R025
Features Applications
n Resistance value as low as 0.001 ohm n Power supplies
n High power density n Stepper motor drives
n Inductance less than 5 nH n Input amplifiers
n RoHS compliant*
n AEC-Q200 compliant
CRF Series - High Power Current Sense Chip Resistor
Electrical Characteristics
Rating CRF0805 CRF1206 CRF2512
(0.001 to 0.010 ) 2 W
Power Rating @ 70 C 0.5 W 1 W
(0.011 to 0.050 ) 1 W
Operating Temperature Range -55 C to +170 C
Derated to Zero Load at +170 C
1/2
Maximum Working Voltage (P x R)
Resistance 0.003 ~ 0.020 0.001 ~ 0.030 0.001 ~ 0.050
Resistance Tolerance 1 %, 5 %
Temperature Coefficient 50 PPM/C
Performance Characteristics
Specification
Test Conditions
CRF0805 CRF1206 CRF2512
-55 C to +150 C,
Thermal Shock R < 1 % R < 0.5 %
300 Cycles, 15 minutes
Short Time Overload 5 X Rated Power for 5 seconds R < 0.5 % R < 0.5 %
Low Temperature Storage -55 C for 1000 hours R < 0.5 % R < 0.5 %
High Temperature Exposure 1000 hours @ + 170 C R < 1 % R < 0.5 %
+ 85 C, 85 % RH,
Bias Humidity N/A R < 1 %
10 % Bias, 1000 hours
100 g for 6 milliseconds,
Mechanical Shock N/A R < 0.5 %
5 pulses
Frequency varied 10-2000 KHz
in one minute, 3 directions, N/A R < 0.5 %
Vibration
12 hours
1000 hours at rated power at
Load Life +70 C, 1.5 hours on, 0.5 hours R < 1 % R < 1 %
off
+260 C, 10-12 second dwell,
Resistance to Solder Heat R < 0.5 % R < 0.5 %
25 mm/second emergence
MIL-STD-202 Method 106, 0 %
R < 0.5 % R < 0.5 %
Moisture Resistance
power (7a and 7b not required)
WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov -
*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.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, andwww.bourns.com/docs/legal/disclaimer.pdf at .
*RoHS and
AEC-Q200 COMPLIANT
*RoHS and
AEC-Q200 COMPLIANT CRF Series - High Power Current Sense Chip Resistor
Product Dimensions
A
A
CRF2512
Dim. CRF0805 CRF1206
0.001 ~ 0.003 0.004 ~ 0.050
B
2.0 0.10 3.20 0.20 6.40 0.20 6.40 0.20
A
B
(0.079 0.004) (0.126 0.008) (0.252 0.008) (0.252 0.008)
1.25 0.10 1.65 0.20 3.20 0.20 3.20 0.20
C C
B
(0.049 0.004) (0.064 0.008) (0.126 0.008) (0.126 0.008)
C C
0.40 0.20 0.50 0.30 2.00 0.30 0.95 0.30
T C
(0.016 0.008) (0.0197 0.012) (0.079 0.012) (0.037 0.012)
T
0.60 0.20 0.60 0.20 0.60 0.20 0.60 0.20
T
(0.024 0.008) (0.024 0.008) (0.024 0.008) (0.024 0.008)
CC
MM
DIMENSIONS:
(INCHES)
CC
Recommended Solder Pad Layout
CRF0805 CRF1206 CRF2512
L B
Dim.
0.003 ~ 0.020 0.001 0.002 ~ 0.030 0.001 ~ 0.003 0.004 ~ 0.050
A
1.4 1.8 1.8 4.0 4.0
A
(0.055) (0.070) (0.070) (0.157) (0.157)
1.15 2.3 1.7 3.1 2.1
Cu TRACE
B
SENSING TRACE (0.045) (0.090) (0.066) (0.122) (0.083)
1.2 1.0 1.6 1.3 4.1
MM
L
DIMENSIONS:
(0.047) (0.039) (0.062) (0.051) (0.161)
(INCHES)
Resistance Value Tables
Construction
Overcoat
CRF0805
CRF2512 (1W)
Ni / Sn
Code R Value Code R Value Code R Value Code R Value
Plating
R003 0.003 R009 0.009 R011 0.011 R030 0.030
R004 0.004 R010 0.010 R012 0.012 R033 0.033
R005 0.005 R020 0.020 R015 0.015 R035 0.035
Metal Alloy Plate
R009 0.009 R018 0.018 R040 0.040
R020 0.020 R050 0.050
R025 0.025
Derating Curve
CRF1206
Code R Value Code R Value
CRF2512 (2W)
R001 0.001 R010 0.010
100
Code R Value Code R Value
R002 0.002 R012 0.012
R001 0.001 R005 0.005
3L50 0.0035 R014 0.014
1L50 0.0015 R006 0.006
R004 0.004 R015 0.015
R002 0.002 R007 0.007
R005 0.005 R020 0.020
R003 0.003 R008 0.008
R006 0.006 R022 0.022
-55 70 170 R004 0.004 R010 0.010
R007 0.007 R025 0.025
R008 0.008 R030 0.030
Ambient Temperature (C)
R009 0.009
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, andwww.bourns.com/docs/legal/disclaimer.pdf at .
Power Ratio (%)