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Transmissive, Slotted Optical Switches

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Types of Optical Switches

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Sensing Method = Transmissive, Slotted

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Part #

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

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: $0.82
2,738In Stock
4,000Expected 20/11/2026
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 20/11/2026

$0.82

$0.694

$0.568

$0.523

View

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
3,303In 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

3,303In Stock

$0.70

$0.59

$0.563

$0.505

View

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

4 mm

Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Mx 19mm space

LTH-301-32
LITEON
1: $1.13
486In Stock
1,100Expected 26/10/2026

Mfr. Part No.
LTH-301-32

Mouser Part No
859-LTH-301-32

LITEON

Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Mx 19mm space

Datasheet

486In Stock

1,100Expected 26/10/2026

$1.13

$0.867

$0.698

$0.67

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

15 mm

Optical Switches, Transmissive, Phototransistor Output Slotted 940/PTR 1.6V Max 9.6mm space

LTH-301A
LITEON
1: $0.76
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

$0.76

$0.635

$0.572

$0.548

View

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

5.2 mm

Optical Switches, Transmissive, Phototransistor Output Emitter Sensor 890nm

OPB100Z
Optek / TT Electronics
1: $7.71
1,588In Stock

Mfr. Part No.
OPB100Z

Mouser Part No
828-OPB100Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Emitter Sensor 890nm

Datasheet

1,588In Stock

$7.71

$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
371In Stock

Mfr. Part No.
OPB315WZ

Mouser Part No
828-OPB315WZ

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Switch

Datasheet

371In Stock

$6.95

$6.59

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

22.86 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB360T51
Optek / TT Electronics
1: $2.52
1,738In Stock

Mfr. Part No.
OPB360T51

Mouser Part No
828-OPB360T51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

1,738In Stock

$2.52

$2.40

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB380T11Z
Optek / TT Electronics
1: $5.17
319In Stock

Mfr. Part No.
OPB380T11Z

Mouser Part No
828-OPB380T11Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

319In Stock

$5.17

$5.10

$4.91

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB390L51Z
Optek / TT Electronics
1: $5.01
541In Stock

Mfr. Part No.
OPB390L51Z

Mouser Part No
828-OPB390L51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

541In Stock

$5.01

$4.80

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB390P51Z
Optek / TT Electronics
1: $5.12
292In Stock

Mfr. Part No.
OPB390P51Z

Mouser Part No
828-OPB390P51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Learn More

Datasheet

292In Stock

$5.12

$4.80

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch

OPB800L51
Optek / TT Electronics
1: $3.01
552In Stock

Mfr. Part No.
OPB800L51

Mouser Part No
828-OPB800L51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch

Datasheet

552In Stock

$3.01

$2.86

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

9.5 mm

Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch

OPB800W51Z
Optek / TT Electronics
1: $5.08
1,403In Stock

Mfr. Part No.
OPB800W51Z

Mouser Part No
828-OPB800W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Wide Gap Opt Switch

Learn More

Datasheet

1,403In Stock

$5.08

$4.82

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

9.5 mm

Optical Switches, Transmissive, Phototransistor Output .16in SLOT INFRARED

OPB804
Optek / TT Electronics
1: $1.81
1,464In Stock

Mfr. Part No.
OPB804

Mouser Part No
828-OPB804

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output .16in SLOT INFRARED

Datasheet

1,464In Stock

$1.81

$1.78

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.94 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB806
Optek / TT Electronics
1: $3.81
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

$3.81

$3.55

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB817Z
Optek / TT Electronics
1: $4.80
433In Stock

Mfr. Part No.
OPB817Z

Mouser Part No
828-OPB817Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

433In Stock

$4.80

$4.57

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

5.1 mm

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

OPB818
Optek / TT Electronics
1: $2.55
725In Stock

Mfr. Part No.
OPB818

Mouser Part No
828-OPB818

Optek / TT Electronics

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

Datasheet

725In Stock

$2.55

$2.53

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

5.1 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel

OPB826S
Optek / TT Electronics
1: $7.58
199In Stock

Mfr. Part No.
OPB826S

Mouser Part No
828-OPB826S

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel

Datasheet

199In Stock

$7.58

$7.33

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

2.54 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB830W51Z
Optek / TT Electronics
1: $5.44
809In Stock

Mfr. Part No.
OPB830W51Z

Mouser Part No
828-OPB830W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

809In Stock

$5.44

$5.42

$5.27

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

OPB840W11Z
Optek / TT Electronics
1: $6.47
500In Stock

Mfr. Part No.
OPB840W11Z

Mouser Part No
828-OPB840W11Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

Datasheet

500In Stock

$6.47

$6.12

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB840W51Z
Optek / TT Electronics
1: $5.21
344In Stock

Mfr. Part No.
OPB840W51Z

Mouser Part No
828-OPB840W51Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

344In Stock

$5.21

$5.02

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB840W55Z
Optek / TT Electronics
1: $4.90
744In Stock

Mfr. Part No.
OPB840W55Z

Mouser Part No
828-OPB840W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

744In Stock

$4.90

$4.87

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB841W55Z
Optek / TT Electronics
1: $5.73
286In Stock

Mfr. Part No.
OPB841W55Z

Mouser Part No
828-OPB841W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

286In Stock

$5.73

$4.86

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.18 mm

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

OPB855
Optek / TT Electronics
1: $2.23
1,103In Stock
3,000Expected 23/12/2026

Mfr. Part No.
OPB855

Mouser Part No
828-OPB855

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

Datasheet

1,103In Stock

3,000Expected 23/12/2026

$2.23

$2.15

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

5.21 mm

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB857Z
Optek / TT Electronics
1: $6.49
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

$6.49

$6.48

$6.00

$5.94

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output

Transmissive, Slotted

3.8 mm

Transmissive, Slotted Optical Switches

Types of Optical Switches

Customer Service Office

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Support

0.5 mm
1.1 mm
1.2 mm
2 mm
2.03 mm
2.29 mm
2.54 mm
2.79 mm
2.8 mm
3 mm
3.05 mm
3.1 mm
3.175 mm
3.18 mm
3.2 mm
3.3 mm
3.4 mm
3.5 mm
3.6 mm
3.8 mm

1.1 mm
2 mm
2.03 mm
2.29 mm
2.54 mm
2.8 mm
3 mm
3.05 mm
3.18 mm
3.2 mm
3.4 mm
3.6 mm
3.8 mm
3.94 mm
4 mm
4.06 mm
4.83 mm
5 mm
5.1 mm
5.2 mm