WS-2A-0.25-2K7-16ZS-3-K

Sharma Potentiometers Features Carbon composition/Industrial/Sealed Locking-Bushing/Standard-Bushing Meet MIL-R-94 WS Series Hot-Molded Carbon Composition Potentiometer Electrical Characteristics Standard Resistance Range……….…... A: 100 to 4700K ohms ……………B/C: 1K to 1000K ohms Resistance Tolerance………….………….. 5%, 10%, 20% Absolute Minimum Resistance………………………..15 ohms (for total resistance values of 100 to 820 ohms inclusive) …………………………………………………………..1% (for total resistance values of 1K to 4700K ohms inclusive) Contact Resistance Variation……….……………………….5% Insulation Resistance (100 VDC)….1,000 megohms minimum Power Rating………………………………………………… 70 ……………………………………………A: 0.5 watt ……………………………………….B/C: 0.25 watt 125 …………………………………………………0 watt Environmental Characteristics Temperature Range……….…………………-55 to +125 Vibration…………………………………………………..15G Shock…………………………………………………….100G Load Life…………………………………………………… 1,000 hours, 70 ………………………………A: 0.5 watt ………………………….B/C: 0.25 watt Total Resistance Shift……………………………. 10% Rotational Life……………………………………………… WS-1/1A (Standard-Bushing Type)………….10,000 cycles Total Resistance Shift…………………………… 10% WS-2/2A(Locking-Bushing Type)………………500 cycles Total Resistance Shift…………………………… 10% Mechanical Characteristics Total Mechanical Angle………………………270º minimum Torque……………………………………………………… Starting Torque………………………………0.8 to 5 N•cm Lock Torque(Locking-Bushing Type)……………8 N•cm Weight…………………………………….Approximately 8G Standard Resistance Table (ohms) 100 120 150 180 220 270 330 390 470 560 680 820 1K 1K2 1K5 1K8 2K2 2K7 3K3 3K9 4K7 5K6 6K5 8K2 10K 12K 15K 18K 22K 27K 33K 39K 47K 56K 68K 82K 100K 120K 150K 180K 220K 270K 330K 390K 470K 560K 680K 820K 1M 1M2 1M5 1M8 2M2 2M7 3M3 3M9 4M7 How To Order Model Style Power Rating Standard Resistance WS – 2A – 0.5 – 4K7 – 16ZS–3 – M Popular values listed in boldface. Special resistance available. Length of Operating Shaft (from Mounting Surface) Slotted Shaft Resistance Tolerance M=20%; K=10% Tel: (949)642-SECI SECI Engineers & Buyers' Guide Fax: (949)642-7327