Incremental

Type

Absolute

Type

177

Detector

Push

Slide

Rotary

Encoders

Power

Dual-in-line

Package Type

TACT Switch

TM

Custom-

Products

5V DC

RR

Terminal B

Terminal A

Terminal C

Encoder

Test circuit

tt

ON

ON

OFF

Output waveform

Sliding direction

t: Masking time to avoid chattering

Measurement condition：Rotation speed 360

û/s

A signal

B signal

Detent stabillity point

（

When the switch is provided）

CW direction

OFF

ON

ON

OFF

List of Varieties

Incremental

Without

With

（0.5, 1.5）

11.7

14.2

12

4.5

Vertical

9

/18

15

/30

15

/30

181

187

11mm size

Single-shaft

2.0

19.2

10

Without

With

（1.5）

Without

With

（1.5）

18

/18

190

20mm size

EC20A/RK203

EC11G

EC11J

EC11K

Soldering

Dimensions

（mm）

Shaft types

Operating direction

Number of pulse/

Number of detent

Push switch

（Travel mm）

Optional

functions

W

D

H

Manual soldering

Type

Photo

Output

Changeover angle

Page

Series

Dip soldering

Reflow soldering

12.4

12.5

13.2

11.7

5

12/12

24/24

15/30

192

12mm size

Insulated shaft

EC12E

EC12D

Without

With

（0.5）

Metal shaft

Operating temperature range

Voltage proof

Maximum operating current

（Resistive load）

Output signal

Output wave

Sliding noise

Rotational torque

Detent torque

Push-pull strength

Cold

Dry heat

Damp heat

Insulation resistance

Circuit

・number of contacts

Travel

（mm）

Operating force

（N）

Rating

Contact esistance

Operating life

–30

℃ to ＋85℃

10mA

350

℃ max. 3s max.

100N

12

±5mN・m

300V AC for 1minute

–40

±3℃ for 240h

85

±3℃ for 240h

60

±2℃, 90 to 95% RH for 240h

Please see P.189

100M

Ω min. 250V DC

Output of A and B signals, proportionate to phase difference

–40

℃ to ＋85℃

–30

℃ to ＋80℃

7

mN・m

＋ 3

− 4

10

±7mN・m

260

±5℃, 5±1s

260

±5℃, 5±1s

1mA

5mA

50V AC for 1minute

10M

Ω min. 50V DC

40

±20mN・m

Single pole and single throw

（Push-on）

Single pole and single throw

（Push-on）

1.5

±0.5

0.5

±0.3

4

±2

5

±2

0.1A 5V DC

100m

Ω for initial period; 200mΩ after operating life

1,000,000

times

min.

500,000

times

min.

0.5

±0.3 1.5±0.5

6

＋ 2.5

− 2

4

±2

4

±2

0.5

±0.3

1.5

±0.5

5

±2

0.5A 16V DC

（1mA 16V DC min. ratings）

0.5A 16V DC

（1mA 16V DC min. ratings）

20,000times min.

1,000,000

times

min.

20,000times

min.

At R = 10k

Ω

Chattering : 3ms max.

Bounce : 2ms max.

At R = 5k

Ω

Chattering : 3ms max.

Bounce : 2ms max.

Standard detent Without detent

–10

℃ to ＋70℃

With push-on switch

–40

℃ to ＋85℃

10mA

100M

Ω min. 250V DC

300V AC for 1minute

or360VACfor1s.

80N

100N

3

±2mN・m

3

to 20mN・m

5

±3mN・m

10

±5mN・m

10mN

・m max.

25

±15mN・m

40

±15mN・m

260

℃±5℃, 3±1s

–40

±3℃ for 240h±10h

85

±3℃ for 240h±10h

60

±2℃, 90 to 95%RH for 240h±10h

0.5

±0.3

− 1.0

− 2

1mA 5V DC

100m

Ωforinitialperiod;200mΩafteroperatinglife

30,000times min.

100,000

times

min.

Please see P.191

Please see P.191

Encoders