176

Metal

Shaft

Insulated

Shaft

Hollow

Shaft

Ring

Type

Detector

Slide

Push

Rotary

Encoders

Power

Dual-in-line

Package Type

TACT SwitchTM

17.5

3

5

0.5

14.1

12.5

A

C

D

B

E

3.5

ø6.8

Mounting surface

5 (6)

Switch travel

Shaft Dimensions

Flat Type

Unit:mm

EC12E

EC12D

With bushing type

LM1

R1

20

25

30

35

A

—

—

5

5

7

12

12

12

LM1

R1

17.5

20

22.5

25

5

7

7

12

12

30

Detailed dimensions

Excluding the 12 detent type

※

Not available for types without detents

※

※

Detailed dimensions

LM1

R1

Mounting surface

Locating lug detail

No thread area

1

3.5

LM1

7

5.5

3.5

M9x0.75

Mounting surface

R1

A

14

12.4

(8.2)

2.5

X

X

Y

Y

Dimensions

Unit:mm

No.

4

5

Photo

Style

PC board mounting hole dimensions

（Viewed from mounting side）

Locating lug detail

No thread area

1

3.5

LM1

7

5.5

3.5

M9x0.75

Mounting surface

R1

A

14

12.4

(8.2)

2.5

X

X

Y

Y

13.2

2

3-ø1

2

5

C

A

B

holes

With bushing

With push-on switch

type

13.3

11.1

2.05

2.05

5.95

A

CD

B

E

5-ø1.05 holes

A

-

-

LM1

20

25

R1

7

12

5

30

12

Output wave

A signal

B signal

OFF

ON

ON

OFF

CW direction

Detent stabillity position

（When the switch is provided）

Sliding noise

5V DC

RR

Terminal B

Terminal A

Terminal C

Encoder

Test circuit

tt

V1

V2

ON

ON

OFF

Output waveform

Sliding direction

t : Masking time to avoid chattering

Measurement condition：Rotation speed 360

˚/s

EC12E

EC12D

V1 ＝ V2 ＝ 1.5V max.

At R = 10k Ω

Chattering : 3ms max.

Bounce : 2ms max.

V1 ＝ V2 ＝ 2.5V max.

At R = 5k Ω

Chattering : 3ms max.

Bounce : 2ms max.

12mm Size Insulated Shaft Type　Product Varieties

EC12

12mm Size Insulated Shaft Type

A signal

B signal

ON

OFF

OFF

ON

CW direction

Detent stabillity position

※Detent position cannot be specified for B signal.