WS1911W4K7253BM

Sharma Potentiometers WS19 Carbon Composition Potentiometer Feature Hot Molded / Industrial / Sealed Locking-Bushing/ Standard-Bushing Meet MIL-R-94 Electrical Characteristics Standard Resistance Range ………… A: 100ohm～4M7ohm B/C: 1KΩ～470KΩ ±10%;±20% 15ohms WS19-1 ……………. Resistance tolerance ………………… Absolute Minimum Resistance…………… (for total resistance value of 100 to 820 ohms inclusive) ………………… ≤15% (for total resistance value of 1K to 4700K ohms inclusive) …………………….. 5% Contact Resistance Variation ……..………………≤5% Insulation resistance (100VDC) …… Power Rating 70℃.…………………………………………... …………… 125℃.………………………………………….… Limit voltage………………………………… .… ………… B、C: A: 1Watt 1000Mohm (min) WS19-2 B/C: 0.5Watt .0Watt A:350V 250V WS19-3 Withstand Voltage………………….……… 1300Vdc Environmental Characteristics Temperature Range……………… - 55℃ to +125℃ 15G 100G WS19-4 Vibration-……………………………………….… Shock…………………………………….…….… Load Life at 70℃…………………….…… ……… Rotational Life Standard---Bushing Type…………………. Locking ----Bushing Type…………………… 25000cycles 500cycles WS19-1A 1000 hours △R/R≤±10% Mechanical Characteristics Total mechanical travel Starting torque ……………………… ≥290° 4～25mN·m WS19-1F …………………………. Continued on the following page Tel: (949)642-7324 SECI Engineers & Buyers' Guide Fax: (949)642-7327 Sharma Potentiometers WS19 - K1/K2 Carbon Composition Potentiometer Feature Hot-Molded / Industrial / Sealed / Switch Locking-Bushing / Standard-Bushing Meet MIL-R-94 Electrical Characteristics Withstand Voltage………………………… Switch insulation Voltage………………… Switch capacity…………………………… 750Vdc 500V 250V 1A WS19-K1 240 hours, △R/R≤±10% Operating Noise…………………………… ≤68mV Environmental Characteristics Load Life at 70℃…………………...,1W …………………… Rotational Life………………………….. 10000cycles Mechanical Characteristics Total mechanical travel ……….…………… 270° WS19-K2 Note: Above characteristics is exclusive for WS19-K1/K2, other characteristics is the same as WS19 series. How to Order WS19— 1 —1W—4K7— 16— 3 — A— K ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ① Model-----WS19 Carbon composition Potentiometer ② Bushing Style 1 Standard bushing 2 Lock Bushing 3 Standard bushing elements. & dual resistive 4 Lock bushing & dual resistive 1A Standard bushing with 6mm diameter (Others: 8mm) 1F Standard bushing & K1/K2 Switch style (difference dimension for K1 & K2) waterproofing elements. ③ Power Rating 1W-----linear taper; 0.5W-----log taper & anti-log taper Power rating of resistor body far away from bushing will be cut half for WS19-3/4. ④ ⑤ ⑥ ⑦ ⑧ Standard Resistance ----- standard resistance table is available in WS series datasheet 16/20/25/40/50/60mm are available. Custom lengths upon request. 5-----Flatted shaft; 1------Knurled C-----Anti-Log Taper; Length of Operating shaft (from mounting surface) Shaft Style: Taper A-----Linear Taper; B-----Log Taper; Resistance Tolerance 3-----Slotted shaft; K= 10%; M= 20% Tel: (949)642-7324 SECI Engineers & Buyers' Guide Fax: (949)642-7327