& *R
AE oH
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FI
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Features
n
Special alloy resistor
n
Power rating at 70 °C: 3 W
n
Inductance less than 5 nH
n
RoHS compliant*
n
AEC-Q200 qualified, automotive grade
s)
Applications
n
Power supplies
n
Stepper motor drives
n
Input amplifiers
AP *Ro
PR HS
OV C
ED OM
(S P L
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Electrical Characteristics
Characteristic
Power Rating @ 70 °C
Operating Temperature Range
Derated to Zero Load at
Maximum Working Current
Insulation Resistance
Resistance Range
Resistance Tolerance
Temperature Coefficient
CRA2512
3W
-55 °C to +170 °C
+170 °C
(P / R)
1/2
> 100 megohms
0.010 - 0.100
Ω
±1 %, ±5 %
±50 PPM/°C
AE
C
Performance Characteristics
Test
Conditions
-55 ˚C to + 150 ˚C,
1000 Cycles, 15 minutes
5 X Rated Power for 5 seconds
-55 ˚C for 24 hours
1000 hours @ + 170 ˚C
Specification
ΔR
< ±0.5 %
ΔR
< ±0.5 %
ΔR
< ±0.5 %
ΔR
< ±1.0 %
ΔR
< ±0.5 %
ΔR
< ±0.5 %
ΔR
< ±0.5 %
ΔR
< ±1.0 %
ΔR
< ±0.5 %
ΔR
< ±0.5 %
Thermal Shock
Short Time Overload
Low Temperature
Storage
High Temperature
Exposure
Bias Humidity
+ 85 ˚C, 85 % RH, 10 % Bias,
1000 hours
Mechanical Shock
100 g’s for 6 milliseconds, 5 pulses
Frequency varied 10 to 2000 KHz
Vibration
in one minute, 3 directions, 12 hours
1000 hours at rated power at
Load Life
+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
Moisture Resistance MIL-STD-202 Method 106, 0 % power
(7a and 7b not required)
Product Dimensions
A
T
B
C
C
C
C
10
R0
A
6.45 ± 0.20
(0.254 ± 0.008)
CRA2512 - High Power Current Sense Chip Resistor
Recommended Solder Pad Layout
L
B
A
Cu TRACE
SENSING TRACE
Model
CRA2512
A
4.0
(0.157)
B
L
2.1
4.1
(0.083) (0.161)
DIMENSIONS:
MM
(INCHES)
Construction
Overcoat
Ni / Sn
Plating
Metal Alloy Plate
Model
CRA2512
B
3.35 ± 0.20
(0.131 ± 0.008)
C
0.95 ± 0.10
(0.037 ± 0.004)
T
0.7 ± 0.20
(0.0276 ± 0.008)
Resistor
Material
Resistor Cu-Ni
or Cu-Mn
DIMENSIONS:
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.
EMBOSSED TAPE
TOP TAPE
1.5 +0.1/-0
DIA.
(0.059 +0.004/-0)
1.5
(0.059)
DIA. MIN.
1.75 ± 0.1
(0.069 ± 0.004)
5.5 ± 0.05
(0.217 ± 0.002)
12.0 ± 0.2
(0.472 ± 0.008)
RESISTOR
CRA2512 - High Power Current Sense Chip Resistor
Packaging Dimensions (Conforms to EIA RS-481A)
EMBOSSED TAPE
TOP TAPE
1.5 +0.1/-0
DIA.
(0.059 +0.004/-0)
1.5
(0.059)
DIA. MIN.
1.75 ± 0.1
(0.069 ± 0.004)
5.5 ± 0.05
(0.217 ± 0.002)
3.60 ± 0.20
(0.142 ± 0.008)
1.2 ± 0.15
(0.047 ± 0.006)
4.0 ± 0.1
(0.157 ± 0.004)
2.0 ± 0.05
(0.079 ± 0.002)
4.0 ± 0.05
(0.157 ± 0.002)
6.9 ± 0.2
(0.272 ± 0.008)
USER DIRECTION OF FEED
13.0 ± 1.0
(0.512 ± 0.039)
DIA.
180 +0/-3
(7.09 +0/-0.118)
DIA.
60.0
(2.362)
MIN.
DIA.
12.0 ± 0.2
(0.472 ± 0.008)
RESISTOR
3.60 ± 0.20
(0.142 ± 0.008)
1.2 ± 0.15
(0.047 ± 0.006)
4.0 ± 0.1
(0.157 ± 0.004)
2.0 ± 0.05
(0.079 ± 0.002)
4.0 ± 0.05
(0.157 ± 0.002)
6.9 ± 0.2
(0.272 ± 0.008)
USER DIRECTION OF FEED
DIMENSIONS:
MM
(INCHES)
15.4 ± 2.0
(0.606 ± 0.079)
13.0 ± 1.0
(0.512 ± 0.039)
CRA2512 Resistance Values Available
Code
R010
R015
R020
R025
R030
R040
R Value
0.010
0.015
0.020
0.025
0.030
0.040
Code
R050
R060
R070
R075
R080
R100
0.050
0.060
0.070
0.075
0.080
0.100
DIA.
1.0
Can be soldered in accordance with IPC/JEDEC-J-STD-020.
R Value
13.0±±0.039)
(0.512
275
<1>
Maximum of 20 seconds between
+255 °C and +260 °C
180 +0/-3
(7.09 +0/-0.118)
DIA.
225
60.0
(2.362)
190 °C
MIN.
DIA.
175
Soldering Profile
260 °C peak
<1>
255 °C
220 °C
90 - 150
seconds
Ramp Down
6 °C/second
Temperature (°C)
150 °C
Consult factory for other resistance values.
125
Derating Curve
Power Ratio (%)
100
15.4 ± 2.0
(0.606 ± 0.079)
13.0 ± 1.0
(0.512 ± 0.039)
75
60 - 120 seconds
10 seconds minimum
Ramp Up
3 °C/second maximum
25
0
50
100
150
Time (seconds)
200
250
300
-55
70
170
Ambient Temperature (°C)
How to Order
CRA 2512 - F Z - R020 E LF
Model
(CRA = Precision Chip Resistor
Size
2512 = 2512 Size
Resistance Tolerance
• F = ±1 %
• J = ±5 %
TCR (PPM/°C)
• Z = ±50 PPM/°C
Resistance Value
“R” (decimal point) followed by three significant digits (example: R025 = 0.025 ohm)
Packaging
• E = 4000 pieces on 180 mm (7 inch) reel
Termination
• LF = Tin-plated (RoHS compliant)
REV. 01/17
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.
Microcontroller MCU
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