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| 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 k to 100 k 200 k 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 k 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 www.vishay.com 23 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) O 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 O 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 () 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 www.vishay.com 1 |
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