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CRA2010-GZ-R70ELF Datasheet(PDF) 1 Page - Bourns Electronic Solutions

Part # CRA2010-GZ-R70ELF
Description  CRA2010/CRA2512 - High Power Current Sense Chip Resistor
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Manufacturer  BOURNS [Bourns Electronic Solutions]
Direct Link  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

CRA2010-GZ-R70ELF Datasheet(HTML) 1 Page - Bourns Electronic Solutions

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*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
Test
∆R Max.
Load Life (1000 hours)
< ±1 %
Short Time Overload
< ±0.5 %
Thermal Shock
< ±0.5 %
A
B
C
C
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
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)


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