WS20.25W1K2123BM datasheet, PDF

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WS20.25W1K2123BM: DescriptionSharma Potentiometers; File Size373KB，1 Pages; ManufacturerSharma; Websitehttp://www.sharmacomponents.com/

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WS20.25W1K2123BM Overview

Sharma Potentiometers

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Sharma Potentiometers

WS Carbon Composition Potentiometer

Features

■

Hot-Molded / Industrial / Sealed

■

Locking-Bushing / Standard-Bushing

■

Meet MIL-R-94

Electrical Characteristics

Standard Resistance Range………..

A: 100 to 4M7 ohms

…………… B/C: 1K to 1M 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 M ohms minimum

Power Rating:

at 70℃

……………………………………

A: 0.5 watt

………………………………………. B/C: 0.25 watt

at 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 8 gram

How To Order

WS— 1 —0.5 —4K7— 16— 3 — A—

①

②

③

④

⑤

⑥

⑦

⑧

②

Model

Bushing Style:

1-- Standard bushing; 2--Lock Bushing

Power Rating

0.5W--linear taper; 0.25W--log taper & anti-log taper

Standard Resistance: see standard resistance table

Length of Operating shaft (from mounting surface)

Shaft Style:

3--Slotted shaft;

5--Flatted shaft

③

④

⑤

⑥

⑦

⑧

Standard Resistance Table (ohms)

100

120

150

180

220

270

330

390

470

560

680

820

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

1M2

1M5

1M8

2M2

2M7

3M3

3M9

4M7

Special resistance available.

Taper:

Blank--Linear;

B—Log; C--Anti-Log

Resistance Tolerance

J = 5%, K = 10%, M = 20%

Tel: (949)642-7324

SECI Engineers & Buyers' Guide

Fax: (949)642-7327

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