Model 657

www.vishay.com

Vishay Spectrol

Revision: 27-Mar-15

1

Document Number: 57077

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

Industrial Rotary Position Sensor

Bushing Mount Type, Conductive Plastic

FEATURES

• Fully sealed for high immunity to environmental damage

• Excellent temperature stability

• Rotational life exceeds 2 million revolutions

• Low cost and wide range of options

• Stainless steel shaft

•Shock to 30 g vibration to 15 g at 10 Hz to 2000 Hz

QUICK REFERENCE DATA

Sensor type

ROTATIONAL, conductive plastic

Output type

Output by turrets

Market appliance

Industrial

Dimensions

15.81 mm x 17.46 mm

ELECTRICAL SPECIFICATIONS

PARAMETER

Standard resistance

1 k

 to 100 k

Capability range

200 k



Resistance tolerance

± 20 %

Linearity

± 2 %

Power rating

1.0 W at 85 °C

Electrical travel

240° ± 4°

Dielectric withstanding

Output smoothness

0.2 % maximum

MECHANICAL SPECIFICATIONS

PARAMETER

Bearing type

Sleeve

Mechanical rotation

250° ± 2°

Stop strength

10 in - lb minimum, 11.5 kg/cm

Starting torque

3.0 o.z - in maximum, 216 g/cm

Running torque

3.0 oz. - in maximum, 216 g/cm

ORDERING INFORMATION/DESCRIPTION

657

B

F

0

50 k



B10

MODEL

STYLE

SHAFT OPTIONS

SHAFT BUSHING OPTIONS

TOTAL

RESISTANCE

PACKAGING

AB

C

B: Bushing

R - Round

F - Flatted

Shaft length

0 - 0.875" FMS

1 - 0.625" FMS

2 - 1.000" FMS

3 - 1.250" FMS

Bushing length

0.375" FMS

0.250" FMS

0.500" FMS

0.750" FMS

Flat

0.440"

0.315"

0.440"

0.440"

Box of 10

pieces

SAP PART NUMBERING GUIDELINES

657B

R

1

103

BO10

MODEL

END SHAFT

SHAFT AND

BUSHING OPTIONS

OHMIC VALUE

PACKAGING

R: Round

(see above)