*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
CRA2010/CRA2512 - High Power Current Sense Chip Resistor
Electrical Characteristics Characteristic Data
Product Dimensions
Construction
Derating Curve
Features
■Special alloy resistor
■Power rating at 70 °C: CRA2010 - 1.5 W,
CRA2512 - 3 W
■RoHS compliant*
Applications
■Power supplies
■Stepper motor drives
Characteristic CRA2010 CRA2512
Power Rating @ 70 °C 1.5 W 3 W
Operating Temperature Range -55 °C to +170 °C
Derated to Zero Load at +170 °C
Maximum Working Voltage (P x R)1/2
Insulation Resistance > 100 megohms
Resistance Range 0.01 - 0.100 ohms
Resistance Tolerance ±1 %, ±5 %
Temperature Coefficient ±75 PPM/°C
Overcoat
Metal Alloy Plate
Ni / Sn
Plating
Ambient Temperature (°C)
70 170
100
-55
Power Ratio (%)
*RoHS COMPLIANT
Test ∆R Max.
Load Life (1000 hours) < ±1 %
Short Time Overload < ±0.5 %
Thermal Shock < ±0.5 %
A
B
CC
C
CC
DIMENSIONS: MM
(INCHES)
Recommended Solder Pad Layout
Soldering Profile
A
B
SENSING TRACE
Cu TRACE
L
Model A B L
CRA2010
CRA2512
3.1
(0.122)
2.7
(0.106)
3.1
(0.122)
4.0
(0.157)
2.1
(0.083)
4.1
(0.161)
50
100
150
200
250
Temperature (°C)
90 ± 30 seconds
Pre-heating Zone
150 °C
230 °C or higher
Peak 260 +5/-0 °C
180 °C
30 ± 10 seconds
Heating Time
Soldering Zone
Model A B C
CRA2010
CRA2512 6.40 ± 0.20
(0.252 ± 0.008)
5.0 ± 0.20
(0.1962 ± 0.008)
3.20 ± 0.20
(0.126 ± 0.008)
2.5 ± 0.20
(0.0984 ± 0.008)
0.90 ± 0.20
(0.035 ± 0.008)
0.6 ± 0.20
(0.0236 ± 0.008)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
CRA2010/CRA2512 - High Power Current Sense Chip Resistor
Packaging Dimensions (Conforms to EIA RS-481A)
3.60 ± 0.20
(0.142 ± 0.008) 2.0 ± 0.05
(0.079 ± 0.002)
4.0 ± 0.05
(0.157 ± 0.002)
4.0 ± 0.1
(0.157 ± 0.004)
1.5 +0.1/-0
(0.059 +0.004/-0) DIA. 1.5
(0.059)
DIA. MIN.
0.85 ± 0.15
(0.033 ± 0.006)
6.9 ± 0.2
(0.272 ± 0.008)
5.5 ± 0.05
(0.217 ± 0.002)
1.75 ± 0.1
(0.069 ± 0.004)
12.0 ± 0.2
(0.472 ± 0.008)
TOP TAPE
EMBOSSED TAPE
RESISTOR
USER DIRECTION OF FEED
Resistance Value Table
Code R Value Code R Value
R010 0.010 R060 0.060
R017 0.017 R065 0.065
R020 0.020 R070 0.070
R025 0.025 R075 0.075
R030 0.030 R080 0.080
R034 0.034 R085 0.085
R040 0.040 R090 0.090
R045 0.045 R095 0.095
R050 0.050 R100 0.100
R055 0.055
How To Order
CRA 2512 - G Z - R017 E LF
Model
(CRA = Precision Chip Resistor
Size
2010 = 2010 Size
2512 = 2512 Size
Resistance Tolerance
• F = ±1 %
• J = ±5 %
TCR (PPM/°C)
• Z = ±75 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)
60.0
(2.362)
MIN.
DIA.
DIA.
180 +0/-3
(7.09 +0/-0.118)
13.0 ± 1.0
(0.512 ± 0.039)
DIA.
15.4 ± 2.0
(0.606 ± 0.079)
13.0 ± 1.0
(0.512 ± 0.039)
05/07
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