Model 552

Vishay Spectrol

Upper Grade Precision Potentiometer

www.vishay.com

For technical questions, contact: sfer@vishay.com

Document Number: 57067

130

Revision: 10-Jul-07

DIMENSIONS in inches (millimeters)

0.948

(24.08)

± 0.010

0.687

(17.45)

0.312

(7.92)

± 0.031

± 0.015

Ø 0.1248 TYP.

(3.17)

+ 0.0000

- 0.0003

Ø 0.281

(7.14)

+ 0.000

- 0.001

MTG. FACE

0.062

± 0.015

0.875

(22.22)

± 0.015

0.168 MIN.

(4.27)

1

2

3

45°

± 10°

0.172 TYP.

(4.37)

± 0.015

0.594 R

MAX.

(15.09)

1.036

(26.31)

± 0.010

0.375

(9.52)

± 0.031

0.057 MIN.

(1.45)

0.062

(1.57)

Ø 0.875

(22.22)

Ø 0.7500

(19.05)

+ 0.0000

- 0.0005

Ø 0.750 MAX.

(19.05)

MTG. FACE

0.257 MIN.

(6.53)

1

2

1

ADD 0.782 ± 0.002 (19.86) FOR EACH

ADDITIONAL SECTION

TOLERANCES: UNLESS OTHERWISE NOTED.

DECIMALS ± 0.005 ANGLES ± 2°

CW

SCHEMATIC

BUSHING MOUNT

SERVO MOUNT

2

3

1

1

1

0.062

(1.57)

3

MECHANICAL SPECIFICATIONS

PARAMETER

Mechanical Rotation

1080° + 10° - 0°

Bearing Type: Servo Mount

Bushing Mount

Ball bearing

Sleeve bearing

Torque (Maximum)

Servo: 1 Section

Bushing: 1 Section

Each Additional Section

STARTING

0.4 oz. - in (28.8 g - cm)

0.5 oz. - in (36.0 g - cm)

0.3 oz. - in (21.6 g - cm)

RUNNING

0.3 oz. - in (21.6 g - cm)

0.4 oz. - in (28.8 g - cm)

0.2 oz. - in (14.4 g - cm)

Mechanical Runouts (Maximum)

Shaft Runout (TIR/in)

Pilot Dia. Runout (TIR)

Lateral Runout (TIR)

Shaft End Play

Shaft Radial Play

SERVO

0.002" (0.05 cm)

0.002" (0.05 cm)

0.002" (0.05 cm)

0.005" (0.13 cm)

0.002" (0.05 cm)

BUSHING

0.002" (0.05 cm)

0.002" (0.05 cm)

0.005" (0.13 cm)

0.005" (0.13 cm)

0.003" (0.08 cm)

Weight (Maximum): Single Section

Additional Section

0.75 oz. (21.7 g)

0.60 oz. (17.0 g)

Stop Strength

100 oz. - in static (7.2 kg - cm)

Ganging

3 sections maximum, terminal alignment added

sections within ± 10° of section 1 terminals

Moment of Inertia