282

Heavy torque and comfortable operation feel for

encoder and potentiometer applications

20mm Size Metal Shaft Type

EC20A

RK203

Product Line

Vertical

Flat

Encoders

30

40±20

With

1.5

18

18

EC20A1824401

Without

ー

EC20A1820401

400

800

Product No.

1

2

Drawing

No.

Minimum order unit（pcs.）

Japan

Export

Number of

detent

Number

of pulse

Shaft

configuration

Length of the

shaft（mm）

Push-on

switch

Travel of push-on

switch（mm）

Operating

direction

Detent torque

（mN・m）

Flat

Potentiometer

30

40±20

17

220° Vertical Single-

unit

10

1B

RK203111000V

800

800

Product No.

3

Drawing

No.

Minimum order unit（pcs.）

Japan

Export

Number

of detent

Rotational

angle

Mounting

direction

Numberof

resistorelements

Totalresistance

（kΩ）

Resistance

taper

Shaft

configuration

Length of the

shaft（mm）

Detent torque

（mN・m）

Items

Specifications

Encoder

Potentiometer

Rating

1mA 5V DC

0.05W

Operating life

30,000 cycles

Operating temperature range

−30℃ to +80℃

−40℃ to ＋85℃

Dimensions

Photo

No.

Style

PC board mounting hole dimensions

（Viewed from mounting side）

Unit:mm

EC20A

with push-on switch

（travel 1.5mm）

Encoder type

1

10

1.5

10

12

30

Switch travel

C1

3.5

Mounting

surface

3.5

1.5

ø20.2

15.5

ø3

3–1

M9G0.75

D

E

NCNCNC

B

A C

D E

(SW02)

(SW01)

(17.8)

2-0.9

Number of packages（pcs.）

Export package measurements

（mm）

1 case /Japan

1 case /export packing

400

800

374×508×272

Packing Specifications

Tray

Refer to P.284 for attached parts.

Refer to P.284 for switches.

Refer to P.307 for soldering conditions.

1. Only the encoder type can be supplied with a push-on switch.

2. Shaft design and other features are customizable.

Notes