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 908-7071
Référence fabricantOPB492T11Z
MarqueOptek
3,73 €
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 145-2215
Référence fabricantTCST1202
MarqueVishay
0,892 €
Each (In a Tube of 85)
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 178-5082
Référence fabricantGP1S092HCPIF
MarqueSharp
0,31 €
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 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 133-3287
Référence fabricantRPI-441C1E
MarqueROHM
0,604 €
Each (In a Pack of 25)
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 170-0765
Référence fabricantOPB815L
MarqueOptek
2,826 €
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
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 194-4024
Référence fabricantOPB815L
MarqueOptek
2,83 €
Each
Unité
Phototransistor 1 - - Screw Mount - 4 32 x 6.6 x 14.35mm 14.35mm 32mm +80°C -40°C 9.53mm 6.6mm
N° de stock RS 818-1485
Référence fabricantEE-SX671A
MarqueOmron
11,92 €
Each
Unité
- - - - - - - - - - - - - -
N° de stock RS 818-7537
Référence fabricantTCUT1350X01
MarqueVishay
1,046 €
Each (In a Pack of 10)
Unité
Phototransistor 2 9µs 16µs Surface Mount - 6 5.5 x 4 x 4mm 4mm 5.5mm +125°C -40°C 3mm 4mm
N° de stock RS 178-1534
Référence fabricantGP1A52LRJ00F
MarqueSharp
0,938 €
Each (In a Bag of 100)
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 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 146-0772
Référence fabricantGP1A58HRJ00F
MarqueSharp
1,734 €
Each (In a Pack of 5)
Unité
Photointerrupter 1 0.1µs 0.05µs Through Hole - 5 13.7 x 5.2 x 10mm 10mm 13.7mm -25°C +85°C 5.2mm 5mm
N° de stock RS 170-0960
Référence fabricantOPB866T55
MarqueOptek
2,124 €
Each (In a Bag of 100)
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 919-0177
Référence fabricantTCST2300
MarqueVishay
1,186 €
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 788-4943
Référence fabricantEE-SX1081
MarqueOmron
2,338 €
Each (In a Pack of 5)
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 176-0817
Référence fabricantEE-SX4081
MarqueOmron
2,321 €
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 908-7245
Référence fabricantOPB990T55Z
MarqueOptek
3,32 €
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 666-6518
Référence fabricantGP1S094HCZ0F
MarqueSharp
0,55 €
Each (In a Pack of 5)
Unité
Phototransistor 1 50µs 50µs Through Hole - 4 5.5 x 2.6 x 4.8mm 4.8mm 5.5mm +85°C -25°C 3mm 2.6mm
N° de stock RS 908-7233
Référence fabricantOPB990P11Z
MarqueOptek
4,25 €
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