CSRF Series
Foil on Ceramic Current Sensing Chip Resistor
Features:
•
•
•
•
•
•
•
High power rating – up to 2W
Low inductance – typically less than 0.2nH
Wide resistance range (0.003Ω – 0.100Ω)
Current handling up to 40 amps
TCR down to ±50 ppm/°C
Non-standard resistance values available
RoHS compliant / lead-free
Stackpole Electronics, Inc.
Resistive Product Solutions
Electrical Specification
Type / Code Package Type
CSRF 1/2
CSRF 1
CSRF 2
1
Power Rating
(Watts) @ 70ºC
0.5W
1W
2W
Dielectric
Withstanding Voltage
200V
200V
200V
Resistance Temperature
Coefficient
1
±100 ppm/ºC
±50 ppm/ºC
±100 ppm/ºC
±50 ppm/ºC
±100 ppm/ºC
Ohmic Range and Tolerance
1.0%
0.005Ω - 0.1Ω
0.01Ω - 0.1Ω
0.003Ω - 0.01Ω
0.011Ω - 0.1Ω
0.003Ω - 0.01Ω
5.0%
0.005Ω - 0.1Ω
0.01Ω - 0.1Ω
0.003Ω - 0.01Ω
0.011Ω - 0.1Ω
0.003Ω - 0.01Ω
1206
2010
2512
Contact factory for TCR parameter for values below 0.01Ω
Performance Characteristics
Test
Load Life
Test Method
MIL-STD-202F-Method 108A
RCWV at 70°C; 1.5hrs ON; 0.5hrs OFF
Total 1024 ± 24hrs
MIL-STD-202F-Method 210E
260 ± 5°C for 10 ± 1sec
MIL-STD-202F-Method 208H
245 ± 5°C for 2 ± 0.5sec
MIL-STD-202F-Method 107G
-55°C to 150°C, 100 cycles
JIS-C-5202-5.5
5x rated power for 5 sec
JIS-C-5202-7.4
-55°C: 30 min. 25°C: 2 to 3 min.
155°C: 30min. 25°C: 2 to 3 min.
MIL- STD-202F-Method 106G
MIL-STD-202F-Method 302
Apply 100Vdc for 1 minute
-
Test Specification
± 0.5%
Typical
≤
0.5%
Resistance to Soldering Heat
Solderability
Thermal Shock
Short Time Overload
± 0.5%
minimum 95% coverage
± 0.5%
± 0.5%
≤
0.25%
> 95%
≤
0.5%
≤
0.5%
Temperature Cycling
Moisture Resistance
Insulation Resistance
Leach Resistance
Operating Temperature Range: -55°C to +170°C
± 0.5%
± 0.5%
1MΩ minimum
90 seconds minimum
≤
0.5%
≤
0.5%
≥
1MΩ
≥
90 seconds
How to Order
SEI Type
Code
Nominal
Resistance
Tolerance
Packaging
CSRF
Type
CSRF
Description
Foil / Ceramic
Code
1/2
1
2
1/2
Wattage
0.5W
1.0W
2.0W
Size
1206
2010
2512
0.01
1%
Tolerance
1%
5%
SEI Types
ALL
R
Pkg Qty
2,000
Description Code
7" reel - Paper
R
Rev Date: 01/19/2010
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
CSRF Series
Foil on Ceramic Current Sensing Chip Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Mechanical Specifications
Type / Code
CSRF 1/2
CSRF 1
(3mΩ - 5mΩ)
CSRF 1
(≥5mΩ)
CSRF 2
(3mΩ - 5mΩ)
CSRF 2
(≥5mΩ)
L
Body Length
0.126 ± 0.008
3.20 ± 0.20
0.197 ± 0.010
5.00 ± 0.25
0.197 ± 0.010
5.00 ± 0.25
0.250 ± 0.010
6.35 ± 0.25
0.250 ± 0.010
6.35 ± 0.25
W
Body Width
0.063 ± 0.008
1.60 ± 0.20
0.098 ± 0.008
2.50 ± 0.20
0.098 ± 0.008
2.50 ± 0.20
0.126 ± 0.008
3.20 ± 0.20
0.126 ± 0.008
3.20 ± 0.20
H
Body Height
0.032 ± 0.006
0.80 ± 0.15
0.039 ± 0.006
1.00 ± 0.15
0.039 ± 0.006
1.00 ± 0.15
0.041 ± 0.006
1.05 ± 0.15
0.032 ± 0.006
0.80 ± 0.15
a
Top Termination
0.020 ± 0.006
0.50 ± 0.15
0.037 ± 0.006
0.95 ± 0.15
0.032 ± 0.006
0.80 ± 0.15
0.075 ± 0.006
1.00 ± 0.15
0.075 ± 0.006
1.00 ± 0.15
b
Bottom Termination
0.020 ± 0.006
0.50 ± 0.15
0.037 ± 0.006
0.95 ± 0.15
0.032 ± 0.006
0.80 ± 0.15
0.075 ± 0.006
1.00 ± 0.15
0.075 ± 0.006
1.00 ± 0.15
Units
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Power Derating Curve
100
Percent Rated Power (%)
75
50
25
0
30
60
80
90
120
150
170
180
Ambient Temperature (ºC)
Rev Date: 01/19/2010
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
2
www.seielect.com
marketing@seielect.com