precision rotative transducers, conductive plastic, bushing mounting series rot/bf vishay sfernice www.vishay.com for technical questions, contact: sfer@vishay.com document number: 54005 44 revision: 22-mar-07 a complete range of bushing mounting rotational motion transducers. features ? size 08 to 30 ? linearity 1 % down to 0.05 % ? good repeatability ? long life ? essentially infinite resolution ? up to 6 electrical functions with the same shaft ? on request custom design to meet your specifications ? following mil-r-39023 and nfc 93-255 requirements rohs compliant size 08 09 11 13 15 18 20 30 model 34 bf 78 bf 116 bf 156 bf 176 bf 134 bf 200 bf 300 bf electrical specifications functions linear, on request specific law theoretical electrical angle (tea ) actual electrical angle (aea) - 2 independent linearity (over tea) best linearity available a 1 % or b 0.5 % or c 0.25 % c 0.25 % down to d 0.1 % down to e 0.05 % actual electrical angle (aea) 340 3 350 2 ohmic values (r t )1 k - 2 k - 5 k - 10 k - on request other values ohmic value tolerances at 20 c 10 % output smoothness 0.05 % 0.025 % maximum power rating at 70 c 0.25 w 0.3 w 0.4 w 0.5 w 0.75 w 1.0 w 1.2 w 1.5 w wiper current recommended: a few a - 1 ma max. (continuous) tap (current or voltage) on request with angular position to be specified u = current { position: 2 / t = voltage position: 2 { width: 4 load resistance on wiper (r l )min. 10 3 x r t repeatability 0.02 % end voltage 0.4 % for 470 r t 1000 / 0.2 % for 1000 < r t 2200 / 0.1 % for r t > 2200 insulation resistance 1000 m , 500 v dc dielectric strength 750 v rms , 50 hz 1000 v rms , 50 hz mechanical specifications mechanical rotation 360 continuous; stops on request mounting type bushing shaft guiding sleeve bearings; on request ball bearings shaft stainless steel housing plastic moulding; on request anodized aluminum termination turrets; on request flexible leads, cables... wiper precious metal multi-finger contact starting torque (n.cm) 0.5 1 cup; 0.3 for each additional cup moment of inertia (g. cm 2 ) 0.3 0.4 0.6 0.8 2.2 2.8 3.5 10 weight (g) 1 cup 11 2 20 2 21 2 30 2 33 2 45 3 54 3 120 10 each additional cup 5 2 6 2 7 2 14 2 16 2 18 3 21 3 62 10 performance life (million of cycles) 20 temperature range - 55 c to + 125 c climatic category 55/125/04 rotation speed (rpm) 150
series rot/bf precision rotative transducers, conductive plastic, bushing mounting vishay sfernice document number: 54005 for technica l questions, contact: sfer@vishay.com www.vishay.com revision: 22-mar-07 45 special characteristi cs and designs on request dimensions in millimeters, general tolerance 0.5 mm dimensions designation size potentiometer reference 08 09 11 13 15 18 20 30 model 34 bf 78 bf 116 bf 156 bf 176 bf 134 bf 200 bf 300 bf a- 0 - 0.013 ? shaft 3.175 3.175 3.175 3.175 6.345 6.345 6.345 6.345 c max. ? body 19.18 22.3 27.07 33.35 36.6 44.5 50.9 76.4 h min. turret location 4.2 4.7 5.35 5.35 8 8 7.45 5.55 i max. radius on turrets 14 15.4 17.3 20.8 23.1 26.6 29.7 43.7 j max. radius on screw clamp 13.5 15.4 17.3 18.9 23.1 26.5 29.3 42.6 k ? on clamp 19.6 23.8 27.7 33.6 37.4 44.5 50.8 77.5 o locating pin (on request) 7.2 8 8.8 9 14.4 16.8 13.48 - p max. ? pin (on request) 1.6 1.6 3.25 3.25 3.25 3.25 - - l 2 angle between turrets 30 30 25 20 20 25 15 15 m max. total angle 100 100 100 100 80 80 80 80 n max. 1 cup 14.519191921212120.5 2 cups 21.5 25 21.5 24 24.5 24.5 26 23.5 3 cups 34.5 38 34.5 38 37.5 37.5 38 - 4 cups 40.5 48 40.5 45.5 48 48 48 - 5 cups 53 61 53 59 60.5 61 62 - 6 cups 59 72 59 67 72 72 72 - ordering information/description rot 156 b f 1 c t 502 e1 series size mounting type conductor number of cups linearity tap ohmic value lead finish b: bushing f: plastic film from 1 up to 6 a: 1 % b: 0.5 % c: 0.25 % d: 0.1 % e: 0.05 % on request t: voltage u: current position to be specified first 2 digits are significant numbers 3rd digit indicates number of zeros sap part numbering guidelines ro 116bf 1 d 103 model gang number linearity ohmic value from 1 up to 6 10 k note: on re qu est n 1.6 9.9 max. 20 max. * ? c 0.4 x 45 ? a h ? 9.52 x 0.79 3/ 8 - 32 nef2a thd delivered with nut + washer 0.5 x 45 j o ? k on clamp ? p i m l l ? 10.3 - 0 - 0.02 3 2 1 clock wise viewed from shaft side electrical connections
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