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

TT Electronics Optoelectronics

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

Types of Optoelectronics

List Images

Results: 809

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; }

Part #

Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED

OPB818
Optek / TT Electronics
1: NT$91.42
227In Stock
500Expected 9/25/2026

Mfr. Part #
OPB818

Mouser Part #
828-OPB818

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output .21in SLOT INFRARED

Datasheet

Product Comments

227In Stock

500Expected 9/25/2026

NT$91.42

NT$90.70

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output .08" SLOT INFRARED

OPB820S5
Optek / TT Electronics
1: NT$141.97
287In Stock

Mfr. Part #
OPB820S5

Mouser Part #
828-OPB820S5

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output .08" SLOT INFRARED

Datasheet

287In Stock

NT$141.97

NT$135.87

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output DUAL SLOTTED 20mA 30V

OPB822SD
Optek / TT Electronics
1: NT$177.10
165In Stock

Mfr. Part #
OPB822SD

Mouser Part #
828-OPB822SD

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output DUAL SLOTTED 20mA 30V

Datasheet

165In Stock

NT$177.10

NT$168.85

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB825
Optek / TT Electronics
1: NT$75.64
685In Stock

Mfr. Part #
OPB825

Mouser Part #
828-OPB825

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

685In Stock

NT$75.64

NT$71.70

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB825A
Optek / TT Electronics
1: NT$76.36
178In Stock
1,000Expected 11/24/2026

Mfr. Part #
OPB825A

Mouser Part #
828-OPB825A

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

178In Stock

1,000Expected 11/24/2026

NT$76.36

NT$72.78

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB827A
Optek / TT Electronics
1: NT$126.91
6In Stock

Mfr. Part #
OPB827A

Mouser Part #
828-OPB827A

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

6In Stock

NT$126.91

NT$107.55

NT$93.93

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB830L11
Optek / TT Electronics
1: NT$130.85
100In Stock
800On Order

Mfr. Part #
OPB830L11

Mouser Part #
828-OPB830L11

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

100In Stock

800On Order

NT$130.85

NT$123.32

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output .125" SLOT INFRARED

OPB830L51
Optek / TT Electronics
1: NT$104.68
17In Stock
400Expected 11/20/2026

Mfr. Part #
OPB830L51

Mouser Part #
828-OPB830L51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output .125" SLOT INFRARED

Datasheet

17In Stock

400Expected 11/20/2026

NT$104.68

NT$99.66

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

OPB830W55Z
Optek / TT Electronics
1: NT$174.59
55In Stock
1,000Expected 10/21/2026

Mfr. Part #
OPB830W55Z

Mouser Part #
828-OPB830W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

Datasheet

55In Stock

1,000Expected 10/21/2026

NT$174.59

NT$171.36

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Optical Switch

OPB831W51Z
Optek / TT Electronics
1: NT$256.69
100In Stock

Mfr. Part #
OPB831W51Z

Mouser Part #
828-OPB831W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Optical Switch

Datasheet

100In Stock

NT$256.69

NT$213.67

NT$186.06

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB832W55Z
Optek / TT Electronics
1: NT$179.97
119In Stock

Mfr. Part #
OPB832W55Z

Mouser Part #
828-OPB832W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

119In Stock

NT$179.97

NT$170.29

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW

OPB840L11
Optek / TT Electronics
1: NT$122.61
142In Stock

Mfr. Part #
OPB840L11

Mouser Part #
828-OPB840L11

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output SLOTTED OPTICAL SW

Datasheet

142In Stock

NT$122.61

NT$111.14

NT$107.55

NT$106.83

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB847
Optek / TT Electronics
1: NT$92.85
229In Stock

Mfr. Part #
OPB847

Mouser Part #
828-OPB847

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

229In Stock

NT$92.85

NT$88.55

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB852A1
Optek / TT Electronics
1: NT$99.30
93In Stock

Mfr. Part #
OPB852A1

Mouser Part #
828-OPB852A1

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

93In Stock

NT$99.30

NT$93.93

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB853A1
Optek / TT Electronics
1: NT$131.93
232In Stock

Mfr. Part #
OPB853A1

Mouser Part #
828-OPB853A1

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

232In Stock

NT$131.93

NT$125.83

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB860N55
Optek / TT Electronics
1: NT$99.66
42In Stock

Mfr. Part #
OPB860N55

Mouser Part #
828-OPB860N55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

42In Stock

NT$99.66

NT$89.63

NT$89.27

NT$86.04

NT$85.32

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB861T55
Optek / TT Electronics
1: NT$113.29
171In Stock

Mfr. Part #
OPB861T55

Mouser Part #
828-OPB861T55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

171In Stock

NT$113.29

NT$99.30

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB865T51
Optek / TT Electronics
1: NT$116.51
314In Stock

Mfr. Part #
OPB865T51

Mouser Part #
828-OPB865T51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

314In Stock

NT$116.51

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB865T55
Optek / TT Electronics
1: NT$115.44
163In Stock

Mfr. Part #
OPB865T55

Mouser Part #
828-OPB865T55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

163In Stock

NT$115.44

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB870T51
Optek / TT Electronics
1: NT$97.15
378In Stock

Mfr. Part #
OPB870T51

Mouser Part #
828-OPB870T51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

378In Stock

NT$97.15

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output SLTTD OPTICAL SWITCH

OPB880T11Z
Optek / TT Electronics
1: NT$198.97
67In Stock

Mfr. Part #
OPB880T11Z

Mouser Part #
828-OPB880T11Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output SLTTD OPTICAL SWITCH

Learn More

Datasheet

67In Stock

NT$198.97

NT$188.93

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB881L55Z
Optek / TT Electronics
1: NT$174.59
150In Stock

Mfr. Part #
OPB881L55Z

Mouser Part #
828-OPB881L55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

150In Stock

NT$174.59

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB881T55Z
Optek / TT Electronics
1: NT$176.02
253In Stock

Mfr. Part #
OPB881T55Z

Mouser Part #
828-OPB881T55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

253In Stock

NT$176.02

NT$163.12

NT$157.74

NT$157.02

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output 0.125" SLOT WIDTH

OPB885Z
Optek / TT Electronics
1: NT$305.80
108In Stock

Mfr. Part #
OPB885Z

Mouser Part #
828-OPB885Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output 0.125" SLOT WIDTH

Learn More

Datasheet

108In Stock

NT$305.80

NT$277.12

NT$267.44

NT$266.37

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB890P11Z
Optek / TT Electronics
1: NT$191.08
51In Stock

Mfr. Part #
OPB890P11Z

Mouser Part #
828-OPB890P11Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

51In Stock

NT$191.08

NT$186.06

Min.: 1
Mult.: 1

TT Electronics Optoelectronics

Types of Optoelectronics

Customer Service Office

Company

Resources

Support