Model 657
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’s vibration to 15 G’s at 10 to 2000 Hz
ELECTRICAL SPECIFICATIONS
PARAMETER Standard Resistance Capability Range Resistance Tolerance Linearity Power Rating Electrical Travel Dielectric Withstanding Output Smoothness 1 kΩ to 100 kΩ 200 kΩ ± 20 % ±2% 1.0 W at 85 °C 240° ± 4° 500 VRMS at 60 Hz minimum 0.2 % maximum
MECHANICAL SPECIFICATIONS
PARAMETER Bearing Type Mechanical Rotation Stop Strength Starting Torque Running Torque Sleeve 250° ± 2° 10 in - lb minimum 11.5 kg/cm 3.0 o.z - in maximum 216 g/cm 3.0 oz. - in maximum 216 g/cm
ORDERING INFORMATION/DESCRIPTION
657 MODEL B STYLE B: Bushing F SHAFT OPTIONS A R - Round F - Flatted Shaft Length 0 - 0.875" FMS 1 - 0.625" FMS 2 - 1.000" FMS 3 - 1.250" FMS 0 SHAFT BUSHING OPTIONS B Bushing Length 0.375" FMS 0.250" FMS 0.500" FMS 0.750" FMS C Flat 0.440” 0.315” 0.440” 0.440” Box of 10 pieces 50 kΩ TOTAL RESISTANCE BO10 PACKAGING
SAP PART NUMBERING GUIDELINES
657B MODEL R END SHAFT R: Round 1 SHAFT AND BUSHING OPTIONS (see above) 103 OHMIC VALUE BO10 PACKAGING
Document Number: 57077 Revision: 18-Jun-07
For technical questions, contact: sfer@vishay.com
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Model 657
Vishay Spectrol
Industrial Rotary Position Sensor Bushing Mount Type, Conductive Plastic
DIMENSIONS in inches (millimeters)
+ 0.000 - 0.051
0.500 (12.70)
Ø 0.375 ± 0.002 x 0.030 MAX. WIDE PILOT (9.53 x 0.76 MAX. WIDE PILOT)
3/ 8
- 32 UNEF - 2A
A
± 0.031
Ø 0.2497 (6.34 - 0.01)
+ 0.0000 - 0.0003
0.625 (15.81) 0.042 0.688 (17.46) 0.375 (9.53)
0.030 MAX. (0.76) 0.014 (0.36) 0.031 (0.79) 0.428 (10.87)
± 0.015
0.093 (2.36) 0.151 (3.84) 0.143 (3.64) 0.035 x 0.075 (0.89 x 1.91) MINIMUM WIRE OPENING
2 1
B
CW
3
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
C
90°
± 5°
SPECTROL 657-X-X-XXX XXXX MEX 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 (Ω) 1K 2K 5K 10K 20K 50K 100K
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’s at 10 to 2000 Hz - 40 °C to + 125 °C - 55 °C to + 150 °C ± 600 ppm/°C 30 G’s 350 °C for 5 s Sealed construction IP67* application to provide protection for wiring terminals
MATERIAL SPECIFICATIONS
Shaft Bushing Housing Element Stainless steel Nickel plated brass Thermoplastic Conductive plastic on alumina substrate
MARKING
Unit Identification Vishay Spectrol, part number, data code, country of origin and terminal designation
www.vishay.com 24
For technical questions, contact: sfer@vishay.com
Document Number: 57077 Revision: 18-Jun-07
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000 Revision: 18-Jul-08
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