2" (50.8 mm) Single Turn Wirewound

Precision Potentiometer

Model 302

Vishay Spectrol

Document Number: 57057

For technical questions, contact: sfer@vishay.com

www.vishay.com

Revision: 28-Jun-07

103

FEATURES

• Screw, servo and bushing mount types

available

• Large range of ohmic values: 5 Ω to 85 kΩ

• Extra taps upon request

• Gangable up to 6 sections on a same shaft

RoHS

COMPLIANT

ELECTRICAL SPECIFICATIONS

PARAMETER

Total Resistance:

Tolerance 50

Below 50

Ω

STANDARD

5

Ω to 50 kΩ

± 3 %

± 5 %

SPECIAL

85 k

Ω

± 1 %

± 3 %

Absolute Minimum Resistance

Linearity x total resistance or 0.5

Ω whichever is greater

End Voltage

Linearity x total applied voltage for total resistance above 20

of total applied voltage for 20

Linearity (Independent)

5

Ω to 50 Ω

50

Ω to 200 Ω

200

Ω to 1 kΩ

1 k

Ω to 10 kΩ

10 k

Ω 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

Ω 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

Ω 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/DESCRIPTION

302

C

1

500

BO1

MODEL

MOUNTING TYPE

NUMBER OF SECTIONS

OHMIC VALUE

PACKAGING

B: Bushing

S: Servo

C: Screw

From 1 up to 6 (Max.)

500

Ω

Box of 1 piece

Other characteristics will be standard as described on this data sheet. If special characteristics are required, such as: special linearity

tolerance, special resistance tolerance, extra taps, non-linear functions, etc., please state these on your order and allow additional lead time

for delivery.

SAP PART NUMBERING GUIDELINES

302

S

2

103

202

BO1

MODEL

MOUNTING

TYPE

NUMBER OF

SECTIONS

OHMIC VALUE

OHMIC VALUE

PACKAGING

S: Servo

103 = 10K

202 = 2K

Box of

1 piece