Slotted Optical Switches

Slotted optical switches (also called opto switches) are devices that provide status indications (on or off) when light beams are interrupted in various types of instruments, systems and equipment.

The switches contain phototransistors, which are illuminated by infrared light from the LEDs. The illumination causes the phototransistors to conduct. If objects are then placed into the slots between the transistors and the LEDs, the interruption of the light beams causes the transistors to switch off.

Optical slotted switches may also house rotating discs with holes around the rims. These holes spin within the light paths of the switches to create on and off pulses and direct the speed of the spinning discs.

What are slotted optical switches used for?

Slotted optical switches are used in assembly line production systems, machine automation and machine safety indicators.

The switches are standard in computer peripherals like printers, where the projection images get interrupted when they reach the end of their travel.

Types of slotted optical switches

Slotted optical switches are classified by their output mechanisms (buffers, inverters, interrupters), mounting types (through hole, panel, surface) and the number of pins located on the switches.


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Description Prix Output Device Number of Channels Typical Rise Time Typical Fall Time Mounting Type Package Type Number of Pins Dimensions Height Length Maximum Operating Temperature Minimum Operating Temperature Slot Width Width
N° de stock RS 170-0964
Référence fabricantOPB990T51Z
MarqueOptek
4,54 €
Each (In a Bag of 25)
Unité
- 1 70ns 70ns Screw Mount - 5 24.63 x 6.35 x 10.8mm 10.8mm 24.63mm +70°C -40°C 3.18mm 6.35mm
N° de stock RS 908-7223
Référence fabricantOPB962N51
MarqueOptek
2,77 €
Each
Unité
Transistor - 70ns 70ns Through Hole Pin 5 12.32 x 6.35 x 10.8mm 10.8mm 12.32mm +70°C -40°C 3.18mm 6.35mm
N° de stock RS 666-6511
Référence fabricantGP1S092HCPIF
MarqueSharp
0,623 €
Each (In a Pack of 10)
Unité
Phototransistor 1 50µs 50µs Surface Mount SMD 4 2.6 x 4.5 x 2.9mm 2.9mm 2.6mm +85°C -25°C 2mm 4.5mm
Nouveau
N° de stock RS 205-0585
Référence fabricantEE-SX4162-P2
MarqueOmron
2,568 €
Each (In a Bag of 150)
Unité
Photo IC 1 - - Through Hole - - - - - - - - -
N° de stock RS 821-0123
Référence fabricantEE-SX671P
MarqueOmron
23,96 €
Each
Unité
- - - - - - - - - - - - - -
N° de stock RS 178-5082
Référence fabricantGP1S092HCPIF
MarqueSharp
0,277 €
Each (On a Reel of 2000)
Unité
Phototransistor 1 50µs 50µs Surface Mount SMD 4 2.6 x 4.5 x 2.9mm 2.9mm 2.6mm +85°C -25°C 2mm 4.5mm
N° de stock RS 180-7429
Référence fabricantTCST5250
MarqueVishay
0,915 €
Each (In a Tube of 30)
Unité
- - - - - - - - - - - - - -
N° de stock RS 908-7132
Référence fabricantOPB810W51Z
MarqueOptek
3,91 €
Each
Unité
Transistor - - - Panel Mount Wire - 30.99 x 6.35 x 15.63mm 15.63mm 30.99mm +80°C -40°C 9.53mm 6.35mm
N° de stock RS 176-0819
Référence fabricantEE-SX1350
MarqueOmron
0,816 €
Each (On a Reel of 400)
Unité
Phototransistor 1 11µs 14µs Surface Mount SMD 6 9 x 4 x 9mm 9mm 9mm +85°C -30°C 5mm 4mm
Nouveau
N° de stock RS 205-0560
Référence fabricantEE-SX4235A-P2
MarqueOmron
2,337 €
Each (In a Bag of 100)
Unité
Photo IC 1 - - Through Hole - - - - - - - - -
Nouveau
N° de stock RS 205-0583
Référence fabricantEE-SX3164-P2
MarqueOmron
2,59 €
Each (In a Bag of 150)
Unité
Photo IC 1 - - Through Hole - - - - - - - - -
N° de stock RS 666-6530
Référence fabricantGP1S53J000F
MarqueSharp
1,048 €
Each (In a Pack of 5)
Unité
Phototransistor 1 3µs 4µs Through Hole - 4 13.7 x 5.2 x 10mm 10mm 13.7mm +85°C -25°C 5mm 5.2mm
N° de stock RS 908-7176
Référence fabricantOPB856Z
MarqueOptek
27,94 €
Each
Unité
Transistor - - - Panel Mount Wire - 17.27 (Dia.) x 19.3 Hmm 19.3mm - +85°C -40°C - -
N° de stock RS 908-7251
Référence fabricantOPB991T11Z
MarqueOptek
4,84 €
Each
Unité
Transistor - 70ns 70ns Panel Mount Wire - 24.63 x 6.35 x 15.63mm 15.63mm 24.63mm +70°C -40°C 3.18mm 6.35mm
N° de stock RS 177-4907
Référence fabricantEE-SX1081
MarqueOmron
1,495 €
Each (In a Box of 200)
Unité
Phototransistor 1 4µs 4µs Through Hole - 4 13.7 x 5 x 10mm 10mm 13.7mm +85°C -25°C 5mm 5mm
N° de stock RS 788-4959
Référence fabricantEE-SX3081
MarqueOmron
3,395 €
Each (In a Pack of 2)
Unité
Phototransistor 1 3µs 20µs Through Hole - 5 13.7 x 5 x 10mm 10mm 13.7mm +75°C -40°C 5mm 5mm
N° de stock RS 908-7172
Référence fabricantOPB854A3
MarqueOptek
2,381 €
Each (In a Pack of 10)
Unité
Transistor - - - Through Hole Pin 4 25.4 x 6.35 x 10.8mm 10.8mm 25.4mm +85°C -40°C 5.08mm 6.35mm
N° de stock RS 219-2577
Référence fabricantEE-SG3B
MarqueOmron
4,17 €
Each
Unité
Phototransistor 1 4000ns 4000ns Through Hole - 4 25.4 x 6.35 x 11.7mm 11.7mm 25.4mm +85°C -25°C 3.6mm 6.35mm
Nouveau
N° de stock RS 205-0587
Référence fabricantEE-SX493
MarqueOmron
1,729 €
Each (In a Tray of 200)
Unité
Photo IC 1 - - Through Hole - - - - - - - - -
N° de stock RS 170-0765
Référence fabricantOPB815L
MarqueOptek
2,332 €
Each (In a Bag of 25)
Unité
Phototransistor 1 - - Screw Mount - 4 32 x 6.6 x 14.35mm 14.35mm 32mm +80°C -40°C 9.53mm 6.6mm