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 Gs vibration to 15 Gs at 10 to 2000 Hz 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 V at 60 Hz minimum RMS Output Smoothness 0.2 % maximum MECHANICAL SPECIFICATIONS PARAMETER Bearing Type Sleeve Mechanical Rotation 250 2 10 in - lb minimum Stop Strength 11.5 kg/cm 3.0 o.z - in maximum Starting Torque 216 g/cm 3.0 oz. - in maximum Running Torque 216 g/cm ORDERING INFORMATION/DESCRIPTION 657 B F 0 50 k BO10 TOTAL MODEL STYLE SHAFT OPTIONS SHAFT BUSHING OPTIONS PACKAGING RESISTANCE AB C B: Bushing R - Round Shaft Length Bushing Length Flat Box of 10 F - Flatted 0 - 0.875 FMS 0.375 FMS 0.440 pieces 1 - 0.625 FMS 0.250 FMS 0.315 2 - 1.000 FMS 0.500 FMS 0.440 3 - 1.250 FMS 0.750 FMS 0.440 SAP PART NUMBERING GUIDELINES 657B R 1 103 BO10 SHAFT AND MODEL END SHAFT OHMIC VALUE PACKAGING BUSHING OPTIONS R: Round (see above) Document Number: 57077 For technical questions, contact: sfer vishay.com www.vishay.com Revision: 18-Jun-07 23Model 657 Industrial Rotary Position Sensor Vishay Spectrol Bushing Mount Type, Conductive Plastic DIMENSIONS in inches (millimeters) + 0.000 - 0.051 0.375 0.002 x 0.030 MAX. WIDE PILOT (9.53 x 0.76 MAX. WIDE PILOT) 0.500 (12.70) 3 / - 32 UNEF - 2A 8 + 0.0000 0.625 0.031 A - 0.0003 (15.81) 0.2497 (6.34 - 0.01) 0.042 0.688 (17.46) 0.375 (9.53) 0.030 MAX. 0.093 (0.76) (2.36) 0.014 (0.36) 0.151 0.143 (3.84) (3.64) 0.031 (0.79) 0.035 x 0.075 0.428 (0.89 x 1.91) (10.87) MINIMUM WIRE OPENING 0.015 2 B CW 3 1 DECIMALS: XX 0.01 INCHES ( 0.25 mm) SCHEMATIC XX 0.005 INCHES ( 0.13 mm) ANGLES: 2 SHAFT FLAT AND PHASING DIAGRAM 0.216 (5.49) SPECTROL 657-X-X-XXX 0.015 XXXX MEX 5 C 90 3 2 1 WITH SHAFT FLAT POSITIONED AS SHOWN, OUTPUT RATIO TO BE e/E = 0.50 0.02 STANDARD RESISTANCE VALUES ENVIRONMENTAL SPECIFICATIONS RESISTANCE Rotational Life 2 million revolutions CODE ( ) Vibration 15 Gs at 10 to 2000 Hz Operating Temperature - 40 C to + 125 C 102 1K Storage Temperature - 55 C to + 150 C 202 2K Temperature Coefficient 600 ppm/C 5K 502 Shock 30 Gs 103 10K Resistant to Solder Heat 350 C for 5 s 203 20K Sealed construction Moisture Resistance 503 50K IP67* application to provide IP Rating 104 100K protection for wiring terminals MARKING MATERIAL SPECIFICATIONS Shaft Stainless steel Bushing Nickel plated brass Unit Vishay Spectrol, part number, data code, Housing Thermoplastic Identification country of origin and terminal designation Conductive plastic on Element alumina substrate www.vishay.com For technical questions, contact: sfer vishay.com Document Number: 57077 24 Revision: 18-Jun-07