BF Vishay Sfernice Precision Rotative Transducers, Conductive Plastic, Bushing Mounting (ROT) 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 A complete range of bushing mount rotational motion transducers. SIZE MODEL 08 09 34 BF 78 BF * Following MIL-R-39023 and NFC 93-255 requirements 11 116 BF 13 15 18 20 30 156 BF 176 BF 134 BF 200 BF 300 BF ELECTRICAL SPECIFICATIONS Functions Theoretical electrical angle (TEA) Independent linearity (over TEA) on request mounting type: ball bearings Actual electrical angle (AEA) Ohmic values (RT) Ohmic value tolerances at 20C Output smoothness Maximum power rating at 70C Wiper current Tap (current or voltage) on request with angular position to be specified Load resistance on wiper (RL) Repeatability End voltage Insulation resistance Dielectric strength linear, on request specific law actual electrical angle (AEA) - 2 A 1% B 0.5% C 0.25% NA down to D 0.1% down to E 0.05% 340 3 350 2 1k - 2k - 5k - 10k - on request other values 10% 0.05% 0.025% 0.25W 0.3W 0.4W 0.5W 0.75W 1W 1.2W 1.5W recommended: a few A - 1mA max. (continuous) { Position : 2 U = current / T = voltage Position : 2 { Width : 4 3 min. 10 x RT 0.02 % 0.4% for 470 RT 1000 / 0.2% for 1000 < RT 2200 / 0.1% for RT > 2200 1000M, 500Vdc 750VRMS, 50Hz 1000VRMS, 50Hz MECHANICAL SPECIFICATIONS Mechanical rotation Mounting type Shaft guiding Shaft Housing Termination Wiper Starting torque (N.cm) Moment of inertia (g. cm2) Weight (g) 1 cup each additional cup 0.3 11 2 52 360 continuous; stops on request bushing sleeve bearings; on request ball bearings stainless steel plastic moulding; on request anodized aluminum turrets; on request flexible leads, cables... precious metal multi-finger contact 0.5 1 cup; 0.3 for each additional cup 0.4 0.6 0.8 2.2 2.8 3.5 20 2 21 2 30 2 33 2 45 3 54 3 62 72 14 2 16 2 18 3 21 3 10 120 10 62 10 PERFORMANCE Life (million of cycles) Temperature range Climatic category Rotation speed (RPM) www.vishay.com 12 20 - 55C, + 125C 55 / 125 / 04 150 Document Number: 54005 Revision 19-Dec-01 BF Vishay Sfernice Precision Rotative Transducers, Conductive Plastic, Bushing Mounting (ROT) DIMENSIONS in millimeters, general tolerance 0.5mm o 9.52 x 0.79 3/8 - 32 NEF2A THD H M oA L L I ELECTRICAL CONNECTIONS 0.4 x 45 oC 2 3 1 0.5 x 45 -0 o 10.3 - 0.02 * 9.9 max. Clockwise 1.6 Viewed from shaft side oP N 20 max. *on request Delivered with nut + washer DIMENSIONS oK on clamp SIZE DESIGNATION MODEL A -0 - 0.013 C max. H min. I max. J max. K O P max. L 2 M max. N max. O J 08 34 BF o shaft 09 78 BF 3.175 o body turret location radius on turrets radius on screw clamp o on clamp locating pin (on request) o pin (on request) angle between turrets total angle 1 cup 2 cups 3 cups 4 cups 5 cups 6 cups 19.18 4.2 14 13.5 19.6 7.2 1.6 30 100 14.5 21.5 34.5 40.5 53 59 POTENTIOMETER REFERENCE 13 11 15 18 156 BF 116 BF 176 BF 134 BF 20 200 BF 30 300 BF 3.175 3.175 3.175 6.345 6.345 6.345 6.345 22.3 4.7 15.4 15.4 23.8 8 1.6 30 100 19 25 38 48 61 72 27.07 5.35 17.3 17.3 27.7 8.8 3.25 25 100 19 21.5 34.5 40.5 53 59 33.35 5.35 20.8 18.9 33.6 9 3.25 20 100 19 24 38 45.5 59 67 36.6 8 23.1 23.1 37.4 14.4 3.25 20 80 21 24.5 37.5 48 60.5 72 44.5 8 26.6 26.5 44.5 16.8 3.25 25 80 21 24.5 37.5 48 61 72 50.9 7.45 29.7 29.3 50.8 13.48 15 80 21 26 38 48 62 72 76.4 5.55 43.7 42.6 77.5 15 80 20.5 23.5 - ORDERING INFORMATION ROT SERIES C 156 B F 1 MODEL MOUNTING TYPE B: Bushing CONDUCTOR NUMBER OF CUPS LINEARITY F: Plastic 6 max. A: 1% B: 0.5% C: 0.25% D: 0.1% E: 0.05% T 502 W... TAP OHMIC VALUE MODIFICATION First 2 digits are on request T: voltage significant numbers 3rd digit indicates U: current number of zeros position to be specified Special feature code number Special characteristics and designs on request. Document Number: 54005 Revision 19-Dec-01 www.vishay.com 13