Slits, Gap Quick Reference

Gap

0.0mm

1.0mm

2.0mm

3.0mm

4.0mm

5.0mm

Slits

0

RPI-5100

RPI-151

0.15mm

RPI-124

0.2mm

RPI-0128
RPI-122
RPI-128
* RPI-##E

RPI-222
RPI-246

0.3mm

RPI-0125
RPI-125
RPI-130
RPI-1133

RPI-0226

0.4mm

RPI-121
RPI-131

RPI-221
RPI-243

RPI-352
RPI-303
RPI-0352E
RPI-352E

* RPI-2501

0.5mm

RPI-441C1
RPI-392
RPI-441C1E

RPI-579
RPI-579N1
RPI-579N1E

0.7mm

RPI-0129
RPI-129B

Part No.

Package

Output
type

Standard characteristics

RoHS

Gap width
（mm）

Slit width
（mm）

Screw
stop

Positioning

Remarks

RPI-0125

SMD

Phototransistor

1.2

0.30

-

Yes

RPI-0128

1.2

0.20

World's smallest class(Low profile 1.8mm)

Yes

RPI-0129

1.2

0.70

Horizontal slit type

Yes

RPI-0226

2.0

0.30

Yes

Wide gap type

Yes

RPI-122

THD

0.8

0.25

Ultra-Compact type

Yes

RPI-121

0.8

0.40

Ultra-Compact type

Yes

RPI-124

1.0

0.15

Ultra-Compact type

Yes

RPI-125

1.2

0.30

Ultra-Compact type

Yes

RPI-128

1.2

0.20

World's smallest class(Low profile 1.8mm)

Yes

RPI-129B

1.2

0.70

Horizontal slit type

Yes

RPI-130

1.2

0.30

Ultra-Compact type

Yes

RPI-131

1.2

0.40

Yes

Compact type

Yes

RPI-151

1.5

(2.20)

2-Phase output type

Yes

RPI-221

2.3

0.40

Compact type

Yes

RPI-222

2.0

0.20

Compact type

Yes

RPI-243

2.0

0.40

Yes

Compact type

Yes

RPI-246

2.0

0.20

Yes

Compact type

Yes

RPI-352

3.0

0.40

Yes

Compact type

Yes

RPI-303

3.0

0.40

High profile type

Yes

RPI-441C1

4.0

0.50

Yes

Compact type

Yes

RPI-392

4.0

0.50

-

Yes

RPI-579

5.0

0.50

Yes

-

Yes

RPI-579N1

5.0

0.50

Yes

Kinked forming

Yes

RPI-579N1E

5.0

0.50

Yes

Power Saving ,High efficiency

Yes

RPI-5100

�|

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Actuator type

Yes

RPI-1133

Photo IC

1.1

0.30

Yes

Compact type

Yes

* RPI-2501

Phototransistor

5.0

0.40

With Connector

Yes

RPI-0352E

SMD

3.0

0.40

Power Saving ,High efficiency

Yes

RPI-352E

THD

3.0

0.40

Power Saving ,High efficiency

Yes

RPI-441C1E

4.0

0.50

Power Saving ,High efficiency

Yes

* RPI-##E

SMD

1.0 to 4.0

0.2 to 0.5

Power Saving ,High efficiency

Yes