Optical Switches – Mouser Japan

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Optoelectronics

ROHM Semiconductor Optoelectronics offer a broad portfolio of display drivers, laser diodes, LEDs, LED displays, and optical sensors designed for use in a wide range of applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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: ¥172.7 11,200In Stock 16,500Expected 12/28/2026 End of Life	Mfr. Part # RPI-0125 Mouser Part # 755-RPI-0125 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; SMD	Datasheet	11,200In Stock 16,500Expected 12/28/2026	Cut Tape ¥172.7 ¥139.4 ¥114.9 Reel ¥114.8 ¥107.6 View ¥102.6 ¥94.8 ¥68.1	Min.: 1 Mult.: 1 : 750	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	1.2 mm
Optical Switches, Transmissive, Phototransistor Output Ultramin, SMD Type Photointerrupter RPI-0128 ROHM Semiconductor 1: ¥124.6 4,275In Stock 15,000Expected 12/16/2026 End of Life	Mfr. Part # RPI-0128 Mouser Part # 755-RPI-0128 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output Ultramin, SMD Type Photointerrupter	Datasheet	4,275In Stock 15,000Expected 12/16/2026	Cut Tape ¥124.6 ¥104.8 ¥98 ¥84.7 Reel ¥67.4 View ¥80.6 ¥77.9 ¥72.3 ¥64.4	Min.: 1 Mult.: 1 : 7,500	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: ¥127.9 2,325In Stock End of Life	Mfr. Part # RPI-221 Mouser Part # 755-RPI-221 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output UltraSmall 50mA 30V 950nm Phtinterrupter	Datasheet	2,325In Stock	¥127.9 ¥107.5 ¥102.6 ¥92.8 View ¥85.7 ¥76.9 ¥73.9 ¥72.4	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: ¥136.2 584In Stock End of Life	Mfr. Part # RPI-222 Mouser Part # 755-RPI-222 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTPTR ULTRAMIN HIGH RES 4.9x2.6mm	Datasheet	584In Stock	¥136.2 ¥114.3 ¥109.1 ¥98.8 View ¥93.2 ¥88 ¥86 ¥80.1	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: ¥151.2 837In Stock End of Life	Mfr. Part # RPI-243 Mouser Part # 755-RPI-243 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 2mm Gap 4.2x5.2mm	Datasheet	837In Stock	¥151.2 ¥128.1 ¥122.4 ¥113.8 View ¥105.6 ¥103 ¥97.8 ¥94.2 Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 3mm Gap 4.2x5.4mm RPI-352 ROHM Semiconductor 1: ¥136.2 3,725In Stock End of Life	Mfr. Part # RPI-352 Mouser Part # 755-RPI-352 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 3mm Gap 4.2x5.4mm	Datasheet	3,725In Stock	¥136.2 ¥115.3 ¥97.5 ¥89.7 View ¥89.5 ¥88.9 ¥84.7 ¥80.7 ¥71.1	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3 mm
Optical Switches, Transmissive, Phototransistor Output Photointerrupter gap width 4mm RPI-0352E ROHM Semiconductor 1: ¥119.6 1,387In Stock End of Life	Mfr. Part # RPI-0352E Mouser Part # 755-RPI-0352E End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output Photointerrupter gap width 4mm	Datasheet	1,387In Stock	Cut Tape ¥119.6 ¥100.3 ¥95.7 ¥86.5 Reel ¥83.1 View ¥78.2 ¥75.1 ¥73.7 ¥73.6 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: ¥144.5 1,732In Stock End of Life	Mfr. Part # RPI-125 Mouser Part # 755-RPI-125 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER ULTRA MIN; HIGH RES	Datasheet	1,732In Stock	¥144.5 ¥122.2 ¥116.8 ¥106 View ¥103 ¥100 ¥90.4 ¥86.4	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	1.2 mm
Optical Switches, Transmissive, Phototransistor Output Energysaving Photointerrupter RPI-441C1E ROHM Semiconductor 1: ¥116.3 3,213In Stock End of Life	Mfr. Part # RPI-441C1E Mouser Part # 755-RPI-441C1E End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output Energysaving Photointerrupter	Datasheet	3,213In Stock	¥116.3 ¥98 ¥93.5 ¥84.5 View ¥81.1 ¥79.1 ¥73.4 ¥69.8 ¥65.3	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4 mm
Optical Switches, Transmissive, Phototransistor Output 50mA 5V 80mW Photointerrupter RPI-0226 ROHM Semiconductor 1: ¥131.2 1,860Expected 10/9/2026 End of Life	Mfr. Part # RPI-0226 Mouser Part # 755-RPI-0226 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output 50mA 5V 80mW Photointerrupter	Datasheet	1,860Expected 10/9/2026	Cut Tape ¥131.2 ¥110 ¥105 ¥95 Reel ¥84.4 View ¥89.2 ¥82.6 ¥76.6 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: ¥117.9 1,000Expected 10/26/2026 End of Life	Mfr. Part # RPI-441C1 Mouser Part # 755-RPI-441C1 End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 4mm Gap 8.0x4.2mm	Datasheet	1,000Expected 10/26/2026	¥117.9 ¥99.3 ¥94.7 ¥85.7 View ¥82.2 ¥79.4 ¥73.9 ¥70.9 ¥68.4	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: ¥576.4 180Expected 10/20/2026	Mfr. Part # RPR-359F Mouser Part # 755-RPR-359F	ROHM Semiconductor	Optical Switches, Reflective, Phototransistor Output PHTOINTRUPTR RFLCTVE PHTOTRNSISTR 4PIN Learn More about ROHM Semiconductor rohmopticalsensors	Datasheet	180Expected 10/20/2026	¥576.4 ¥420.2 ¥310.6 ¥272.4	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.5 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: ¥259.1 890Expected 3/19/2027 End of Life	Mfr. Part # RPI-0451E Mouser Part # 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	890Expected 3/19/2027	Cut Tape ¥259.1 ¥222.6 ¥174.4 ¥149.8 Reel ¥141.7 View ¥134.9 ¥129.2 ¥123.2	Min.: 1 Mult.: 1 : 1,000	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	4.5 mm
Optical Switches, Transmissive, Phototransistor Output PHOTOINTPTR ULTRAMIN Wide Gap 4.9x2.6mm RPI-221A ROHM Semiconductor 1: ¥194.3 Non-Stocked End of Life	Mfr. Part # RPI-221A Mouser Part # 755-RPI-221A End of Life	ROHM Semiconductor	Optical Switches, Transmissive, Phototransistor Output PHOTOINTPTR ULTRAMIN Wide Gap 4.9x2.6mm	Datasheet	Non-Stocked	¥194.3 ¥136.5 ¥99.8 ¥83.2 View ¥78.2 ¥73.1 ¥69.8 ¥64.4 ¥60.3	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2 mm