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Vishay Spectrol

Revision: 26-Jan-18

3

Document Number: 57028

For technical questions, contact: sferpottrimmers@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

• Nothing stated herein shall be construed as a guarantee of quality or durability

STANDARD RESISTANCE ELEMENT DATA

STANDARD

RESISTANCE

VALUES

LINEAR LAW

TYPICAL

TCR

-55 °C

+125 °C

MAX. POWER

AT 70 °C

MAX. WORKING

VOLTAGE

MAX. CURRENT

THROUGH WIPER



W

V

mA

ppm/°C

10

20

50

100

200

250

500

1K

2K

2.5K

5K

10K

20K

25K

50K

100K

200K

250K

500K

1M

2M

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.31

0.25

0.125

0.063

0.031

2.2

3.2

5

7.1

10

11.2

15.8

22.4

31.6

35.4

50

70.7

100

112

158

224

250

250

250

250

250

224

158

100

71

50

45

32

22

16

14

10

7.1

5

4.5

3.2

2.2

1.3

1

0.5

0.25

0.13

± 100

PERFORMANCES

TESTS

CONDITIONS

TYPICAL VALUES AND DRIFTS

R

T/RT (%)

R

1-2/R1-2 (%)

Load life

1000 h at rated power

90'/30' - ambient temp. 70 °C

± 1 %

Contact res. variation: < 1 % Rn

± 2 %

Climatic sequence

Phase A dry heat 125 °C - 30 % Pr



Phase B damp heat



Phase C cold -55 °C



Phase D damp heat 5 cycles

± 0.5 %

± 1 %

Long term damp heat

56 days

40 °C, 93 % RH

± 0.5 %

Dielectric strength: 1000 VRMS

Insulation resistance: > 104 M



± 1 %

Rapid temperature change

5 cycles

-55 °C to +125 °C

± 0.5 %

V

1-2/V1-3  ± 1 %

Shock

50 g at 11 ms

3 successive shocks

in 3 directions

± 0.1 %

± 0.2 %

Vibration

10 Hz to 55 Hz

0.75 mm or 10 g

during 6 h

± 0.1 %

V

1-2/V1-3  ± 0.2 %

Rotational life

200 cycles

± 4 %

Contact res. variation: < 1 % Rn

-

MARKING

• Vishay trademark

•Model

•Style

• Ohmic value (in

, k, M)

• Tolerance (in %)

• Manufacturing date

• Marking of terminal 3