Model 302

www.vishay.com

Vishay Spectrol

Revision: 22-Nov-16

1

Document Number: 57057

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

2" (50.8 mm) Single Turn Wirewound

Precision Potentiometer

FEATURES

• Screw, servo and bushing mount types

available

• Large range of ohmic values: 5

 to 85 k

• Extra taps upon request

• Gangable up to 6 sections on a same shaft

• Material categorization: for definitions of compliance

QUICK REFERENCE DATA

Sensor type

ROTATIONAL, single turn wirewound

Output type

Output by turrets

Market appliance

Professional

Dimensions

2" (50.8 mm)

ELECTRICAL SPECIFICATIONS

PARAMETER



Total resistance:



Tolerance 50

 and above

Below 50



STANDARD

5

 to 50 k

± 3 %

± 5 %

SPECIAL

85 k



± 1 %

± 3 %

Absolute minimum resistance

Linearity x total resistance or 0.5

 whichever is greater

End voltage

Linearity x total applied voltage for total resistance above 20

, 2.0 % of total applied voltage

for 20

 and below

Linearity (independent)



5

 to 50 

50

 to 200 

200

 to 1 k

1 k

 to 10 k

10 k

 and above

STANDARD

± 1.0 %

± 0.50 %

± 0.25 %

± 0.25 %

± 0.25 %

BEST PRACTICAL

± 0.50 %

± 0.35 %

± 0.20 %

± 0.15 %

± 0.10 %

Noise

100

 ENR

Electrical angle

350° ± 2°

Power rating



Section 1: 4.0 W



Additional sections

70 °C ambient derated to zero at 125 °C

75 % of the rating of section 1 (3.0 W at 70 °C)

Insulation resistance

1000 M

 minimum 500 V

DC

Dielectric strength

Taps (extra)

21 available as special, standard tolerance ± 1°

Phasing (CCW end points)

Additional sections phased to section 1 within ± 1°

ORDERING INFORMATION

30

2

B

12

032

03

X

X

X

X

MODEL

STYLE

GANGS

OHMIC VALUE

OHMIC VALUE

SPECIAL REQUEST

302

B: bushing

S: servo

C: screw

1

2

3

4

470 = 47



222 = 2.200



103 = 10 k



For ohmic value

range see electrical

specification

470 = 47



222 = 2.200



103 = 10 k



For ohmic value

range see electrical

specification

xxxx