WSL3921, WSL5931

www.vishay.com

Vishay Dale

Revision: 10-Jan-14

1

Document Number: 30110

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

Low Value (down to 0.0002

), Surface Mount

FEATURES

• Ideal for all types of current sensing, voltage

division

and

pulse

applications

including

switching

and

linear

power

supplies,

instruments, power amplifiers

• Proprietary processing technique produces

extremely low resistance values, down to

0.0002



• All welded construction

• Solid metal iron-chrome or manganese-copper

alloy resistive element with low TCR (< 20 ppm/°C)

• Very low inductance 0.5 nH to 5 nH

• Low thermal EMF (< 3 μV/°C)

• Material categorization: For definitions of compliance

Note

technologies

Note

Available

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL



MODEL

SIZE

POWER RATING

W

TOLERANCE

%

RESISTANCE VALUE

RANGE



RESISTANCE VALUES



WEIGHT

(typical)

g/1000 pieces

WSL3921

3921

3.0

1.0, 5.0

0.3m to 4m

0.3m, 0.5m, 1m, 2m, 3m, 4m

281

WSL5931

5931

5.0

1.0, 5.0

0.2m to 3m

0.2m, 0.3m, 0.5m, 1m, 2m, 3m

398

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

RESISTOR CHARACTERISTICS

Temperature coefficient

ppm/°C

± 225 for 0.2 m

, ± 175 for 0.3 m and 0.5 m, ± 75 for 1 m to 4 m

Element TCR

ppm/°C

< 20

Operating temperature range

°C

-65 to +170

Maximum working voltage

V

GLOBAL PART NUMBER INFORMATION

Global Part Numbering: WSL3921L5000FEA (WSL3921, 0.0005

, ± 1 %)

GLOBAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING CODE

SPECIAL

WSL3921

WSL5931

L = m



L5000 = 0.0005



F = ± 1.0 %

J = ± 5.0 %

EA = Lead (Pb)-free, tape/reel

EK = Lead (Pb)-free, bulk

(Dash number)

(Up to 2 digits)

From 1 to 99 as

applicable

W

S

L

3

9

2

1

L

5

0

0

0

F

E

A