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 455-0925
Référence fabricantSG211
MarqueKodenshi
5,154 €
Each (In a Pack of 5)
Unité
Phototransistor 1 50µs 50µs Through Hole - 4 5 x 4 x 5.2mm 5.2mm 5mm +85°C -20°C 2mm 4mm
N° de stock RS 173-0304
Référence fabricantOPB900W55Z
MarqueOptek
5,53 €
Each (In a Bag of 92)
Unité
Transistor 1 70ns 70ns Screw Mount - 5 30.99 x 6.35 x 10.8mm 10.8mm 30.99mm +70°C -40°C 9.53mm 6.35mm
N° de stock RS 177-4905
Référence fabricantEE-SX4009-P1
MarqueOmron
2,39 €
Each (In a Box of 100)
Unité
Phototransistor 1 - - Screw Mount - 3 7 x 11 x 34mm 34mm 7mm +75°C -25°C 5mm 11mm
N° de stock RS 908-7205
Référence fabricantOPB941W51Z
MarqueOptek
4,07 €
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 908-7214
Référence fabricantOPB942W55Z
MarqueOptek
4,43 €
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 173-0303
Référence fabricantOPB917BZ
MarqueOptek
4,857 €
Each (In a Box of 100)
Unité
Buffer, Open-Collector with 10K Pull-Up Resistor 1 50ns 50ns Through Hole - 5 30.73 x 6.35 x 25.65mm 25.65mm 30.73mm +85°C -40°C 5.08mm 6.35mm
N° de stock RS 908-7201
Référence fabricantOPB940W51Z
MarqueOptek
4,69 €
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 908-7150
Référence fabricantOPB821Z
MarqueOptek
4,30 €
Each
Unité
Transistor - - - Through Hole 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 908-7154
Référence fabricantOPB825
MarqueOptek
1,519 €
Each (In a Pack of 10)
Unité
Transistor - - - Through Hole Pin 4 10.67 x 6.35 x 11.43mm 11.43mm 10.67mm +85°C -40°C 4.06mm 6.35mm
N° de stock RS 908-7132
Référence fabricantOPB810W51Z
MarqueOptek
3,50 €
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 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 174-2528
Référence fabricantTCUT1630X01
MarqueVishay
2,252 €
Each (In a Pack of 5)
Unité
Phototransistor 3 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 176-0816
Référence fabricantEE-SX4350
MarqueOmron
0,983 €
Each (On a Reel of 400)
Unité
Photo IC 1 - - Surface Mount SMD 6 9 x 4 x 9mm 9mm 9mm +85°C -30°C 5mm 4mm
N° de stock RS 455-0874
Référence fabricantOPB460T11
MarqueOptek
2,70 €
Each
Unité
Buffer, Open-Collector with 10K Pull-Up Resistor 1 50ns 50ns Screw Mount - 5 24.89 x 6.6 x 11.05mm 11.05mm 24.89mm +85°C -40°C 3.18mm 6.6mm
N° de stock RS 174-2512
Référence fabricantTCUT1630X01
MarqueVishay
0,927 €
Each (On a Reel of 1100)
Unité
Phototransistor 3 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 146-0723
Référence fabricantGP1A173LCS3F
MarqueSharp
0,507 €
Each (In a Tray of 200)
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 908-7135
Référence fabricantOPB802W55Z
MarqueOptek
3,65 €
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 176-0818
Référence fabricantEE-SX3350
MarqueOmron
1,058 €
Each (On a Reel of 400)
Unité
Photo IC 1 - - Surface Mount SMD 6 9 x 4 x 9mm 9mm 9mm +85°C -30°C 5mm 4mm
N° de stock RS 146-0719
Référence fabricantGP1S173LCS2F
MarqueSharp
1,003 €
Each (In a Tray of 200)
Unité
Phototransistor 1 3µs 4µs Snap-In - 5 27.1 x 9.8 x 16.3mm 16.3mm 27.1mm -30°C +95°C 4.3mm 9.8mm
N° de stock RS 455-8020
Référence fabricantOPB360T51
MarqueOptek
2,20 €
Each
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