Bourns CRA2010-FZ-R055ELF Cra2010/cra2512 - high power current sense chip resistor Datasheet

PL
IA
NT
Features
CO
M
■
*R
oH
S
■
■
Applications
Special alloy resistor
Power rating at 70 °C: CRA2010 - 1.5 W,
CRA2512 - 3 W
RoHS compliant*
Power supplies
Stepper motor drives
■
■
CRA2010/CRA2512 - High Power Current Sense Chip Resistor
Electrical Characteristics
Characteristic Data
Characteristic
Power Rating @ 70 °C
CRA2010
CRA2512
1.5 W
3W
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
Test
∆R Max.
Load Life (1000 hours)
< ±1 %
Short Time Overload
< ±0.5 %
Thermal Shock
< ±0.5 %
Recommended Solder Pad Layout
L
0.01 - 0.100 ohms
Resistance Tolerance
±1 %, ±5 %
Temperature Coefficient
±75 PPM/°C
B
A
Product Dimensions
Cu TRACE
SENSING TRACE
A
C
Model
A
B
L
CRA2010
3.1
(0.122)
2.7
(0.106)
3.1
(0.122)
CRA2512
4.0
(0.157)
2.1
(0.083)
4.1
(0.161)
B
C
C
C
C
DIMENSIONS:
Model
A
B
C
CRA2010
5.0 ± 0.20
(0.1962 ± 0.008)
2.5 ± 0.20
(0.0984 ± 0.008)
0.6 ± 0.20
(0.0236 ± 0.008)
CRA2512
6.40 ± 0.20
(0.252 ± 0.008)
3.20 ± 0.20
(0.126 ± 0.008)
0.90 ± 0.20
(0.035 ± 0.008)
MM
(INCHES)
Construction
Overcoat
Ni / Sn
Plating
Soldering Profile
Metal Alloy Plate
Peak 260 +5/-0 °C
230 °C or higher
200
180 °C
150
Derating Curve
Pre-heating Zone
150 °C
90 ± 30 seconds
100
30 ± 10 seconds
Soldering Zone
50
Heating Time
Power Ratio (%)
Temperature (°C)
250
100
-55
70
170
Ambient Temperature (°C)
*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
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)
RESISTOR
3.60 ± 0.20
(0.142 ± 0.008)
0.85 ± 0.15
(0.033 ± 0.006)
4.0 ± 0.1
(0.157 ± 0.004)
2.0 ± 0.05
(0.079 ± 0.002)
60.0
(2.362)
MIN.
DIA.
6.9 ± 0.2
(0.272 ± 0.008)
4.0 ± 0.05
(0.157 ± 0.002)
USER DIRECTION OF FEED
15.4 ± 2.0
(0.606 ± 0.079)
13.0 ± 1.0
(0.512 ± 0.039)
How To Order
Resistance Value Table
CRA 2512 - G Z - R017 E LF
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
Resistance Value
“R” (decimal point) followed by three significant digits (example: R025 = 0.025 ohm)
R045
0.045
R095
0.095
Packaging
• E = 4000 pieces on 180 mm (7 inch) reel
R050
0.050
R100
0.100
Termination
• LF = Tin-plated (RoHS compliant)
R055
0.055
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
Reliable Electronic Solutions
Asia-Pacific:
TEL +886-2 25624117 • FAX +886-2 25624116
Europe:
TEL +41-41 7685555 • FAX +41-41 7685510
The Americas:
TEL +1-951 781-5500 • FAX +1-951 781-5700
www.bourns.com
05/07
COPYRIGHT©2007, BOURNS, INC. LITHO IN U.S.A. e 04/07 SR0707
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Similar pages