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 908-7208
Référence fabricantOPB933W51Z
MarqueOptek
4,91 €
Each
Unité
Transistor - 70ns 70ns Panel Mount Wire - 23.75 x 12.95 x 10.54mm 10.54mm 23.75mm +70°C -40°C 3.18mm 12.95mm
N° de stock RS 788-4962
Référence fabricantEE-SX4009-P1
MarqueOmron
4,995 €
Each (In a Pack of 2)
Unité
Phototransistor 1 - - Screw Mount - 3 7 x 11 x 34mm 34mm 7mm +75°C -25°C 5mm 11mm
N° de stock RS 667-5039
Référence fabricantGP1S58VJ000F
MarqueSharp
1,024 €
Each (In a Pack of 5)
Unité
Phototransistor 1 3µs 4µs Through Hole - 4 13.7 x 5.2 x 12mm 12mm 13.7mm +85°C -25°C 5mm 5.2mm
N° de stock RS 908-7166
Référence fabricantOPB831W55Z
MarqueOptek
3,80 €
Each
Unité
Transistor - - - Panel Mount Wire - 23.75 x 12.95 x 10.54mm 10.54mm 23.75mm +80°C -40°C 3.18mm 12.95mm
N° de stock RS 880-2015
Référence fabricantOPB840W11Z
MarqueOptek
5,01 €
Each
Unité
Transistor 1 - - Screw Mount - 4 23.75 x 6.35 x 10.54mm 10.54mm 23.75mm +80°C -40°C 3.18mm 6.35mm
N° de stock RS 124-6797
Référence fabricantRPI-441C1
MarqueROHM
0,36 €
Each (In a Pack of 15)
Unité
Phototransistor 1 10µs 10µs Through Hole - 4 8 x 4.2 x 5.2mm 5.2mm 8mm +85°C -25°C 4mm 4.2mm
N° de stock RS 165-1493
Référence fabricantKRB031
MarqueKingbright
0,781 €
Each (On a Reel of 1000)
Unité
Phototransistor 1 8000ns 10000ns Surface Mount SMD 4 4 x 6 x 5mm 5mm 4mm +85°C -40°C 3mm 6mm
Nouveau
N° de stock RS 205-0551
Référence fabricantEE-SX1106
MarqueOmron
0,973 €
Each (In a Bag of 250)
Unité
Phototransistor 1 - - Through Hole - - - - - - - - -
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 - - - - - - - - -
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
Nouveau
N° de stock RS 205-0561
Référence fabricantEE-SX4235A-P2
MarqueOmron
3,338 €
Each (In a Pack of 5)
Unité
Photo IC 1 - - Through Hole - - - - - - - - -
N° de stock RS 161-2047
Référence fabricantTCUT1600X01
MarqueVishay
0,716 €
Each (On a Reel of 1300)
Unité
Transistor 2 9µs 16µs Surface Mount SMD 6 5.5 x 4 x 5.7mm 5.7mm 5.5mm 105°C -40°C - 4mm
N° de stock RS 908-7078
Référence fabricantOPB490T11Z
MarqueOptek
3,94 €
Each
Unité
Transistor - 50ns 50ns Panel Mount Wire - 24.63 x 6.35 x 15.25mm 15.25mm 24.63mm +85°C -40°C 3.3mm 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 205-0553
Référence fabricantEE-SX1106
MarqueOmron
1,085 €
Each (In a Pack of 10)
Unité
Phototransistor 1 - - Through Hole - - - - - - - - -
N° de stock RS 146-0775
Référence fabricantGP1A173LCS3F
MarqueSharp
0,731 €
Each (In a Pack of 10)
Unité
Photointerrupter 1 166 (Minimum)µs 166 (Minimum)µs Snap-In - 5 27.1 x 9.8 x 16.2mm 16.2mm 27.1mm -30°C +95°C 4.3mm 9.8mm
N° de stock RS 176-0817
Référence fabricantEE-SX4081
MarqueOmron
2,439 €
Each (In a Bag of 200)
Unité
- 1 - - Through Hole - 5 13.7 x 5 x 10mm 10mm 13.7mm +75°C -40°C 5mm 5mm
N° de stock RS 666-6482
Référence fabricantGP1A52LRJ00F
MarqueSharp
1,64 €
Each (In a Pack of 2)
Unité
Photologic, Pull Up 1 0.1µs 0.05µs Through Hole - 5 12.2 x 5 x 10mm 10mm 12.2mm +85°C -25°C 3mm 5mm
N° de stock RS 821-0113
Référence fabricantEE-SX473
MarqueOmron
16,60 €
Each
Unité
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N° de stock RS 180-8021
Référence fabricantTCST5250
MarqueVishay
0,915 €
Each (In a Pack of 10)
Unité
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