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 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
N° de stock RS 174-2528
Référence fabricantTCUT1630X01
MarqueVishay
0,756 €
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 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 177-4882
Référence fabricantEE-SX384
MarqueOmron
1,534 €
Each (In a Bag of 200)
Unité
Phototransistor 1 3µs 20µs Through Hole - 5 12.5 x 5 x 8mm 8mm 12.5mm +75°C -40°C 3.5mm 5mm
N° de stock RS 666-6536
Référence fabricantGP1S52VJ000F
MarqueSharp
1,024 €
Each (In a Pack of 5)
Unité
Phototransistor 1 3µs 4µs Through Hole - 4 12.2 x 5 x 10mm 10mm 12.2mm +85°C -25°C 3mm 5mm
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
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 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
N° de stock RS 908-7227
Référence fabricantOPB972T55
MarqueOptek
2,81 €
Each
Unité
Transistor - 70ns 70ns Through Hole Pin 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 880-2040
Référence fabricantOPB992T51Z
MarqueOptek
4,58 €
Each
Unité
- 1 70ns 70ns Screw Mount - 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 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 908-7150
Référence fabricantOPB821Z
MarqueOptek
4,44 €
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 146-0719
Référence fabricantGP1S173LCS2F
MarqueSharp
0,957 €
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
Nouveau
N° de stock RS 205-0563
Référence fabricantEE-SX498
MarqueOmron
2,036 €
Each (In a Pack of 5)
Unité
Photo IC 1 - - Through Hole - - - - - - - - -
N° de stock RS 880-2021
Référence fabricantOPB866T55
MarqueOptek
2,265 €
Each (In a Pack of 2)
Unité
Transistor 1 - - Screw Mount - 4 24.61 x 6.35 x 10.8mm 10.8mm 24.61mm +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 -
Nouveau
N° de stock RS 205-0551
Référence fabricantEE-SX1106
MarqueOmron
0,973 €
Each (In a Bag of 250)
Unité
Phototransistor 1 - - Through Hole - - - - - - - - -
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 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 146-1449
Référence fabricantTCUT1350X01
MarqueVishay
0,614 €
Each (On a Reel of 2000)
Unité
Phototransistor 2 9µs 16µs Surface Mount - 6 5.5 x 4 x 4mm 4mm 5.5mm +125°C -40°C 3mm 4mm