Model 552

Upper Grade Precision Potentiometer

Vishay Spectrol

Document Number: 57067

For technical questions, contact: sfer@vishay.com

www.vishay.com

Revision: 10-Jul-07

131

POWER RATING CHART

Additional cups 75 % of values shown)

MATERIAL SPECIFICATIONS

Housing

Glass filled phenolic (black)

Lids

Aluminum, anodized

Shaft

Stainless steel, non magnetic,

non-passivated

Terminals

Brass, gold plated

Clamp Ring

Stainless steel

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

600 000 shaft revolutions

Load Life

900 h

Operating Temperature Range

- 65 °C to + 125 °C

MARKING

Unit

Identification

Units will be marked with Vishay Spectrol name and model no, resistance and resistance tolerance,

linearity, terminal identification, and date code

20

40

60

80

100

120

140

160

0

1

2

3

SPECIAL 150 °C

STANDARD 125 °C

AMBIENT TEMPERATURE IN °C

RESISTANCE ELEMENT DATA

STANDARD

RESISTANCE

VALUES

(

Ω)

RESO-

LUTION

(%)

OHMS

PER

TURN

MAXIMUM

CURRENT

AT 70 °C

AMBIENT

(mA)

MAXIMUM

VOLTAGE

ACROSS

COIL

(V)

WIRE

TEMP.

COEF.

(ppm/°C)

5

0.265

0.013

447

2.24

800

10

0.182

0.018

316

3.16

800

20

0.155

0.031

224

4.48

800

50

0.150

0.075

141

7.05

180

100

0.125

0.125

100

10.0

20

200

0.116

0.232

70.7

14.1

20

500

0.103

0.517

44.7

22.4

20

1K

0.089

0.886

31.6

31.6

20

2K

0.071

1.411

22.4

44.8

20

5K

0.057

2.828

14.1

70.5

20

10K

0.044

4.381

10.0

100

20

20K

0.036

7.199

7.07

141

20

45K

0.031

14.170

4.71

212

20