WSBS8518...35

www.vishay.com

Vishay Dale

Revision: 09-Mar-17

2

Document Number: 30355

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

DIMENSIONS in inches (millimeters)

DERATING

Note

(1)

70

120

100

80

60

40

20

0

175

150

125

100

75

50

25

0

- 25

- 50

- 65

Ambient Temperature in °C

TOLERANCES ON DECIMALS

.xxx ± 0.005 [.x ± 0.1]

UNLESS OTHERWISE LISTED

RESISTANCE

VALUE (μ

)

ELEMENT

MATERIAL

A

REFERENCE

B

± 0.005 [± 0.13]

100

Ni-Cr

0.120 [3.05]

0.135 [3.43]

500

Ni-Cr

0.615 [15.62]

0.695 [17.65]

1000

Ni-Cr

0.900 [22.86]

0.980 [24.89]

PERFORMANCE

TEST

CONDITIONS OF TEST

TEST LIMITS

Thermal shock

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

± 0.5 %

R

Short time overload

5x rated power for 5 s

± 0.5 %

R

Low temperature storage

-65 °C for 24 h

± 0.2 %

R

High temperature exposure

1000 h at +170 °C

± 1.0 %

R

Bias humidity

+85 °C, 85 % RH, 10 % bias, 1000 h

± 0.5 %

R

Mechanical shock

100 g’s for 6 ms, 5 pulses

± 0.2 %

R

Vibration

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

± 0.2 %

R

Load life

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

± 1.0 %

R

Moisture resistance

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

± 0.2 %

R