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 219-2511
Référence fabricantEE-SX1070
MarqueOmron
2,22 €
Each
Unité
Phototransistor 1 4000ns 4000ns Through Hole - 4 17.7 x 6 x 10.7mm 10.7mm 17.7mm +95°C -25°C 8mm 6mm
N° de stock RS 301-8442
Référence fabricantOPB620
MarqueOptek
1,60 €
Each
Unité
Phototransistor 1 - - Through Hole - 4 10.16 x 5.59 x 9.52mm 9.52mm 10.16mm +100°C -40°C 4.83mm 5.59mm
N° de stock RS 165-6371
Référence fabricantTCPT1350X01
MarqueVishay
0,593 €
Each (On a Reel of 2000)
Unité
Transistor 1 9µs 16µs Surface Mount - 6 5.5 x 4 x 4mm 4mm 5.5mm +125°C -40°C 3mm 4mm
N° de stock RS 818-7512
Référence fabricantTCPT1350X01
MarqueVishay
0,959 €
Each (In a Pack of 10)
Unité
Transistor 1 9µs 16µs Surface Mount - 6 5.5 x 4 x 4mm 4mm 5.5mm +125°C -40°C 3mm 4mm
N° de stock RS 136-0653
Référence fabricantTCPT1300X01
MarqueVishay
0,582 €
Each (On a Reel of 2000)
Unité
Transistor 2 20µs 30µs Surface Mount - 6 5.5 x 4 x 4mm 4mm 5.5mm +105°C -40°C 3mm 4mm
N° de stock RS 666-6473
Référence fabricantGP1A51HRJ00F
MarqueSharp
1,758 €
Each (In a Pack of 5)
Unité
Photologic, Pull Up 1 0.1µs 0.05µs Screw Mount - 5 18 x 12.2 x 10mm 10mm 18mm +85°C -25°C 3mm 12.2mm
N° de stock RS 178-1533
Référence fabricantGP1A51HRJ00F
MarqueSharp
0,959 €
Each (In a Bag of 100)
Unité
Photologic, Pull Up 1 0.1µs 0.05µs Screw Mount - 5 18 x 12.2 x 10mm 10mm 18mm +85°C -25°C 3mm 12.2mm
N° de stock RS 710-3816
Référence fabricantTCPT1300X01
MarqueVishay
1,434 €
Each (In a Pack of 5)
Unité
Phototransistor 1 20µs 30µs Surface Mount SMD 6 4 x 5 x 4mm 4mm 4mm +85°C -40°C 3mm 5mm
N° de stock RS 880-2028
Référence fabricantOPB841W55Z
MarqueOptek
3,78 €
Each
Unité
- 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 170-0962
Référence fabricantOPB841W55Z
MarqueOptek
3,685 €
Each (In a Box of 25)
Unité
- 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 908-7138
Référence fabricantOPB804
MarqueOptek
1,372 €
Each (In a Pack of 10)
Unité
Transistor - - - Through Hole Pin 4 12.57 x 6.35 x 11.68mm 11.68mm 12.57mm +85°C -40°C 3.94mm 6.35mm
N° de stock RS 880-2019
Référence fabricantOPB840W51Z
MarqueOptek
4,14 €
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 219-2533
Référence fabricantEE-SX1041
MarqueOmron
2,20 €
Each
Unité
Transistor 1 4000ns 4000ns Through Hole - 4 6 x 14.6 x 10.9mm 10.9mm 6mm +95°C -25°C 5mm 14.6mm
N° de stock RS 818-1497
Référence fabricantEE-SX673A
MarqueOmron
17,83 €
Each
Unité
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N° de stock RS 170-0959
Référence fabricantOPB840W51Z
MarqueOptek
3,762 €
Each (In a Bag of 100)
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 880-1993
Référence fabricantOPB829CZ
MarqueOptek
3,345 €
Each (In a Pack of 2)
Unité
- 1 - - Screw Mount - 4 24.64 x 6.35 x 10.03mm 10.03mm 24.64mm +80°C -40°C 3.18mm 6.35mm
N° de stock RS 708-5553
Référence fabricantTCST2103
MarqueVishay
1,554 €
Each (In a Pack of 5)
Unité
Phototransistor 1 10µs 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 919-0174
Référence fabricantTCST2103
MarqueVishay
0,782 €
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 170-0952
Référence fabricantOPB829CZ
MarqueOptek
3,04 €
Each (In a Bag of 100)
Unité
- 1 - - Screw Mount - 4 24.64 x 6.35 x 10.03mm 10.03mm 24.64mm +80°C -40°C 3.18mm 6.35mm
N° de stock RS 303-1192A
Référence fabricantOPB365T55
MarqueOptek
2,95 €
Each (In a Pack of 25)
Unité
Phototransistor 1 10µs - Screw Mount - 4 24.61 x 6.35 x 10.8mm 10.8mm 24.61mm +85°C -40°C 3.18mm 6.35mm