ALPS SRGP Service Manual

Incremental
Type

Absolute
Type

203

Detector

Push

Slide

Rotary

Encoders

Power

Dual-in-line
Package Type

Multi Control
Devices

TACT Switch

TM

Custom­Products

For other specifications, see P.211

1V max. at 1mA 5V DC（Resistive load）

Additional switches not included in the above list are also available. Contact us for details.

Typical Specifications

Note

Hollow Shaft Type

SRGP

Series

10mA 5V DC/50BA 3V DC

50,000 cycles

Rating（max.）/（min.）（Resistive load）

Output voltage

Items Specifications

Operating life

Without load

With load

50,000 cycles

Products Line

Vertical

7±3

13±4

6.5±4

20

16

32

10

16

Resolution Products No.

SRGP200200 1

SRGPWJ0500

2

SRGPWJ0200

Drawing

No.

Minimum packing

unit（pcs.）

Operating

direction

Detent torque

（

mN･m

）

Number of

detent

100

Hollow Shaft Encoder allowing various combinations.

Small sized hollow type.

●

Features

Controls image / sound devices including car navigation systems, DVD
players car audio systems, mini component stereos, and LCD monitors
Level controls for communication devices, including telephones and FAX
machines
Controls forl general electronic devices, including air conditioners,
electronic toys, microwaves, rice coolers, car navigation system, LCD
monitors and remote controllers

●

●

●

Applications

Car Use

Encoder

RoHS
applicable

Incremental
Type

Absolute
Type

204

Detector

Push

Slide

Rotary

Encoders

Power

Dual-in-line
Package Type

Multi Control
Devices

TACT Switch

TM

Custom­Products

0.6

31.8

0.6

ø30

ø18.5

ø16.3

4

5

˚

3

3

17

ø23.9

5

1.5

20

15.4

4-1

3.5

9

4.5

3.5

1.2

3

A

R0.5

3

ø21.9

C0.5

C0.3

2.6

3.5

2-1.5

2-ø2.5

18

1

23.6

A

3.4

9

.4

9

3

0

˚

3

2

6

9.5

ø22

11.5 11.5

6

4

1

3

54.53.6

1.2

2

2

ø17

3

ø2

13

C0.3

q

w

C

Dimensions

Unit:mm

PC board mounting hole dimensions

（Viewed from the Direction A）

No.

Style

1

2-ø1.5 holes

2.05

13

ø2.1

3-ø1 holes

ø2.05

1

1

.8

6

17

2-30˚

（18ﾟ）

T

T4T3

T2

T1

（36ﾟ）

OFF

ON

T1,T3＝1/4T±1/8T

OFF

ON

Clockwise

Counter-clockwise

Detent position

T2,T4＝Phase difference shall not be reversed

Phase difference of code portion

2

1

2

1.6
2-ø2.55 holes

2.5

3-ø1 holes

18

5

23

31.8

q

w

C

The thickness of PC board is assumed to be t1.6.

Note

（SRGPWJ0500）

T2,T4=Phase difference shall not be reversed T2,T4=Phase difference shall not be reversed

Phase difference of code portion

（SRGPWJ0200）

Detent position

Detent position

（22.5ﾟ）

T1 T2 T3 T4

T

ON
OFF

T1,T3=1 / 4T±1 / 8T

ON
OFF

T1

T2 T3 T4

T

ON
OFF

T1,T3=1 / 4T±1 / 8T

ON
OFF

（22.5ﾟ）

（11.25ﾟ）

2

1

2

1

Clockwise

Counter-clockwise

Clockwise

Counter-clockwise

Hollow Shaft Type SRGP Series

Encoder