Features
■ Resistance value as low as 0.001 ohm
■ High power density
Applications
■ Power supplies
■ Stepper motor drives
■ Inductance less than 5 nH
■ RoHS compliant*
CRF Series - High Power Current Sense Chip Resistor
Product Dimensions
Electrical Characteristics
A
CRF1206
CRF2512
(0.001 to 0.010 Ω) 2 W
Power Rating @ 70 °C
1 W
(0.015 to 0.050 Ω) 1 W
B
Operating Temperature Range
Derated to Zero Load at
Maximum Working Voltage
Insulation Resistance
-55 °C to +170 °C
+170 °C
(P x R)1/2
> 100 megohms
C
C
T
Resistance Range
0.01 - 0.02 Ω
0.001 - 0.050 Ω
Resistance Tolerance
1 ꢀ
1 ꢀ% 5 ꢀ
Temperature Coefficient
0.001 to 0.002 ohms
0.003 to 0.010 ohms
0.015 to 0.050 ohms
275 PPM/°C
C
C
100 PPM/°C
75 PPM/°C
Dim.
CRF1206
CRF2512
3.20 0.20
(0.126 0.008)
6.40 0.20
(0.252 0.008)
A
Performance Characteristics
1.65 0.20
3.20 0.20
B
Test
Conditions
-55 ˚C to + 150 ˚C%
1000 Cycles% 15 minutes
Specification
(0.064 0.008)
(0.126 0.008)
Thermal Shock
ΔR (0.5 ꢀ + 0.0005 Ω)
ΔR (0.5 ꢀ + 0.0005 Ω)
ΔR (0.5 ꢀ + 0.0005 Ω)
2.0 0.20 (R ≤ 2m Ω)
(0.079 0.008 (R > 2m Ω))
0.9 0.2 (R > 2m Ω)
0.5 0.3
(0.0197 0.012)
C
T
Short Time Overload 5 X Rated Power for 5 seconds
Low Temperature
-55 ˚C for 24 hours
Storage
High Temperature
1000 hours @ + 170 ˚C
Exposure
(0.035 0.008 (R ≤ 2m Ω))
0.6 0.20
(0.0236 0.008)
0.6 0.20
(0.0236 0.008)
ΔR (1.0 ꢀ + 0.0005 Ω)
ΔR (0.5 ꢀ + 0.0005 Ω)
MM
(INCHES)
+ 85 ˚C% 85 ꢀ RH% 10 ꢀ Bias%
DIMENSIONS:
Bias Humidity
1000 hours
Mechanical Shock
Vibration
100 g’s for 6 milliseconds% 5 pulses
ΔR (0.5 ꢀ + 0.0005 Ω)
ΔR (0.5ꢀ + 0.0005 Ω)
Construction
Frequency varied 10 to 2000 KHz
Overcoat
in one minute% 3 directions% 12 hours
Ni / Sn
Plating
1000 hours at rated power at
Load Life
ΔR (1.0ꢀ + 0.0005 Ω)
ΔR (0.5 ꢀ + 0.0005 Ω)
ΔR (0.5ꢀ + 0.0005 Ω)
+70 ˚C% 1.5 hours on% 0.5 hours off
Resistance to Solder +260 ˚C Solder% 10-12 second dwell%
Heat
25 mm/second emergence
MIL-STD-202 Method 106% 0 ꢀ power
Metal Alloy Plate
Moisture Resistance
(7a and 7b not required)
Derating Curve
Recommended Solder Pad Layout
L
B
Resistance
Range (Ω)
100
A
B
L
Model
A
0.01-
1.8
1.9
1.4
CRF1206
0.02
(0.07) (0.075) (0.055)
0.001-
0.002
4.0
3.1
1.3
Cu TRACE
-55
70
170
(0.157) (0.122) (0.051)
SENSING TRACE
CRF2512
Ambient Temperature (°C)
0.003-
4.0
2.1
4.1
0.050
(0.157) (0.083) (0.161)
*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.