KOA CSR1TTED Four-terminal current sense resistor Datasheet

1733 Reader's Spreads pg1-203:document
1/27/09
4:04 PM
Page 44
CSR
resistors
four-terminal current sense resistor
EU
features
•
•
•
•
•
Extremely low resistance and high precision tolerance
Low T.C.R. achieved (±50ppm/°C)
Flameproof UL94V0
Marking: Black body color with white marking
Products with lead-free terminations meet EU RoHS
and China RoHS requirements
dimensions and construction
Size
Code
Dimensions inches (mm)
b
c
d
L
W
t
a
e
f
g
h
CSR1
.425±.02
(10.8±0.5)
.244±.012
(6.2±0.3)
.083±.008
(2.1±0.2)
.118±.012
(3.0±0.3)
.031±.008
(0.8±0.2)
.055±.02
(1.4±0.5)
.047±.02
(1.2±0.5)
.051±.012
(1.3±0.3)
.051±.012
(1.3±0.3)
.197±.004
(5.0±0.1)
.098±.004
(2.5±0.1)
CSR2
.504±.02
(12.8±0.5)
.323±.012
(8.2±0.3)
.122±.008
(3.1±0.2)
.197±.012
(5.0±0.3)
.039±.008
(1.0±0.2)
.079±.02
(2.0±0.5)
.079±.02
(2.0±0.5)
.087±.012
(2.2±0.3)
.087±.012
(2.2±0.3)
.236±.004
(6.0±0.1)
.118±.004
(3.0±0.1)
Voltage
Electrode
Molded
Resistive
Resin
Element
L
Current
Electrode
W
e
t
f
c
b
d
h
a
c
g
ordering information
New Part #
CSR
Type
1
T
Power
Rating
1: 1W
2: 2W
Termination
Material
T: Sn
(Other termination
styles may be
available, please
contact factory
for options)
TE
Packaging
CSR1TED: 10" embossed tape
CSR2TEB: 13" embossed plastic
(CSR1: 10" 12mm pitch)
(all sizes -1,000 pieces/reel)
10L0
Nominal
Resistance
In milliohms:
3 significant figures
“L” indicates
decimal point
F
Tolerance
D: ±0.5%
F: ±1%
For further information on packaging,
please refer to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
46
1/31/08
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
1733 Reader's Spreads pg1-203:document
1/27/09
4:04 PM
Page 45
PMS 300 neg.
Black neg.
four-terminal current sense resistor
typical circuit schematic
Input
Detecting
Circuit
C
S
R
Output
Voltage Terminal
(KELVIN terminal)
Current Terminal
applications and ratings
Part
Designation
Power
Rating
CSR1
1W
CSR2
2W
T.C.R.
(ppm/°C)
Max.
Resistance
Range
E-12
±50
5mΩ - 50mΩ
Resistance
Tolerance
D: ±0.5%,F: ±1%
F: ±1%
Dielectric
Withstanding
Voltage
Rated
Ambient
Temperature
Operating
Temperature
Range
500V
+70°C
-55°C to +125°C
environmental applications
Derating Curve
Surface Temperature Rise
100
125
CSR2
100
Temperature Rise
(°C)
% Rated Power
80
60
40
20
0
-60 -40
-55
-20
0
20
40
60
80
70
Ambient Temperature
(°C)
75
50
25
0
100 120
140
125
CSR1
0
25
50
75
100
% Rated Power
Performance Characteristics
Parameter
Resistance
T.C.R.
Overload
Resistance to Solder Heat
Rapid Change of Temperature
Moisture Resistance
Endurance at 70°C
Low Temperature Operation
High Temperature Exposure
Requirement ∆R
Limit
Typical
Within regulated
—
tolerance
Within specified
—
T.C.R.
±1.0%
±1.0%
±1.0%
±1.0%
±1.0%
±0.5%
±2.0%
±0.5%
±1.0%
±0.5%
±0.5%
±0.25%
±0.5%
±0.25%
Test Method
25°C
+25°C/+125°C
Rated power x 5 for 5 seconds
260°C ± 5°C, 10 seconds ± 1 second
-55°C (30 minutes), +125°C (30 minutes), 500 cycles
40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
-55°C, 1 hour
+125°C, 100 hours
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/16/08
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
47
resistors
CSR
Similar pages