.hide-partial { max-height: none; } .show-more { display: none; }

Optical Switches

Optical Switches are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many optical switch manufacturers including Broadcom, Omron, onsemi, ROHM Semiconductor, Sharp Microelectronics, TT Electronics, Vishay & more.
More...

Please view our large selection of optical switches below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Optical Switches

List Images

Results: 1,178

Applied Filters:

Manufacturer

Product Type

Sensing Method

Slot Width

Sensing Distance

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 940/PTR 1.6V Max 9.4mm space LITEON LTH-306-04M LTH-306-04M LITEON 1: £0.526 2,825In 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	2,825In Stock	£0.526 £0.443 £0.40 £0.382 View £0.346 £0.328 £0.315 £0.295	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	5 mm	5 mm
Optical Switches, Transmissive, Phototransistor Output .08" WIDE GAP 890NM OPB820S10 Optek / TT Electronics 1: £2.78 1,257In Stock	Mfr. Part No. OPB820S10 Mouser Part No 828-OPB820S10	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output .08" WIDE GAP 890NM	Datasheet	1,257In Stock	£2.78 £2.53 £2.51	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.03 mm	2.03 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB853A3 Optek / TT Electronics 1: £2.84 385In Stock	Mfr. Part No. OPB853A3 Mouser Part No 828-OPB853A3	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	385In Stock	£2.84 £2.56	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 OPB854A3 Optek / TT Electronics 1: £2.40 499In Stock	Mfr. Part No. OPB854A3 Mouser Part No 828-OPB854A3	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	499In Stock	£2.40 £2.19	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	2.54 mm	2.54 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB859 Optek / TT Electronics 1: £2.62 637In Stock	Mfr. Part No. OPB859 Mouser Part No 828-OPB859	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	637In Stock	£2.62 £2.35 £2.34	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 OPB890L11Z Optek / TT Electronics 1: £4.02 322In Stock	Mfr. Part No. OPB890L11Z Mouser Part No 828-OPB890L11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	322In Stock	£4.02 £4.01 £3.88 £3.82	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Phototransistor Output Reflective Sensor OPB70FWZ Optek / TT Electronics 1: £4.37 545In Stock	Mfr. Part No. OPB70FWZ Mouser Part No 828-OPB70FWZ	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Reflective Sensor	Datasheet	545In Stock	£4.37 £3.95 £3.94	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		3.81 mm
Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch OPB810W55Z Optek / TT Electronics 1: £3.63 313In 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	313In Stock	£3.63 £3.27	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB390T55Z Optek / TT Electronics 1: £3.72 690In Stock	Mfr. Part No. OPB390T55Z Mouser Part No 828-OPB390T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	690In Stock	£3.72 £3.53	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM OPB710 Optek / TT Electronics 1: £6.74 515In Stock	Mfr. Part No. OPB710 Mouser Part No 828-OPB710	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output EMMITER/SENSOR ASSEM	Datasheet	515In Stock	£6.74 £6.52 £6.47	Min.: 1 Mult.: 1	Optical Switches, Reflective, Phototransistor Output	Reflective		6.35 mm
Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch OPB811L55 Optek / TT Electronics 1: £1.99 1,072In Stock	Mfr. Part No. OPB811L55 Mouser Part No 828-OPB811L55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Wd Gap Opt Switch	Datasheet	1,072In Stock	£1.99 £1.89	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	9.5 mm	9.5 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB870N11 Optek / TT Electronics 1: £2.35 602In Stock	Mfr. Part No. OPB870N11 Mouser Part No 828-OPB870N11	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	602In Stock	£2.35 £2.17 £2.16 £2.11	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 OPB890P51Z Optek / TT Electronics 1: £3.55 666In Stock	Mfr. Part No. OPB890P51Z Mouser Part No 828-OPB890P51Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb88 89z switches	Datasheet	666In Stock	£3.55 £3.20	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 OPB365P55 Optek / TT Electronics 1: £2.55 599In Stock 400Expected 01/12/2026	Mfr. Part No. OPB365P55 Mouser Part No 828-OPB365P55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	599In Stock 400Expected 01/12/2026	£2.55 £2.18	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 OPB390P11Z Optek / TT Electronics 1: £3.88 1,216In Stock	Mfr. Part No. OPB390P11Z Mouser Part No 828-OPB390P11Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Learn More about Optek / TT Electronics optek tt opb380 90z switches	Datasheet	1,216In Stock	£3.88 £3.53	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Photo IC Output Reflective Sensor OPB720B-12Z Optek / TT Electronics 1: £12.43 296In Stock	Mfr. Part No. OPB720B-12Z Mouser Part No 828-OPB720B-12Z	Optek / TT Electronics	Optical Switches, Reflective, Photo IC Output Reflective Sensor	Datasheet	296In Stock	£12.43 £12.22 £11.58	Min.: 1 Mult.: 1	Optical Switches, Reflective, Photo IC Output	Reflective		1 mm to 305 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB806 Optek / TT Electronics 1: £2.86 415In Stock	Mfr. Part No. OPB806 Mouser Part No 828-OPB806	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	415In Stock	£2.86 £2.66	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Reflective, Phototransistor Output Mini SMD Reflective Sensor 850nm OPR5005TR Optek / TT Electronics 1: £3.57 2,187In Stock	Mfr. Part No. OPR5005TR Mouser Part No 828-OPR5005TR	Optek / TT Electronics	Optical Switches, Reflective, Phototransistor Output Mini SMD Reflective Sensor 850nm	Datasheet	2,187In Stock	Cut Tape £3.57 Reel £3.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Optical Switches, Reflective, Phototransistor Output	Reflective		1.27 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Switch OPB315L Optek / TT Electronics 1: £3.88 418In Stock	Mfr. Part No. OPB315L Mouser Part No 828-OPB315L	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Switch	Datasheet	418In Stock	£3.88 £3.58	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 OPB857Z Optek / TT Electronics 1: £4.87 576In Stock	Mfr. Part No. OPB857Z Mouser Part No 828-OPB857Z	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	576In Stock	£4.87 £4.86 £4.50 £4.46	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.8 mm	3.8 mm
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB871N55 Optek / TT Electronics 1: £2.04 876In Stock	Mfr. Part No. OPB871N55 Mouser Part No 828-OPB871N55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	876In Stock	£2.04 £1.85	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Phototransistor Output	Transmissive, Slotted	3.18 mm	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB991T11Z Optek / TT Electronics 1: £4.72 1,000In Stock	Mfr. Part No. OPB991T11Z Mouser Part No 828-OPB991T11Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	1,000In Stock	£4.72 £4.37	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch OPB900W55Z Optek / TT Electronics 1: £5.02 2,004In Stock	Mfr. Part No. OPB900W55Z Mouser Part No 828-OPB900W55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch	Datasheet	2,004In Stock	£5.02 £4.98	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	9.5 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB971T11 Optek / TT Electronics 1: £3.17 789In Stock	Mfr. Part No. OPB971T11 Mouser Part No 828-OPB971T11	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	789In Stock	£3.17 £2.87	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm
Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic OPB981T55Z Optek / TT Electronics 1: £4.17 657In Stock	Mfr. Part No. OPB981T55Z Mouser Part No 828-OPB981T55Z	Optek / TT Electronics	Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch Photologic	Datasheet	657In Stock	£4.17 £3.75 £3.74	Min.: 1 Mult.: 1	Optical Switches, Transmissive, Photo IC Output	Transmissive, Slotted	3.18 mm