Model 708

Precision Potentiometer

Vishay Spectrol

Document Number: 57070

For technical questions, contact: sfer@vishay.com

www.vishay.com

Revision: 02-Jul-07

43

MATERIAL SPECIFICATIONS

Housing and Lids

Aluminum, anodized

Shaft

Stainless steel, non-magnetic

non-passivated

Terminals

Brass plated for solderability

Bushing Mount Hardware

Lockwasher Internal tooth:

Panel Nut:

Steel, nickel plated

Brass, nickel plated

ENVIRONMENTAL SPECIFICATIONS

Vibration

15 g thru 2000 Hz

Shock

50 g

Salt Spray

96 h

Rotational Life

Servo: 20 million shaft revolutions

Bushing: 5 million shaft revolutions

Load Life

900 h

Temperature Range

- 55 °C to + 125 °C

MARKING

Unit

Identification

Units shall be marked with Spectrol name, model no, and data code, and on each section, resistance,

resistance tolerance, linearity and terminal identification

POWER RATING CHART

(Ratings for cup No. 1.

Additional cups 75 % of values shown)

20

40

60

80

100

120

140

160

AMBIENT TEMPERATURE IN °C

0.5

0

1.0

1.5

2.0

RESISTANCE ELEMENT DATA

RESISTANCE

VALUES

(

Ω)

MAXIMUM VOLTAGE

APPLICABLE

(V)

500

22

1K

32

2K

45

5K

71

10K

100

20K

141

50K

224