PRV4

www.vishay.com

Vishay Sfernice

Upgrade for Longlife Version to RV4L

Revision: 21-Nov-2022

2

Document Number: 50004

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

ELECTRICAL SPECIFICATIONS

Resistive element

Cermet

Electrical travel

270° ± 10°

Resistance range

Linear taper

20

Ω to 10 MΩ

Logarithmic taper

100

Ω to 2.5 MΩ

Standard series

1 - 2 - 2.5 - 5

Tolerance

Standard

± 20 %

On request

± 10 %

Taper

Circuit diagram

Power rating

Linear

Logarithmic

2 W at 70 °C

1 W at 70 °C

Temperature coefficient (typical)

300 ppm/°C

Limiting element voltage (linear law)

500 V

Contact resistance variation (typical)

1 % Rn or 3

Ω

End resistance

4

Ω

Dielectric strength (RMS)

1500 V

Insulation resistance (500 VDC)104 M

Ω

Independent linearity (typical)

5 %

10

100

1000

10000

0

20

40

60

80

100

0

20406080

100

Axis Title

Clockwise Shaft Rotation (%)

F

A

L

a

(1)

b

(2)

c

(3)

cw

10

100

1000

10000

0

1

2

0

20406080

70

100

125 140

Axis Title

Ambient Temperature (°C)

Linear taper “A”

Logarithmic taper “L and F”