383

383

List of Varieties

Ring Type Potentiometers

Type

39mm size

45mm size

Series

RK39A

RK45B

RK45C

Single-unit

Single-unit

Single-unit

Photo

Features

LED illuminate

Dimensions

（mm）

W

39

45

D

39.5

45.5

H

8.5

9.5

Operating temperature range

−40℃ to ＋85℃

Operating life

30,000 cycles

Automotive use

●

●

●

Life cycle

Electrical

performance

Total

resistance（k Ω）

5

Resistance

taper

B

Rated power

0.05W

Insulation resistance

10MΩ min. 50V DC

Voltage proof

50V AC for 1minute

Mechanical

performance

Detent torque

40±16mN･m

50±20mN･m

55±20mN･m

40±16mN･m

40±16mN･m

Number

of positions

6, 17

8, 17

17

Stopper strength

1N･m

Push-pull strength

100N（Push）,50N（Pull）

Vibration

10 to 55 to 10Hz/min., the amplitude is 1.5mm for all the frequencies,

in the 3 direction of X, Y and Z for 2 hours respectively

Terminal type

Insertion

Page

384

385

Ring Type Potentiometers Soldering Conditions ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 386

Potentiometers Cautions ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 427

Potentiometers Measurement and Test Methods ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 429

Potentiometers Resistance Taper ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 431

Notes

1. The operating temperature range for automotive applications can be raised upon request.

Please contact us for details.