M61

www.vishay.com

Vishay Sfernice

Revision: 17-Oct-2025

4

Document Number: 51108

For technical questions, contact: sferpottrimmers@vishay.com

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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

ELECTRICAL SPECIFICATIONS

Resistive element

Cermet

Electrical travel

280° nom.

Resistance range

10

Ω to 2 MΩ

(see “Standard Resistance Element Data” table)

Standard series

1 - 2 - 5

Tolerance standard

± 10 %

Circuit diagram

Power rating

Linear

0.5 W at +70 °C

0 W at +125 °C

Temperature coefficient

± 100 ppm/°C

Limiting element voltage

300 Vmax.

Voltage divider adjustability

Rheostat adjustability

± 0.05 %

± 0.15 %

Contact resistance variation

2 % or 3

Ω max. (whichever is greater)

End resistance (typical)

2

Ω max.

Dielectric strength

900 VAC

Insulation resistance

1000 M

Ω min. at 500 VDC

MECHANICAL SPECIFICATIONS

Mechanical travel

310 mon.

Operating torque (max. Ncm)

3.5

Unit weight (typical)

0.85 g

Wiper (actual travel)

Positioned at approximately 50 %

Terminals

Pure Sn (code e3)

ENVIRONMENTAL SPECIFICATIONS

Temperature range

-55 °C to +125 °C

PERFORMANCES

TESTS

CONDITIONS

TYPICAL VALUES AND DRIFTS

Load life

1000 h at rated power,

ambient temperature +85 °C

Total resistance shift = ± 3 %

Contact resistance variation = 3

Ω or ± 3 %

whichever is greater

Humidity

MIL-STD-202 method 103

96 hours

Total resistance shift = ± 2 %

Insulation resistance = 10 M

Ω

Rotational cycling

200 cycles

Total resistance shift = ± 4 %

Contact resistance variation = 3

Ω or ± 3 %

whichever is greater

Shock

100 g

Total resistance shift = ± 1 %

Voltage resistance shift = ± 1 %

Vibration

30 g

Total resistance shift = ± 1 %

Voltage resistance shift = ± 1 %

a

c

b

CW

(2)

(3)

(1)