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 146-0771
Référence fabricantGP1S50J000F
MarqueSharp
0,949 €
Each (In a Pack of 10)
Unité
- - - - - - - - - - - - - -
N° de stock RS 170-0780
Référence fabricantOPB360T51
MarqueOptek
1,925 €
Each (In a Bag of 25)
Unité
Phototransistor 1 - - Screw Mount - 4 24.61 x 6.35 x 10.8mm 10.8mm 24.61mm +85°C -40°C 3.18mm 6.35mm
Nouveau
N° de stock RS 205-0555
Référence fabricantEE-SX1140
MarqueOmron
3,485 €
Each (In a Pack of 2)
Unité
- 1 - - Through Hole - - - - - - - - -
N° de stock RS 908-7217
Référence fabricantOPB943W51Z
MarqueOptek
4,77 €
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 174-2513
Référence fabricantTCUT1800X01
MarqueVishay
0,912 €
Each (On a Reel of 1100)
Unité
Phototransistor 4 9µs 16µs Surface Mount SMD 10 5.7 x 5.9 x 7.1mm 7.1mm 5.7mm +105°C -40°C 3mm 5.9mm
Nouveau
N° de stock RS 205-0576
Référence fabricantEE-SX3162-P2
MarqueOmron
2,579 €
Each (In a Bag of 150)
Unité
Photo IC 1 - - Through Hole - - - - - - - - -
N° de stock RS 919-0177
Référence fabricantTCST2300
MarqueVishay
1,14 €
Each (In a Tube of 85)
Unité
Phototransistor 1 10 μ 8µs Through Hole - 4 24.5 x 6.3 x 11.1mm 11.1mm 24.5mm 85°C -55°C 3.1mm 6.3mm
N° de stock RS 177-4906
Référence fabricantEE-SX3081
MarqueOmron
1,925 €
Each (In a Bag of 200)
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 818-1491
Référence fabricantEE-SX670A
MarqueOmron
14,39 €
Each
Unité
- - - - - - - - - - - - - -
N° de stock RS 174-2530
Référence fabricantTCUT1800X01
MarqueVishay
0,924 €
Each (In a Pack of 5)
Unité
Phototransistor 4 9µs 16µs Surface Mount SMD 10 5.7 x 5.9 x 7.1mm 7.1mm 5.7mm +105°C -40°C 3mm 5.9mm
N° de stock RS 708-5544
Référence fabricantTCST1300
MarqueVishay
1,662 €
Each (In a Pack of 5)
Unité
Phototransistor 1 10µs 8µs Through Hole - 4 11.9 x 6.3 x 11.1mm 11.1mm 11.9mm +85°C -55°C 3.1mm 6.3mm
N° de stock RS 908-7258
Référence fabricantOPB991P51Z
MarqueOptek
4,52 €
Each
Unité
Transistor - 70ns 70ns Panel Mount Wire - 18.47 x 6.35 x 15.63mm 15.63mm 18.47mm +70°C -40°C 3.18mm 6.35mm
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 - - - - - - - - -
Nouveau
N° de stock RS 205-0569
Référence fabricantEE-SX1235A-P2+
MarqueOmron
1,90 €
Each (In a Bag of 100)
Unité
Phototransistor 1 - - Through Hole - - - - - - - - -
N° de stock RS 908-7157
Référence fabricantOPB821S5Z
MarqueOptek
4,44 €
Each
Unité
Transistor - - - Free Hanging Wire - 15.24 x 6.35 x 8.89mm 8.89mm 15.24mm +85°C -40°C 2.03mm 6.35mm
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 170-0961
Référence fabricantOPB880P51Z
MarqueOptek
3,657 €
Each (In a Bag of 100)
Unité
- 1 - - Screw Mount - 4 18.47 x 6.35 x 15.75mm 15.75mm 18.47mm +85°C -40°C 3.3mm 6.35mm
N° de stock RS 177-4908
Référence fabricantEE-SX1046
MarqueOmron
2,323 €
Each (In a Bag of 250)
Unité
Phototransistor 1 4µs 4µs Through Hole - 4 - 6.5mm 10mm +85°C -25°C 3mm -
N° de stock RS 161-2139
Référence fabricantTCPT1600X01
MarqueVishay
1,588 €
Each (In a Pack of 5)
Unité
Transistor 1 9µs 16µs Surface Mount SMD 6 5.5 x 4 x 5.7mm 5.7mm 5.5mm 105°C -40°C - 4mm
Nouveau
N° de stock RS 205-0593
Référence fabricantEE-SX1025
MarqueOmron
1,231 €
Each (In a Bag of 100)
Unité
Phototransistor 1 - - Through Hole - - - - - - - - -