CRA2010

Model CRA2010 is OBSOLETEAND
not recommended for new
designs.
PL
IA
N
T
Features
M
■ Special alloy resistor
*R
oH
S
CO
■ Power rating at 70 °C: CRA2010 - 1 W,
CRA2512 - 3 W
■ Inductance less than 5 nH
■ RoHS compliant*
CRA2010 - High Power Current Sense Chip Resistor
Electrical Characteristics
Recommended Solder Pad Layout
Characteristic
CRA2010
CRA2512
1W
3W
Power Rating @ 70 °C
Operating Temperature Range
L
B
-55 °C to +170 °C
Derated to Zero Load at
+170 °C
Maximum Working Voltage
(P x R)1/2
Insulation Resistance
A
Cu TRACE
> 100 megohms
0.005 - 0.020 Ω
Resistance Range
SENSING TRACE
0.010 - 0.100 Ω
Resistance Tolerance
±1 %, ±5 %
Model
Temperature Coefficient
±75 PPM/°C
CRA2010
3.1
(0.122)
2.7
3.1
(0.106) (0.122)
CRA2512
4.0
(0.157)
2.1
4.1
(0.083) (0.161)
Performance Characteristics
Test
Thermal Shock
Short Time Overload
Low Temperature
Storage
High Temperature
Exposure
Bias Humidity
Mechanical Shock
Vibration
Load Life
Resistance to Solder
Heat
Moisture Resistance
A
E
T
E
L
O
S
B
O
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)
DIMENSIONS:
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)
B
L
MM
(INCHES)
Construction
Overcoat
Ni / Sn
Plating
ΔR ±(0.5 % + 0.0005 Ω)
Metal Alloy Plate
ΔR ±(0.5% + 0.0005 Ω)
ΔR ±(1.0% + 0.0005 Ω)
ΔR ±(0.5 % + 0.0005 Ω)
ΔR ±(0.5% + 0.0005 Ω)
Product Dimensions
A
T
B
C
C
C
C
A
B
C
T
Resistor
Material
CRA2010
5.0 ± 0.20
(0.1962 ± 0.008)
2.5 ± 0.20
(0.0984 ± 0.008)
0.65 ± 0.20
(0.0256 ± 0.008)
0.6 ± 0.20
(0.0236 ± 0.008)
Resistor Cu-Ni
or Cu-Mn
CRA2512
6.45 ± 0.20
(0.254 ± 0.008)
3.35 ± 0.20
(0.131 ± 0.008)
0.95 ± 0.10
(0.037 ± 0.004)
0.7 ± 0.20
(0.0276 ± 0.008)
Resistor Cu-Ni
or Cu-Mn
Model
*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.
DIMENSIONS:
MM
(INCHES)
Applications
■ Power supplies
■ Stepper motor drives
CRA2010 - High Power Current Sense Chip Resistor
Packaging Dimensions (Conforms to EIA RS-481A)
EMBOSSED TAPE
1.5
(0.059)
DIA. MIN.
1.5 +0.1/-0
DIA.
(0.059 +0.004/-0)
TOP TAPE
1.75 ± 0.1
(0.069 ± 0.004)
5.5 ± 0.05
(0.217 ± 0.002)
13.0 ± 1.0
(0.512 ± 0.039)
DIA.
180 +0/-3
(7.09 +0/-0.118)
DIA.
12.0 ± 0.2
(0.472 ± 0.008)
6.9 ± 0.2
(0.272 ± 0.008)
4.0 ± 0.05
(0.157 ± 0.002)
RESISTOR
3.60 ± 0.20
(0.142 ± 0.008)
4.0 ± 0.1
(0.157 ± 0.004)
1.2 ± 0.15
(0.047 ± 0.006)
60.0
(2.362)
MIN.
DIA.
2.0 ± 0.05
(0.079 ± 0.002)
E
T
E
L
O
S
B
O
USER DIRECTION OF FEED
DIMENSIONS:
CRA2010 Resistance Values Available
Code
R Value
Code
R Value
R005
0.005
R015
0.015
R010
0.010
R020
0.020
15.4 ± 2.0
(0.606 ± 0.079)
MM
(INCHES)
13.0 ± 1.0
(0.512 ± 0.039)
Soldering Profile
275
<1> Maximum of 20 seconds between
+255 °C and +260 °C
260 °C peak
<1> 255 °C
225
CRA2512 Resistance Values Available
Code
R Value
Code
R Value
R010
0.010
R050
0.050
R015
0.015
R060
0.060
R020
0.020
R070
0.070
R025
0.025
R075
0.075
R030
0.030
R080
0.080
R040
0.040
R100
0.100
Consult factory for other resistance values.
Derating Curve
Temperature (°C)
220 °C
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
Power Ratio (%)
CRA 2512 - F Z - R020 E LF
100
-55
70
170
Ambient Temperature (°C)
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)
REV. 12/13
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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