SF Vishay Sfernice Precision Rotative Transducers, Conductive Plastic, Servo Mounting (ROT) FEATURES * Size 08 to 30 * Linearity 1% down to 0.015% * Excellent Repeatability * Long Life * Essentially Infinite Resolution * Up to 6 Electrical Functions with the same Shaft A complete range of servo mounting rotational transducers for applications requiring long life accuracy and speed. SIZE MODEL 08 34 SF 09 78 SF * On Request Custom Design to meet your Specifications * Following MIL-R-39023 and NFC 93-255 requirements 11 116 SF 13 156 SF 15 176 SF 18 134 SF 20 200 SF 30 300 SF ELECTRICAL SPECIFICATIONS Functions Theoretical electrical angle (TEA) Independent linearity (over TEA) on request Actual electrical angle (AEA) Ohmic values (RT) Ohmic value tolerances at 20C Output smoothness Maximum power rating at 70C Wiper current / load resistance Tap (current or voltage) on request with angular position to be specified Repeatability End voltage Insulation resistance Dielectric strength linear, on request specific law TEA = actual electrical angle (AEA) - 2 A 1% B 0.5% C 0.25% D 0.1% NA down to E 0.05% down to F 0.025% down to 0.015% 340 3 350 2 1k - 2k - 5k - 10k - on request other values 10%; on request 5% 0.025% on request 0.01% 0.25W 0.3W 0.4W 0.5W 0.75W 1W 1.2W 1.5W recommended: a few A - 1mA max. continuous / minimum 103 x RT { Position: 2 U = current T = voltage Position: 2 { Width: 4 0.01 % 0.4% for 470 RT 1000 / 0.2% for 1000 < RT 2200 / 0.1% RT > 2200 1000M, 500Vdc 750VRMS, 50Hz 1000VRMS, 50Hz MECHANICAL SPECIFICATIONS Mechanical rotation Mounting/shaft guiding Housing Termination Wiper Starting torque (N.cm) 1 each additional Moment of inertia (g. cm2) Weight (g) 1 each additional cup cup cup cup 0.3 11 2 52 0.4 16 2 62 360 continuous; stops on request servo/ball bearings diallylphtalate; on request anodized aluminum turrets; on request flexible leads, cables... precious metal multi-finger contact 0.2 0.25 0.15 0.6 0.8 2.2 2.8 3.5 20 2 29 2 49 2 67 3 79 3 72 10 2 16 2 18 3 21 3 10 120 10 62 10 PERFORMANCE Life (million of cycles) Temperature range Climatic category Maximum rotation speed (RPM) Sine vibration on 3 axes Mechanical shocks on 3 axes www.vishay.com 10 50 - 55C, + 125C 55 / 125 / 04 600 1.5mm or 20g from 10Hz to 2000Hz 50g - 11ms - half sine Document Number: 54004 Revision 13-Dec-01 SF Vishay Sfernice Precision Rotative Transducers, Conductive Plastic, Servo Mounting (ROT) DIMENSIONS in millimeters, general tolerance 0.5mm T 0.025 0.025 X H M E F X L 1 I ELECTRICAL CONNECTIONS oA oC L 2 3 oD 3 2 1 X J Clock wise Viewed from shaft side oG 1.6 B N K on clamp DIMENSIONS SIZE DESIGNATION MODEL A -0 - 0.013 B max. C max. 08 34 SF 09 78 SF 3.175 13 19.18 15.875 3.175 16.6 22.3 19.05 1.6 1.5 17.57 5.8 14 13.5 19.6 30 100 16 23 36 42 54.5 60.5 1.6 1.5 19.8 5.95 15.4 15.4 23.8 30 100 20.5 27 40 50 63 74 POTENTIOMETER REFERENCE 13 11 15 18 116 SF 156 SF 176 SF 134 SF 20 30 200 SF 300 SF o shaft stainless steel shaft length o body plastic molded o flange tolerance on flange shoulder width of groove diameter of groove turret location radius on turrets radius on screw clamp o on clamp angle between turrets total angle 1 cup 2 cups 3 cups 4 cups 5 cups 6 cups D E F min. o G max. H min. I max. J max. K max. L 2 M max. N max. 3.175 3.175 16.6 16.6 33.35 27.07 30.160 24.608 + 0 - 13m 1.6 1.6 1.5 1.5 30.9 24.8 6.3 6.3 20.5 17.3 18.9 17.3 33.6 27.7 20 25 100 100 20.5 20.5 25.5 23 39.5 36 47 42 54 60.5 68.5 60.5 6.345 16.6 36.4 33.337 6.345 16.6 44.5 39.674 1.6 2.2 33.3 7 23.1 23.1 37.4 20 80 23.5 26.13 39.5 49.5 62.5 73.5 1.6 1.8 41.4 10.15 26.5 26.5 44.5 25 80 23.5 26 39.5 49.5 62.5 73.5 6.345 6.345 16.6 16.6 76.3 50.9 47.625 73.025 + 0 - 25m 2.4 2.4 1.75 2.2 73.1 47.6 10.2 10.2 43.7 29.7 42.6 29.7 77.5 50.8 15 15 80 80 23 23.5 34.5 28.5 40.97 - - 50.72 - 64.5 - 74.5 ORDERING INFORMATION ROT 156 S F 1 C T 502 W... SERIES MODEL MOUNTING TYPE CONDUCTOR NUMBER OF CUPS LINEARITY TAP OHMIC VALUE MODIFICATION S: Servo F: Plastic 6 max. on request First 2 digits are Code T: voltage significant numbers A: 1% U: current 3rd digit indicates B: 0.5% number of zeros C: 0.25% position to be specified D: 0.1% E: 0.05% F: 0.025% Special feature code number Special characteristics designs on request Document Number: 54004 Revision 13-Dec-01 www.vishay.com 11