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ROHM Semiconductor Optical Switches

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Manufacturer = ROHM Semiconductor

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Sensing Method	Slot Width	Sensing Distance
Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; SMD RPI-0125 ROHM Semiconductor 1: $1.04 11,200In Stock 16,500Expected 2026/12/01 End of Life	Mfr. Part No. RPI-0125 Mouser Part No 755-RPI-0125 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; SMD	Datasheet	11,200In Stock 16,500Expected 2026/12/01	Cut Tape $1.04 $0.84 $0.692 Reel $0.691 $0.648 View $0.618 $0.571 $0.411	Min.: 1 Mult.: 1 : 750	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	1.2 mm
Optical Switches, Transmissive, Phototransistor Output UltraSmall 50mA 30V 950nm Phtinterrupter RPI-221 ROHM Semiconductor 1: $0.77 2,325In Stock End of Life	Mfr. Part No. RPI-221 Mouser Part No 755-RPI-221 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output UltraSmall 50mA 30V 950nm Phtinterrupter	Datasheet	2,325In Stock	$0.77 $0.647 $0.618 $0.559 View $0.516 $0.463 $0.445 $0.436	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOINTPTR ULTRAMIN HIGH RES 4.9x2.6mm RPI-222 ROHM Semiconductor 1: $0.82 584In Stock End of Life	Mfr. Part No. RPI-222 Mouser Part No 755-RPI-222 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTPTR ULTRAMIN HIGH RES 4.9x2.6mm	Datasheet	584In Stock	$0.82 $0.688 $0.657 $0.595 View $0.561 $0.53 $0.518 $0.483	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 2mm Gap 4.2x5.2mm RPI-243 ROHM Semiconductor 1: $0.911 837In Stock End of Life	Mfr. Part No. RPI-243 Mouser Part No 755-RPI-243 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 2mm Gap 4.2x5.2mm	Datasheet	837In Stock	$0.911 $0.771 $0.737 $0.685 View $0.636 $0.62 $0.59 $0.568 Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm
Optical Switches, Transmissive, Phototransistor Output Sensor, Photointerrupters, Transmissive, If (Max)=35 mA, Ic (Max)=30 mA, 30 V, Surface Mount RPI-0451E ROHM Semiconductor 1: $1.56 1,446In Stock End of Life	Mfr. Part No. RPI-0451E Mouser Part No 755-RPI-0451E End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output Sensor, Photointerrupters, Transmissive, If (Max)=35 mA, Ic (Max)=30 mA, 30 V, Surface Mount	Datasheet	1,446In Stock	Cut Tape $1.56 $1.34 $1.05 $0.902 Reel $0.854 View $0.812 $0.778 $0.742	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4.5 mm
Optical Switches, Transmissive, Phototransistor Output Photointerrupter gap width 4mm RPI-0352E ROHM Semiconductor 1: $0.72 3,387In Stock End of Life	Mfr. Part No. RPI-0352E Mouser Part No 755-RPI-0352E End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output Photointerrupter gap width 4mm	Datasheet	3,387In Stock	Cut Tape $0.72 $0.604 $0.576 $0.521 Reel $0.50 View $0.471 $0.452 $0.444 $0.443 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; HIGH RES RPI-125 ROHM Semiconductor 1: $0.87 1,732In Stock End of Life	Mfr. Part No. RPI-125 Mouser Part No 755-RPI-125 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; HIGH RES	Datasheet	1,732In Stock	$0.87 $0.736 $0.704 $0.638 View $0.62 $0.602 $0.544 $0.52	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	1.2 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 3mm Gap 4.2x5.4mm RPI-352 ROHM Semiconductor 1: $0.82 2,738In Stock 4,000Expected 2026/10/26 End of Life	Mfr. Part No. RPI-352 Mouser Part No 755-RPI-352 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 3mm Gap 4.2x5.4mm	Datasheet	2,738In Stock 4,000Expected 2026/10/26	$0.82 $0.694 $0.587 $0.54 View $0.535 $0.511 $0.486 $0.428	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3 mm
Optical Switches, Transmissive, Phototransistor Output Energysaving Photointerrupter RPI-441C1E ROHM Semiconductor 1: $0.70 3,263In Stock End of Life	Mfr. Part No. RPI-441C1E Mouser Part No 755-RPI-441C1E End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output Energysaving Photointerrupter	Datasheet	3,263In Stock	$0.70 $0.59 $0.563 $0.509 View $0.488 $0.483 $0.442 $0.427 $0.416	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4 mm
Optical Switches, Transmissive, Phototransistor Output Ultramin, SMD Type Photointerrupter RPI-0128 ROHM Semiconductor 1: $0.75 4,275Expected 2026/10/07 End of Life	Mfr. Part No. RPI-0128 Mouser Part No 755-RPI-0128 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output Ultramin, SMD Type Photointerrupter	Datasheet	4,275Expected 2026/10/07	Cut Tape $0.75 $0.632 $0.59 $0.511 Reel $0.406 View $0.485 $0.469 $0.435 $0.388	Min.: 1 Mult.: 1 : 7,500	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	1.2 mm
Optical Switches, Transmissive, Phototransistor Output 50mA 5V 80mW Photointerrupter RPI-0226 ROHM Semiconductor 1: $0.79 18,000On Order End of Life	Mfr. Part No. RPI-0226 Mouser Part No 755-RPI-0226 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output 50mA 5V 80mW Photointerrupter	Datasheet	18,000On Order On Order Ship Dates Mfr. No: RPI-0226 Stock: 0 On Order: 6,000 Expected 2026/10/12 12,000 Expected 2026/11/13 Factory Lead Time: 12 Weeks	Cut Tape $0.79 $0.662 $0.633 $0.572 Reel $0.508 View $0.537 $0.497 $0.461 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 4mm Gap 8.0x4.2mm RPI-441C1 ROHM Semiconductor 1: $0.711 1,000Expected 2026/10/26 End of Life	Mfr. Part No. RPI-441C1 Mouser Part No 755-RPI-441C1 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 4mm Gap 8.0x4.2mm	Datasheet	1,000Expected 2026/10/26	$0.711 $0.598 $0.57 $0.516 View $0.495 $0.478 $0.445 $0.427 $0.412	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4 mm
Optical Switches, Reflective, Phototransistor Output PHTOINTRUPTR RFLCTVE PHTOTRNSISTR 4PIN ROHM Semiconductor RPR-359F RPR-359F ROHM Semiconductor 1: $3.47 180Expected 2026/09/21	Mfr. Part No. RPR-359F Mouser Part No 755-RPR-359F	ROHM Semiconductor	Optical Switches, Reflective, Phototransistor Output PHTOINTRUPTR RFLCTVE PHTOTRNSISTR 4PIN Learn More about ROHM Semiconductor rohmopticalsensors	Datasheet	180Expected 2026/09/21	$3.47 $2.54 $1.87 $1.64	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.5 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOINTPTR ULTRAMIN Wide Gap 4.9x2.6mm RPI-221A ROHM Semiconductor 1: $1.17 Non-Stocked End of Life	Mfr. Part No. RPI-221A Mouser Part No 755-RPI-221A End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTPTR ULTRAMIN Wide Gap 4.9x2.6mm	Datasheet	Non-Stocked	$1.17 $0.822 $0.601 $0.501 View $0.471 $0.44 $0.42 $0.388 $0.363	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm

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