POHR36, POHR44, POTH44, POTH50, POTH76 www.vishay.com Vishay MCB Single-Turn Continuous Rotation Analog Displacement Sensors FEATURES • Conductive plastic potentiometer technology, infinite resolution • Servo mount anodized light alloy housing • Precious metal contacts • Stainless steel shaft and bearings • Applicable standards: NFC 93255, MIL R39023 QUICK REFERENCE DATA Sensor type ROTATIONAL, conductive plastic Output type Market appliance Dimensions Output by turrets Industrial, avionics Ø 36, Ø 44, Ø 50, Ø 76 ELECTRICAL SPECIFICATIONS PARAMETER POHR36 POHR44 POTH44 POTH50 POTH76 Theoretical electrical travel (TET) 350° ± 3° 350° ± 3° 350° ± 3° 350° ± 2° 350° ± 1° ± 0.5 % ± 0.5 % ± 0.25 % ± 0.1 % Standard linearity ( Optional linearity ( Total resistance range (E3) ± 0.5 % ± 0.25 %, ± 0.1 %, ± 0.25 %, ± 0.1 %, ± 0.05 % ± 0.05 % 4.7 k or 10 k 4.7 k or 10 k Tolerance on Rn ± 0.25 %, ± 0.1 %, ± 0.05 % 4.7 k or 10 k 4.7 k or 10 k 4.7 k or 10 k 3W 4W ± 10 %, ± 5 % optional 0.1 % Output smoothness Power rating at 70 °C ± 0.1 %, ± 0.05 %, ± 0.05 %, ± 0.02 % ± 0.03 % 2W 2.5 W Temperature coefficient 2.5 W -300 ± 300 ppm/°C 1 mA Wiper current 1000 Rn Recommended load impedance 10 G at 500 VDC Insulation resistance Dielectric strength 1000 VRMS, 50 Hz, 1 min MECHANICAL SPECIFICATIONS PARAMETER Size Running and starting torque (cN cm) Moment of inertia (g cm2) Weight (g) POHR36 POHR44 POTH44 POTH50 POTH76 15 18 18 20 30 first stage 20 20 20 25 35 additional stage 18 18 18 22 30 2.2 2.6 6 8 20 additional stage 0.6 0.6 5 6 17 first stage 50 80 100 100 230 additional stage 12 12 50 55 80 first stage Protection class IP50 PERFORMANCE PARAMETER Life 25M cycles Temperature range Rotation speed -55 °C to +125 °C 600 rpm Note • Nothing stated herein shall be construed as a guarantee of quality or durability. Revision: 20-Oct-15 Document Number: 32521 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 POHR36, POHR44, POTH44, POTH50, POTH76 www.vishay.com Vishay MCB SAP PART NUMBERING GUIDELINES MODEL SIZE (mm) GANG VALUE LINEARITY ANGLE PACKAGING POTH 44 50 76 472 = 4K7 103 = 10K b = box 36 44 B = 0.5 % C = 0.25 % D = 0.1 % E = 0.05 % (see “Electrical Specifcations”) 350 POHR 1 2 3 4 5 6 7 8 (max. number of stages: see “Dimensions”) DIMENSIONS in millimeters 20° Ø 6.35 - 00.013 Ø 12 Ø 36.7 max. 0 Ø 6.35 - 0.013 Ø 33.4 max. 0 Ø 33.324 - 0.013 0 Ø 36.5 - 0.1 R 22 .5 20° 9 min. ma x. POHR36 1.6 ± 0.1 1.5 1.9 +- 0.2 0.1 slot width 0.8 ± 0.2 depth 1 ± 0.4 1.6 ± 0.1 Approximate electrical zero 25 ± 0.5 Number of cups: L: POHR44 1 21 12.5 L ± 0.5 2 26 3 31 4 36 5 41 6 46 L ± 0.5 20° 10.7 7 51 8 56 20° . ax .5 Ø 44.7 max. Ø 44 1.6 ± 0.1 1.5 1.6 ± 0.1 Approximate electrical zero 1.9 +- 0.2 0.1 25 ± 0.5 Number of cups: L: Revision: 20-Oct-15 1 21 26 Ø 12 0 Ø 6.35 - 0.013 Ø 41.4 max. 0 Ø 39.674 - 0.013 Ø 44.45 - 00.2 R m 2 26 slot width 0.8 ± 0.2 depth 1 ± 0.4 3 31 4 36 5 41 6 46 7 51 8 56 Document Number: 32521 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 POHR36, POHR44, POTH44, POTH50, POTH76 www.vishay.com Vishay MCB DIMENSIONS in millimeters POTH44 25° 25° 7.6 min. . ax 32 Ø 44.45 max. Ø 41.4 max. 0 Ø 39.674 - 0.013 Ø 44.45 - 00.2 0 Ø 6.35 - 0.013 R m 1.6 ± 0.1 1.6 ± 0.1 25 ± 0.5 Number of cups: L: Slot width 0.8 ± 0.2 depth 1 ± 0.4 1.9 +- 0.2 0.1 L ± 0.5 Approximate electrical zero 1 2 3 4 26.5 42 57.5 73 . POTH50 0.5 - 00.3 ax 30’ m 24° ± .5 30’ 7.5 min. Ø 50.8 ± 0.1 Ø 47.62 - 00.025 Ø 47.62 max. Ø 50.9 max. 0 Ø 6.35 - 0.013 R 32 24° ± 1.52 ± 0.1 1.52 ± 0.1 1.52 ± 0.1 L ± 0.5 25 ± 0.5 Number of cups: 1 2 3 4 5 L: 25 40 55 70 85 Revision: 20-Oct-15 Document Number: 32521 3 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 POHR36, POHR44, POTH44, POTH50, POTH76 www.vishay.com Vishay MCB DIMENSIONS in millimeters POTH76 3.2 ± 0.1 1.8 ± 0.1 ax . 15° ± 30’ 15° ± 30’ 45 m 1.4 ± 0.1 Ø76.2 ± 0.05 Ø 52.4 ± 0.1 0 Ø 73.02 - 0.025 0 Ø 19.05 - 0.013 Ø 73.1 max. Ø 76.25 max. Ø 6.35 - 00.013 R 5.3 min. 0.5 max. 2.3 - 00.05 2.4 - 00.05 3 x M4 Ø holes at 120° on 44.45 Ø L ± 0.5 Number of cups: L: 25 ± 0.5 1 2 3 4 5 27.5 43 58.5 74 89.5 ELECTRICAL DIAGRAM POWER RATING CHART W A C 4 Yellow Green 3 POTH76 POTH50 2.5 POHR44, POTH44 POHR36 2 Red B Clockwise direction viewed from control shaft side (°C) 0 70 125 OPTIONS (on request) • • • • • • • Other ohmic values Other tolerances on Rn (see “Electrical Specifications” table) Other linearities (see “Electrical Specifications” table) Other theoretical electrical travel Connectors (center tap) Wire outputs (only on POHR44 and POTH44) Through shaft Revision: 20-Oct-15 Document Number: 32521 4 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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