ECS v ishay sfernice document number: 54008 revision 20-dec-01 www.vishay.com 20 for technical questions, contact sfer@vishay .com precision rotative transducers, conductive plastic, economic series (eco) features ? size 09 ? long life ? bush or servo mounting ? comolded terminals theoretical electrical angle (tea) (aea) - 3 independent linearity (over tea) a 1%, on request: b 0.5% c 0.35% a 2% actual electrical angle (aea) 340 5 ohmic values (rt) 1 - 2 - 5 - 10k ? , on request 10% 1 - 2 - 5 -10k ? ohmic value tolerances at 20c 20%, on request other values 20% output smoothness 0.1% maximum power rating at 70c 0.3w wiper current recommended: a few a - 1ma max. (continuous) t ap (current or voltage) 1: on request na resistance load on wiper 1000 x r t end voltage 0.5% insulation resistance 1000m ? , 500vdc dielectric strength 500vrms, 50hz size 09 model 78 rs 78 rb 78 ps 78 pb low cost industrial motion transducers, conductive plastic track. electrical specifications mechanical angle (ma) 360 continuous on request: stops 342 5 mounting type servo bushing servo bushing shaft guiding sleeve bearings shaft stainless steel option: flat or screw driver slot on shaft on request na t ermination turrets w iper precious metal multi-finger contact starting torque (n.cm) 0.5 t orque on stops (n.cm) 20 w eight (g) bushing 17g 3g servo 12g 3g life (10 6 cycles) 5 to 10 t emperature range ? 55c, + 125c climatic category 5 5/125/04 speed rotation (rpm) 150 sine vibration on 3 axes 15g from 10hz to 2000hz mechanical shocks on 3 axes 50g - 11ms - half sine mechanical specifications performance
8 x 1.6 ? 1.6 0.1** 7.92 0.13 ? 22.2 0.13 ? 9.52 0.1* ? 9.52 x 0.79 3/8 - 32 nef - 2a ? 6.35 + 0 - 0.036 ? 8 max. 22.2 0.8 9.3 0.25 8 0.4 2.5 max. 7 min. ECS vish ay sfernice document number: 54008 revision 20-dec-01 www.vishay.com 21 for technical questions, contact sfer@vishay .com precision rotative transducers, conductive plastic, economic series (eco) series eco model 78 type p p r linearity a a: 1% or 2% b: 0.5% c: 0.35% ohmic value 103 102: 1k ? 202: 2k ? 502: 5k ? 103: 10k ? special features w ... special feature code number fixation s s: servo b: bushing tap t on request t: voltage u: current position to be specified ordering information mechanical stops m on request m size 09 size 09 78 ps 78 rs 78 pb 78 rb standard 3 turrets size 09 ? 9.6 1 2 3 90 ? 8.6 90 3 2 1 4 ? 1.6 3.7 max. rear view dimensions in millimeters, general tolerance 0.5mm special (4 turrets) intermediate tap on request ? 22.2 0.13 ? 19.05 + 0 - 0.05 2.5 max. 12.4 0.4 12.7 0.8 ? 19.8 max. 1.6 + 0.1 - 0.1 1.6 1.5 min. dimensions in millimeters, general tolerance 0.5mm general tolerance 0.5mm **on request : without antirotation pin *on request ? 10.3mm or 12.3mm ? 3.175 + 0 - 0.013 + 0.1 - 0.1
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