WSL3921, WSL5931

www.vishay.com

Vishay Dale

Upgrade for TCR to Kelvin Termination With WSL2726

Revision: 29-Aug-2025

4

Document Number: 30110

For technical questions, contact: ww2bresistors@vishay.com

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

Note

•Contact ww2bresistors@vishay.com for application specific performance requirements. Typical performance is better than stated test limits

Notes

• Embossed carrier tape per EIA-481

(1) Additional packaging details at www.vishay.com/doc?20051

PERFORMANCE

TEST

CONDITIONS OF TEST

TEST LIMITS

Thermal shock

-55 °C to +150 °C, 1000 cycles, 15 min at each extreme

± 1.0 %

Short time overload

Refer to link for short time overload performance and pulse capability;

www.vishay.com/en/resistors/power-metal-strip-calculator/

± 0.5 %

Low temperature storage

-65 °C for 24 h

± 0.5 %

High temperature exposure

1000 h at +170 °C

± 1.0 %

Bias humidity

+85 °C, 85 % RH, 10 % bias, 1000 h

± 0.5 %

Mechanical shock

100 g’s for 6 ms, 5 pulses

± 0.5 %

Vibration

Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h

± 0.5 %

Load life

1000 h at +70 °C, 1.5 h “ON”, 0.5 h “OFF”

± 1.0 %

Resistance to solder heat

3 x at 250 °C ± 5 °C for 30 s ± 5 s

± 0.5 %

Moisture resistance

MIL-STD-202, method 106, 0 % power, 7a and 7b not required

± 0.5 %

PACKAGING

MODEL

REEL

TAPE WIDTH

DIAMETER

PIECES/REEL

CODE

WSL3921

16 mm / embossed plastic

330 mm / 13"

3000

EA

WSL5931

24 mm / embossed plastic

330 mm / 13"

1500

EA

LINKS TO RELATED DOCUMENTS

SELECTOR GUIDE

Overview of Automotive Grade Products

www.vishay.com/doc?49924

TECHNICAL NOTES

SMD Current Sense: AEC-Q200 vs. Vishay Qualification

www.vishay.com/doc?30416

MIL-PRF vs. AEC-Q200: Do You Know What You Are Getting?

www.vishay.com/doc?11000

WHITE PAPER

Thermal Management for Surface-Mount Devices

www.vishay.com/doc?30380

Temperature Coefficient of Resistance for Current Sensing

www.vishay.com/doc?30405