WS19 Datasheet, PDF (1/2 Pages) Sharma Electro Components,Inc – Carbon Composition Potentiometer

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
Resistance tolerance ………………… ±10%;±20%
Absolute Minimum Resistance…………… 15ohms
(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) …… 1000Mohm (min)
Power Rating
70℃.…………………………………………... A: 1Watt
…………… B/C: 0.5Watt
125℃.………………………………………….… .0Watt
Limit voltage………………………………… .… A:350V
………… B、C: 250V
Withstand Voltage………………….……… 1300Vdc
Environmental Characteristics
Temperature Range……………… - 55℃ to +125℃
Vibration-……………………………………….… 15G
Shock…………………………………….…….… 100G
Load Life at 70℃…………………….…… 1000 hours
……… △R/R≤±10%
Rotational Life
Standard---Bushing Type…………………. 25000cycles
Locking ----Bushing Type…………………… 500cycles
Mechanical Characteristics
Total mechanical travel ……………………… ≥290°
Starting torque …………………………. 4～25mN·m
WS19-1
WS19-2
WS19-3
WS19-4
WS19-1A
WS19-1F
Continued on the following page
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