WSL3921, WSL5931

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Vishay Dale

Revision: 10-Jan-14

2

Document Number: 30110

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

DIMENSIONS

DERATING - AMBIENT TEMPERATURE

DERATING - TERMINAL TEMPERATURE

Example: WSL3921 0.0005



Example: WSL5931 0.0005



H

L

T

W

D

I

d

b

Ambient Temperature in °C

170

125

100

70

25

0

-25

-50

-65

50

120

100

80

60

40

20

0

150

MODEL

DIMENSIONS in inches (millimeters)

LW

H

T

WSL3921

0.394 ± 0.010

(10.0 ± 0.254)

0.205 ± 0.010

(5.20 ± 0.254)

0.020

(0.5)

0.080 ± 0.010

(2.00 ± 0.254)

WSL5931

0.591 ± 0.010

(15.0 ± 0.254)

0.305 ± 0.010

(7.75 ± 0.254)

0.020

(0.5)

0.157 ± 0.010

(4.00 ± 0.254)

MODEL

SOLDER PAD DIMENSIONS in inches (millimeters)

db

l

WSL3921

0.106 ± 0.010

(2.70 ± 0.254)

0.244 ± 0.010

(6.20 ± 0.254)

0.220 ± 0.005

(5.60 ± 0.13)

WSL5931

0.205 ± 0.010

(5.20 ± 0.254)

0.344 ± 0.010

(8.75 ± 0.254)

0.220 ± 0.005

(5.60 ± 0.13)

GLOBAL



MODEL

RESISTANCE

VALUE

(m

)

“D”

THICKNESS

(Inches)

ELEMENT

MATERIAL

WSL3921

0.3

0.0510

Mn-Cu

WSL3921

0.5

0.0300

Mn-Cu

WSL3921

1.0

0.0150

Mn-Cu

WSL3921

2.0

0.0270

Fe-Cr

WSL3921

3.0

0.0170

Fe-Cr

WSL3921

4.0

0.0130

Fe-Cr

WSL5931

0.2

0.0485

Mn-Cu

WSL5931

0.3

0.0300

Mn-Cu

WSL5931

0.5

0.0180

Mn-Cu

WSL5931

1.0

0.0330

Fe-Cr

WSL5931

2.0

0.0155

Fe-Cr

WSL5931

3.0

0.0105

Fe-Cr

Terminal Temperature T

180

160

140

120

80

60

40

20

0

100

120

100

80

60

40

20

0

Stability < 1.0 %

Stability < 0.5 %

Terminal Temperature T

180

160

140

120

80

60

40

20

0

100

120

100

80

60

40

20

0

Stability < 1.0 %

Stability < 0.5 %