Vishay Intertechnology, Inc.
WSLT
Power Metal Strip Resistors
High Temperature (275 °C), Low Value (Down to 0.0003 Ω), Surface-Mount
® WSHM
High Power (7 W), Low Value (Down to 0.001 Ω), Surface-Mount
WSBS, WSBM, WBP Battery Shunt Resistor, Very Low Value (to 50 μΩ), High Power (36 W), High Current (849 A)
WSR5 Molded, High Power (5 W), Low Value (Down to 0.001 Ω), SurfaceMount
WSK, WSK1216 4-Terminal Design Allows More Accurate Current Sense Measurement for Low Values
WSLP WSMS Meter Shunt Resistor, Very Low Value (to 100 μΩ), High Power (3 W), High Current (173 A)
Very High Power (to 10 W), Low Value (Down to 0.0002 Ω), Surface-Mount
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V I S H AY I N T E R T E C H N O L O G Y, I N C .
Power Metal Strip® RESISTORS Focus Products Series WSLP Series (0603 to 2512) WSL0612 WSL1020 WSLP0805...18
Power Rating P70 °C
Resistance Value Range
Available Tolerances
TCR
Operating Temperature Range
up to 3.0 W
0.0005 Ω to 0.2 Ω
± 0.5 %, ± 1 %
down to ± 75 ppm/°C
-65 °C to +170 °C
Very high power (to 3.0 W) and low value (down to 0.0005 Ω); surface-mount
1.0 W, 2.0 W
0.001 Ω to 0.006 Ω
± 0.5 %, ± 1 %, ±5%
down to ± 150 ppm/°C
-65 °C to +170 °C
Very high power (to 2.0 W) and low value (down to 0.001 Ω); surface-mount
1.0 W
0.005 Ω to 0.01 Ω
± 0.1 %, ± 1 %
down to ± 75 ppm/°C
-65 °C to +170 °C
Very high power (up to 1.0 W) and low value (down to 0.005 Ω); surface-mount
WSLF2512
up to 6.0 W
0.0003 Ω to 0.003 Ω
± 1 %, ± 5 %
down to ± 170 ppm/°C
-65 °C to +170 °C
Very high power (up to 6.0 W) and low value (down to 0.0003 Ω); surface-mount
WSLP2726
up to 7.0 W
0.0002 Ω to 0.004 Ω
± 1 %, ± 5 %
± 75 ppm/°C
-65 °C to +170 °C
± 75 ppm/°C
-65 °C to +170 °C
down to ± 75 ppm/°C
-65 °C to +170 °C
Very high power (up to 7.0 W); low value (down to 0.0002 Ω); surface-mount
WSLP4026
up to 7.0 W
0.0002 Ω to 0.004 Ω
± 1 %, ± 5 %
Very high power (up to 7.0 W); low value (down to 0.0002 Ω); surface-mount
WSLP3921
up to 9.0 W
0.0002 Ω to 0.004 Ω
± 1 %, ± 5 %
Very high power (up to 9.0 W); low value (down to 0.0002 Ω); surface-mount
WSLP5931
up to 10.0 W
0.0002 Ω to 0.003 Ω
± 1 %, ± 5 %
down to ± 75 ppm/°C
-65 °C to +170 °C
Very high power (up to 10 W); low value (down to 0.0002 Ω); surface-mount
Series
WSLT2512
Power Rating P70 °C
Resistance Value Range
Available Tolerances
TCR
Operating Temperature Range
1.0 W
0.01 Ω to 0.5 Ω
± 0.5 %, ± 1 %
± 75 ppm/°C
-65 °C to +275 °C
± 75 ppm/°C
-65 °C to +275 °C
High temperature (275 °C); low value (down to 0.01 Ω); surface-mount
WSLT2010…18
1.0 W
0.01 Ω to 0.5 Ω
± 0.5 %, ± 1 %
High temperature (275 °C); high power (1 W); low value (down to 0.01 Ω); surface-mount
WSLT2726
3.0 W
0.0002 Ω to 0.005 Ω
± 1 %, ± 5 %
± 75 ppm/°C
-65 °C to +275 °C
± 75 ppm/°C
-65 °C to +275 °C
down to ± 75 ppm/°C
-65 °C to +275 °C
down to ± 75 ppm/°C
-65 °C to +275 °C
High temperature (275 °C); high power; low value; surface-mount; 4-terminal
WSLT4026
3.0 W
0.0002 Ω to 0.005 Ω
± 1 %, ± 5 %
High temperature (275 °C); high power; low value; surface-mount; 4-terminal
WSLT3921
3.0 W
0.0002 Ω to 0.004 Ω
± 1 %, ± 5 %
High temperature (275 °C); low value (down to 0.0002 Ω); surface-mount
WSLT5931
5.0 W
0.0002 Ω to 0.003 Ω
± 1 %, ± 5 %
High temperature (275 °C); low value (down to 0.0002 Ω); surface-mount
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
V I S H AY I N T E R T E C H N O L O G Y, I N C .
Power Metal Strip® RESISTORS Focus Products Series
WSHM2818
Power Rating P70 °C
Resistance Value Range
Available Tolerances
TCR
Operating Temperature Range
7.0 W
0.001 Ω to 0.1 Ω
± 0.5 %, ± 1 %
down to ± 75 ppm/°C
-65 °C to +170 °C
down to ± 75 ppm/°C
-65 °C to +275 °C
High power (7 W); low value (down to 0.001 Ω); surface-mount
WSR5
5.0 W
0.001 Ω to 0.3 Ω
± 0.5 %, ± 1 %
High power (5 W); low value (down to 0.001 Ω); surface-mount
Series
WSKW0612
Power Rating P70 °C
Resistance Value Range
Available Tolerances
TCR
Operating Temperature Range
1.0 W
0.001 Ω to 0.003 Ω
± 1 %, ± 5 %
down to ± 75 ppm/°C
-65 °C to +170 °C
down to ± 35 ppm/°C
-65 °C to +170 °C
± 35 ppm/°C
-65 °C to +170 °C
down to ± 35 ppm/°C
-65 °C to +170 °C
down to ± 50 ppm/°C
-65 °C to +170 °C
Low value (down to 0.001 Ω); surface-mount; 4-terminal
WSK1206
0.25 W
0.01 Ω to 0.05 Ω
± 0.1 % to ± 1 %
Low value (down to 0.01 Ω); surface-mount; 4-terminal
WSK1206...18
0.5 W
0.01 Ω to 0.05 Ω
± 0.1 % to ± 1 %
Low value (down to 0.01 Ω); high power (0.5 W); surface-mount; 4-terminal
WSK2512
1.0 W
0.0005 Ω to 0.2 Ω
± 0.1 % to ± 1 %
Low value (down to 0.0005 Ω); surface-mount; 4-terminal
WSK1216
up to 5 W
Down to 0.0005 Ω
±1%
High power (up to 5 W); low value (down to 0.005 Ω); surface-mount; 4-terminal
Series
WSBS8518
Power Rating P70 °C
Resistance Value Range
Available Tolerances
TCR
Operating Temperature Range
36.0 W
50 µΩ to 1000 µΩ
±5%
± 225 ppm/°C
-65 °C to +170 °C
Very low value (50 µΩ, 100 µΩ, 125 µΩ, and 250 µΩ available); high current (849 A)
WSBM8518
36.0 W
50 µΩ to 250 µΩ
±5%
± 225 ppm/°C
-65 °C to +170 °C
Molded enclosure; very low value (50 µΩ, 100 µΩ, and 250 µΩ available); high current (849 A)
Series
WBP
Resistance
Voltage Range
Current Range (Continuous)
Current Range (Pulsed)
Operating Temperature Range
100 µΩ
4 V to 18 V
± 600 A
± 1000 A
-40 °C to +115 °C
Very low-value (100 µΩ) intelligent battery sensor; operates as LIN 2.0 or 2.1 slave
Series
WSMS5515
Power Rating P70 °C
Resistance Value Range
Available Tolerances
TCR
Operating Temperature Range
3.0 W
50 µΩ to 1000 µΩ
±5%
down to ± 175 ppm/°C
-65 °C to +170 °C
Very low value (100 µΩ, 160 µΩ, 200 µΩ, 250 µΩ, 300 µΩ, and 500 µΩ available)
WSMS2908
3.0 W
50 µΩ to 1000 µΩ
±5%
down to ± 175 ppm/°C
-65 °C to +170 °C
Very low value (100 µΩ, 250 µΩ, 300 µΩ, 430 µΩ, and 500 µΩ available); high current (245 A)
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Power Metal Strip® RESISTORS ARE OPTIMIZED FOR CURRENT SENSING IN A WIDE RANGE OF ELECTRONIC SYSTEMS Advantages of Vishay Power Metal Strip® Resistors • • • •
Superior performance in high-temperature applications Very high power ratings, up to 36 W A wide range of package sizes Resistance values from 0.00005 Ω up to 1 Ω
For the Following Applications • Automotive controls for body, powertrain, safety, and infotainment • DC/DC converters, voltage regulation modules, and Li-Ion battery management • Automotive and industrial battery management • Electric power metering and large industrial current sensing
Using the WSBS, WSBM, and WSMS series in your metering and monitoring applications ensures more accurate results
Using the WSLP, WSLT, and WSHM series in your automotive applications helps you boost performance and efficiency
Useful Links • Capabilities brochure www.vishay.com/doc?49677 • Product overview www.vishay.com/doc?49581 • For technical questions, please contact ww2bresistors@vishay.com • Video on thermal EMF www.vishay.com/videos/resistors/power-metalstrip174-resistor-thermal-emf-product-demo AEC-Q200 QUALIFIED © 2016 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED.
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SOLUTIONS VMN-MS7295-1701