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20 mA Bulk Optical Switches

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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 Slotted Opt Switch OPB866T51 Optek / TT Electronics 1: $3.01 451In Stock	Mfr. Part No. OPB866T51 Mouser Part No 828-OPB866T51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	451In Stock	$3.01 $2.88	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB892T55Z Optek / TT Electronics 1: $4.59 183In Stock	Mfr. Part No. OPB892T55Z Mouser Part No 828-OPB892T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	183In Stock	$4.59 $4.58	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB370N51 Optek / TT Electronics 1: $2.81 438In Stock	Mfr. Part No. OPB370N51 Mouser Part No 828-OPB370N51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	438In Stock	$2.81 $2.78 $2.73 $2.72 Quote Quote	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB853A3 Optek / TT Electronics 1: $3.78 380In Stock	Mfr. Part No. OPB853A3 Mouser Part No 828-OPB853A3	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	380In Stock	$3.78 $3.41	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB375N51 Optek / TT Electronics 1: $2.54 345In Stock	Mfr. Part No. OPB375N51 Mouser Part No 828-OPB375N51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	345In Stock	$2.54 $2.31 $2.28	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB870P55 Optek / TT Electronics 1: $2.50 519In Stock	Mfr. Part No. OPB870P55 Mouser Part No 828-OPB870P55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	519In Stock	$2.50 $2.45	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB890T55Z Optek / TT Electronics 1: $4.58 179In Stock	Mfr. Part No. OPB890T55Z Mouser Part No 828-OPB890T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	179In Stock	$4.58	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch OPB810W55Z Optek / TT Electronics 1: $4.84 300In Stock	Mfr. Part No. OPB810W55Z Mouser Part No 828-OPB810W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch Learn More about Optek / TT Electronics optek tt opb800 w switches	Datasheet	300In Stock	$4.84 $4.35	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output 6.4X12.8MM PHOTOINTERRUPTER LED - Transmissive Type ATIR0511S Kingbright 1: $1.23 668In Stock	Mfr. Part No. ATIR0511S Mouser Part No 604-ATIR0511S	Kingbright	Optical Switches, Transmissive, Phototransistor Output 6.4X12.8MM PHOTOINTERRUPTER LED - Transmissive Type	Datasheet	668In Stock	$1.23 $1.05 $0.964 $0.854 View $0.807 $0.768 $0.733 $0.697	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.4 mm
Optical Switches, Reflective, Phototransistor Output PHOTO TRANS QRD1114 onsemi 1: $1.43 2,307In Stock	Mfr. Part No. QRD1114 Mouser Part No 512-QRD1114	onsemi	Optical Switches, Reflective, Phototransistor Output PHOTO TRANS	Datasheet	2,307In Stock	$1.43 $1.21 $1.00 $0.919 View $0.875 $0.85 Quote	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		1.27 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor w/Transistor Output TCRT1000 Vishay Semiconductors 1: $0.79 198In Stock 8,000On Order	Mfr. Part No. TCRT1000 Mouser Part No 782-TCRT1000	Vishay Semiconductors	Optical Switches, Reflective, Phototransistor Output Reflective Sensor w/Transistor Output Learn More about Vishay Semiconductors vishay optical sensors	Datasheet	198In Stock 8,000On Order	$0.79 $0.664 $0.595 $0.545 View $0.526 $0.511 $0.507 $0.506	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		0.2 mm to 4 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor w/Transistor Output TCRT1010 Vishay Semiconductors 1: $0.811 2,019In Stock	Mfr. Part No. TCRT1010 Mouser Part No 782-TCRT1010	Vishay Semiconductors	Optical Switches, Reflective, Phototransistor Output Reflective Sensor w/Transistor Output Learn More about Vishay Semiconductors vishay optical sensors	Datasheet	2,019In Stock	$0.811 $0.684 $0.654 $0.592 View $0.556 $0.543 $0.505 $0.478 $0.477	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		0.2 mm to 4 mm
Optical Switches, Reflective, Photo IC Output REFL DARK-ON EE-SY310 Aratas 1: $4.38 577In Stock End of Life	Mfr. Part No. EE-SY310 Mouser Part No 653-EE-SY310 End of Life	Aratas	Optical Switches, Reflective, Photo IC Output REFL DARK-ON Learn More about Aratas omron optical sensors	Datasheet	577In Stock	$4.38 $3.83 $3.45 $3.19 View $3.11 $3.06	Min.: 1 Mult.: 1	Optical Switches, Reflective, Photo IC Output	Reflective		5 mm
Optical Switches, Transmissive, Phototransistor Output Photointerrupter Phototransistor LITEON LTH-301-07 LTH-301-07 LITEON 1: $0.761 4,432In Stock 29,000On Order	Mfr. Part No. LTH-301-07 Mouser Part No 859-LTH-301-07	LITEON	Optical Switches, Transmissive, Phototransistor Output Photointerrupter Phototransistor	Datasheet	4,432In Stock 29,000On Order On Order Ship Dates Mfr. No: LTH-301-07 Stock: 4,432 Can Dispatch Immediately On Order: 8,500 Expected 2026/11/25 20,500 Expected 2027/05/10 Factory Lead Time: 28 Weeks	$0.761 $0.635 $0.572 $0.548 View $0.527 $0.518 $0.483 $0.468 $0.427	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5 mm	5 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB380L51Z Optek / TT Electronics 1: $5.12 1,469In Stock 1,900On Order	Mfr. Part No. OPB380L51Z Mouser Part No 828-OPB380L51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	1,469In Stock 1,900On Order On Order Ship Dates Mfr. No: OPB380L51Z Stock: 1,469 Can Dispatch Immediately On Order: 56 Pending 1,844 Expected 2026/11/06 Factory Lead Time: 17 Weeks	$5.12 $4.84	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB380T51Z Optek / TT Electronics 1: $5.08 3,911In Stock	Mfr. Part No. OPB380T51Z Mouser Part No 828-OPB380T51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	3,911In Stock	$5.08 $4.85 $4.84	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output .375in Slot Ir OPB815WZ Optek / TT Electronics 1: $5.86 2,808In Stock 3,000Expected 2027/04/13	Mfr. Part No. OPB815WZ Mouser Part No 828-OPB815WZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .375in Slot Ir	Datasheet	2,808In Stock 3,000Expected 2027/04/13	$5.86 $5.47 $5.23 $5.06 $4.87	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output EMMITER/SENSOR ASSY OPB831W55Z Optek / TT Electronics 1: $5.04 2,984In Stock	Mfr. Part No. OPB831W55Z Mouser Part No 828-OPB831W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output EMMITER/SENSOR ASSY	Datasheet	2,984In Stock	$5.04 $4.78	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Phototransistor Output Photointerrupter Phototransistor LTH-1550-01 LITEON 1: $0.62 2,362In Stock	Mfr. Part No. LTH-1550-01 Mouser Part No 859-LTH-1550-01	LITEON	Optical Switches, Reflective, Phototransistor Output Photointerrupter Phototransistor	Datasheet	2,362In Stock	$0.62 $0.518 $0.466 $0.445 View $0.428 $0.419 $0.391 $0.369 $0.366	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 9.6mm space LITEON LTH-301A LTH-301A LITEON 1: $0.761 807In Stock	Mfr. Part No. LTH-301A Mouser Part No 859-LTH-301A	LITEON	Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 9.6mm space	Datasheet	807In Stock	$0.761 $0.635 $0.572 $0.548 View $0.527 $0.511 $0.48 $0.456 $0.442	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5.2 mm	5.2 mm
Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 9.4mm space LITEON LTH-306-04M LTH-306-04M LITEON 1: $0.70 1,825In Stock	Mfr. Part No. LTH-306-04M Mouser Part No 859-LTH-306-04M	LITEON	Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 9.4mm space	Datasheet	1,825In Stock	$0.70 $0.591 $0.533 $0.509 View $0.49 $0.477 $0.447 $0.429 $0.416	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5 mm	5 mm
Optical Switches, Transmissive, Phototransistor Output Emitter Sensor 890nm OPB100Z Optek / TT Electronics 1: $7.69 1,403In Stock	Mfr. Part No. OPB100Z Mouser Part No 828-OPB100Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Emitter Sensor 890nm	Datasheet	1,403In Stock	$7.69 $7.33	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted		914 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Switch OPB315WZ Optek / TT Electronics 1: $6.95 360In Stock	Mfr. Part No. OPB315WZ Mouser Part No 828-OPB315WZ	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Switch	Datasheet	360In Stock	$6.95 $6.59	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	22.86 mm	22.86 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB360T51 Optek / TT Electronics 1: $2.52 1,154In Stock	Mfr. Part No. OPB360T51 Mouser Part No 828-OPB360T51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	1,154In Stock	$2.52 $2.40	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB380T11Z Optek / TT Electronics 1: $5.18 317In Stock	Mfr. Part No. OPB380T11Z Mouser Part No 828-OPB380T11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	317In Stock	$5.18 $5.11 $4.91	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm