Model 657 Datasheet

Model 657
www.vishay.com
Vishay Spectrol
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
Output type
Market appliance
Dimensions
ROTATIONAL, conductive plastic
Output by turrets
Industrial
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
500 VRMS at 60 Hz minimum
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
MODEL
B
STYLE
B: Bushing
F
SHAFT OPTIONS
R - Round
F - Flatted
0
50 k
B10
SHAFT BUSHING OPTIONS
TOTAL
RESISTANCE
PACKAGING
A
B
C
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
MODEL
Revision: 27-Mar-15
R
1
103
BO10
END SHAFT
SHAFT AND
BUSHING OPTIONS
OHMIC VALUE
PACKAGING
R: Round
(see above)
Document Number: 57077
1
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Model 657
www.vishay.com
Vishay Spectrol
DIMENSIONS in inches (millimeters)
+ 0.000
- 0.051
MODEL: 657B/657-...
Ø 0.375 ± 0.002 x 0.030 MAX. WIDE PILOT
(9.53 x 0.76 MAX. WIDE PILOT)
0.500
(12.70)
3/
A
8
- 32 UNEF - 2A
0.625
(15.81)
+ 0.0000
- 0.0003
± 0.031
Ø 0.2497
(6.34 - 0.01)
0.042
0.688
(17.46)
0.375
(9.53)
0.030 MAX.
(0.76)
0.093
(2.36)
0.014
(0.36)
0.143
(3.64)
0.151
(3.84)
0.031
(0.79)
0.035 x 0.075
(0.89 x 1.91)
MINIMUM WIRE OPENING
0.428
(10.87)
2
± 0.015
B
CW
3
1
DECIMALS: XX ± 0.01 INCHES (± 0.25 mm)
XX ± 0.005 INCHES (± 0.13 mm) ANGLES: ± 2°
SCHEMATIC
SHAFT FLAT AND PHASING DIAGRAM
0.216
(5.49)
± 0.015
90°
C
SPECTROL
657-X-X-XXX
XXXX MEX
± 5°
321
WITH SHAFT FLAT POSITIONED AS SHOWN, OUTPUT RATIO
TO BE e/E = 0.50 ± 0.02
STANDARD RESISTANCE VALUES
CODE
102
202
502
103
203
503
104
RESISTANCE
()
1K
2K
5K
10K
20K
50K
100K
MATERIAL SPECIFICATIONS
Shaft
Bushing
Housing
Stainless steel
Nickel plated brass
Thermoplastic
Element
Conductive plastic on alumina
substrate
Revision: 27-Mar-15
ENVIRONMENTAL SPECIFICATIONS
Rotational life
Vibration
Operating temperature
Storage temperature
Temperature coefficient
Shock
Resistant to solder heat
Moisture resistance IP rating
2 million revolutions
15 g at 10 Hz to 2000 Hz
-40 °C to +125 °C
-55 °C to +150 °C
± 600 ppm/°C
30 g
350 °C for 5 s
Sealed construction
IP67* application to provide
protection for wiring terminals
Note
• Nothing stated herein shall be construed as a guarantee of
quality or durability.
MARKING
Unit 
identification
Vishay Spectrol, part number, data code, 
country of origin and terminal designation.
Example of a marking for a standard part:
657-2-0-102
Document Number: 57077
2
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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www.vishay.com
Vishay
Disclaimer
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Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
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Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
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requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
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Revision: 02-Oct-12
1
Document Number: 91000