity
Mechanical Shock
Vibration
Load Life
Resistance to Solder
Heat
Moisture Resistance
Conditions
-55 ˚C to + 150 ˚C,
1000 Cycles, 15 minutes
5 X Rated Power for 5 seconds
Specification
ΔR ±(0.5 % + 0.0005 Ω)
-55 ˚C for 24 hours
ΔR ±(0.5 % + 0.0005 Ω)
1000 hours @ + 170 ˚C
ΔR ±(1.0 % + 0.0005 Ω)
+ 85 ˚C, 85 % RH, 10 % Bias,
1000 hours
100 g’s for 6 milliseconds, 5 pulses
Frequency varied 10 to 2000 KHz
in one minute, 3 directions, 12 hours
1000 hours at rated power at
+70 ˚C, 1.5 hours on, 0.5 hours off
+260 ˚C Solder, 10-12 second dwell,
25 mm/second emergence
MIL-STD-202 Method 106, 0 % power
(7a and 7b not required)
ΔR ±(0.5 % + 0.0005 Ω)
ΔR ±(0.5 % + 0.0005 Ω)
ΔR ±(0.5 % + 0.0005 Ω)
B
1.65 ± 0.20
(0.064 ± 0.008)
3.20 ± 0.20
(0.126 ± 0.008)
C
2.0 ± 0.20 (R ≤ 2m Ω)
0.5 ± 0.3
(0.079 ± 0.008 (R > 2m Ω))
(0.0197 ± 0.012)
0.9 ± 0.2 (R > 2m Ω)
(0.035 ± 0.008 (R ≤ 2m Ω))
T
0.6 ± 0.20
(0.0236 ± 0.008)
0.6 ± 0.20
(0.0236 ± 0.008)
DIMENSIONS:
MM
(INCHES)
Construction
Overcoat
Ni / Sn
Plating
Metal Alloy Plate
Derating Curve
Resistance
Range (Ω)
SENSING TRACE
A
ΔR ±(0.5% + 0.0005 Ω)
B
Cu TRACE
CRF2512
6.40 ± 0.20
(0.252 ± 0.008)
ΔR ±(0.5 % + 0.0005 Ω)
Recommended Solder Pad Layout
A
CRF1206
3.20 ± 0.20
(0.126 ± 0.008)
ΔR ±(0.5% + 0.0005 Ω)
ΔR ±(1.0% + 0.0005 Ω)
C
Dim.
A
B
L
0.010.02
1.8
(0.07)
0.0010.002
4.0
3.1
1.3
(0.157) (0.122) (0.051)
0.0030.050
Model
1.9
1.4
CRF1206
(0.075) (0.055)
4.0
2.1
4.1
(0.157) (0.083) (0.161)
Power Ratio (%)
Test
T
C
Performance Characteristics
L
A
100
-55
CRF2512
70
170
Ambient Temperature (°C)
*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.
CRF Series - High Power Current Sense Chip Resistor
Packaging Dimensions (Conforms to EIA RS-481A)
13.0 ± 1.0
(0.512 ± 0.039)
DIA.
EMBOSSED TAPE
TOP TAPE
1.5
(0.059)
DIA. MIN.
D0 DIA.
E
180 +0/-3
(7.09 +0/-0.118)
DIA.
F
60.0
(2.362)
MIN.
DIA.
W
RESISTOR
A
P1
t
P2
P0
B
USER DIRECTION OF FEED
DIMENSIONS:
Packing
Paper
Tape
Embossed
Tape
Model
A
B
13.0 ± 1.0
(0.512 ± 0.039)
F
E
P1
P2
P0
D0
t
CRF1206
2.0 ± 0.15
3.6 ± 0.2
8.0 ± 0.2
(0.079 ± 0.006) (0.142 ± 0.008) (0.315 ± 0.008)
3.5 ± 0.05
(0.138 ± 0.002)
1.75 ± 0.1
(0.069 ± 0.004)
4.0 ± 0.1
(0.157 ± 0.004)
2.0 ± 0.05
(0.079 ± 0.002)
4.0 ± 0.05
(0.157 ± 0.002)
1.5+0.1/-0
(0.059+0.004/-0)
0.85 ± 0.15
(0.033 ± 0.006)
CRF2512
3.60 ± 0.20
6.9 ± 0.2
12.0 ± 0.2
(0.142 ± 0.008) (0.272 ± 0.008) (0.472 ± 0.008)
5.5 ± 0.05
(0.217 ± 0.002)
1.75 ± 0.1
(0.069 ± 0.004)
4.0 ± 0.1
(0.157 ± 0.004)
2.0 ± 0.05
(0.079 ± 0.002)
2.0 ± 0.05
(0.079 ± 0.002)
1.5+0.1/-0
(0.059+0.004/-0)
0.85 ± 0.15
(0.033 ± 0.006)
Model CRF1206 Resistance Value Table
W
15.4 ± 2.0
(0.606 ± 0.079)
MM
(INCHES)
Soldering Profile
275
R Value
R010
0.010
R020
0.020
Model CRF2512 Resistance Value Table
Code
R Value
Code
R Value
R001
0.0010
R011
0.0110
R0015
0.0015
R012
0.0120
R002
0.0020
R015
0.0150
R003
0.0030
R018
0.0180
R004
0.0040
R020
0.020
R005
0.0050
R025
0.025
R006
0.0060
R030
0.030
R007
0.0070
R033
0.033
R008
0.0080
R040
0.040
R010
0.0100
R050
0.050
REV. 06/13
<1> Maximum of 20 seconds between
260 °C peak
+255 °C and +260 °C
<1> 255 °C
225
220 °C
Temperature (°C)
Code
190 °C
175
90 - 150
seconds
Ramp Down
6 °C/second
150 °C
125
60 - 120 seconds
10 seconds minimum
75
Ramp Up
3 °C/second maximum
25
0
50
100
150
Time (seconds)
200
250
300
How to Order
CRF 2512 - F X - R010 E LF
Model
(CRF = Precision Chip Resistor)
Size
1206 = 1206 Size
2512 = 2512 Size
Resistance Tolerance
• F = ±1 % (Available on models CRF1206 & CRF2512)
• J = ±5 % (Available on model CRF2512)
TCR (PPM/°C)
• Z = ±75 PPM/°C, 0.015 ohm or greater
• X = ±100 PPM/°C, 0.003 ohm through 0.010 ohm
• V = ±275 PPM/°C, 0.001 ohm through 0.002 ohm
Resistance Value
“R” (decimal point) followed by three significant digits (example: R025 = 0.025 ohm)
Packaging
• E = 5,000 pieces (CRF1206) or 4,000 pieces (CRF2512) on 180 mm (7 inch) reel
Termination
• LF = Tin-plated (RoHS compliant)
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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