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Feature

Hot-Molded / Industrial / Sealed / Switch

Locking-Bushing / Standard-Bushing

Meet MIL-R-94

Electrical Characteristics

Withstand Voltage…………………………

750Vdc

Switch insulation Voltage…………………

500V

Switch capacity……………………………

250V 1A

Operating Noise…………………………… ≤68mV

Environmental Characteristics

Load Life at 70℃…………………...,1W

240 hours,

……………………

R/R

≤±10%

△

Rotational Life………………………….. 10000cycles

Mechanical Characteristics

Total mechanical travel ……….……………

270°

Note: Above characteristics is exclusive for WS19-K1/K2, other characteristics is the same as WS19 series.

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

2

3

4

1A

1F

K1/K2

Standard

bushing

Lock

Bushing

Standard

bushing

&

d

ual resistive

elements.

Lock bushing

&

d

ual

resist

ive

Standard

bushing

with 6mm

diameter

(Others: 8mm)

Standard

bushing

&

waterproofing

Switch

style

(difference

dimension

for K1 & K2)

③

Power Rating

1W-----line

ar 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

Standard Resistance

----- standard resistance table is available in WS series datasheet

⑤

Length of Operating shaft (from mounting surface)

16/20/25/40/50/60mm are available.

Custom lengths upon request.

⑥

Shaft Style:

3-----Slotted shaft;

5-----Flatted shaft

; 1------Knurled

⑦

Taper

A-----Line

ar Taper;

B-----Log Taper;

C-----Anti-Log Taper;

⑧

Resistance Tolerance

K= 10%; M= 20%

WS19-K1

WS19-K2

WS19 - K1/K2

Carbon Composition Potentiometer

Sharma Potentiometers

Tel: (949)642-7324

SECI Engineers & Buyers' Guide

Fax: (949)642-7327

elements.