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Vishay Spectrol

Revision: 26-Jan-18

2

Document Number: 57027

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

ELECTRICAL SPECIFICATIONS

Effective travel

270° nominal

Resistance range

100

 to 2 M

Resistance tolerance

± 10 %

End resistance

2

 or 1 % whichever is greater

Temperature coefficient of resistance (typical)

± 100 ppm/°C

Power rating

0.5 W at +70 °C derated linearly to 0 W at 125 °C

maximum voltage not to exceed 250 V

Circuit diagram

Dielectric withstand voltage

1000 VAC at sea level; 250 VAC at 80 000 ft (24 000 m)

Insulation resistance (500 VDC)

1000 M

 minimum

Contact resistance variation

1 % or 1

, whichever is greater

MECHANICAL SPECIFICATIONS

Mechanical travel

300° ± 50

Starting torque

35 mNm max.

Weight

0.03 oz. (0.85 g) max.

Resistance element

Cermet

2 terminal adjustability

± 0.15 % of RT

3 terminal adjustability

± 0.05 % of applied voltage

Terminals

Pure Sn (code e3)

ENVIRONMENTAL SPECIFICATIONS

Temperature range

-55 °C to +125 °C

Climatic category

55/125/21

Sealing

IP64

PERFORMANCES

TESTS

CONDITIONS

MAX.

(R)

CHANGE PER CECC

PER IEC

PER MIL

VAB/VAC

41100

Vibration

98 m/s2, 10 Hz to 500 Hz

1 %

2 %

(PARA 2.3.2)

Test FC (IEC 6-2-6)

Method 204

Electrical endurance

1000 h

3 %

-

(PARA 2.5.16)

-

No equiv.

Soldering

-

-

-

(PARA 2.3.7)

Test TB (IEC 68-2-20)

Method 208

Resistance to heat

-

1 %

-

(PARA 2.3.7)

Test B (IEC 68-2-20A)

Method 210

Damp heat steady state

21 days

3 %

-

(PARA 2.1)

Test C (IEC 68-2-3)

Method 103

Mechanical life

200 cycles

3 %

-

-

Method 2

-

Terminal strength

2.2 lbs. (1 kg)

min.

-

-

-

-

MARKING

• Vishay trademark

•Model

• Resistance value

• Tolerance

• Date code

• Terminal identification

a

c

b

cw

(2)

(3)

(1)