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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Omschrijving Prijs 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
RS-stocknr. 908-7198
FabrikantnummerOPB930W55Z
FabrikantOptek
4,61 €
Each
Aantal stuks
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
RS-stocknr. 303-1192
FabrikantnummerOPB365T55
FabrikantOptek
2,53 €
Each
Aantal stuks
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
RS-stocknr. 908-7182
FabrikantnummerOPB890L55Z
FabrikantOptek
2,94 €
Each
Aantal stuks
Transistor - - - Panel Mount Wire - 18.47 x 6.35 x 15.75mm 15.75mm 18.47mm +85°C -40°C 3.3mm 6.35mm
RS-stocknr. 170-0773
FabrikantnummerOPB625
FabrikantOptek
1,789 €
Each (In a Tube of 100)
Aantal stuks
Buffer, Open-Collector with 10K Pull-Up Resistor 1 30ns 30ns Through Hole - 5 5.58 x 10.16 x 9.52mm 9.52mm 5.58mm +100°C -40°C 4.83mm 10.16mm
RS-stocknr. 455-0868
FabrikantnummerOPB625
FabrikantOptek
1,88 €
Each
Aantal stuks
Buffer, Open-Collector with 10K Pull-Up Resistor 1 30ns 30ns Through Hole - 5 5.58 x 10.16 x 9.52mm 9.52mm 5.58mm +100°C -40°C 4.83mm 10.16mm
RS-stocknr. 303-1192A
FabrikantnummerOPB365T55
FabrikantOptek
2,846 €
Each (In a Pack of 25)
Aantal stuks
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
RS-stocknr. 700-3999
FabrikantnummerRPI-352
FabrikantROHM
0,875 €
Each (In a Pack of 2)
Aantal stuks
Phototransistor 1 10µs 10µs Through Hole - 4 6.4 x 4.2 x 5.4mm 5.4mm 6.4mm +85°C -25°C 3mm 4.2mm
RS-stocknr. 818-1494
FabrikantnummerEE-SX672A
FabrikantOmron
14,83 €
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 788-4962
FabrikantnummerEE-SX4009-P1
FabrikantOmron
4,995 €
Each (In a Pack of 2)
Aantal stuks
Phototransistor 1 - - Screw Mount - 3 7 x 11 x 34mm 34mm 7mm +75°C -25°C 5mm 11mm
RS-stocknr. 908-7194
FabrikantnummerOPB917BZ
FabrikantOptek
4,84 €
Each
Aantal stuks
Transistor - 50ns 50ns Free Hanging Wire - 30.73 x 6.35 x 25.65mm 25.65mm 30.73mm +80°C -40°C 5.08mm 6.35mm
RS-stocknr. 616-5686
FabrikantnummerKRB031
FabrikantKingbright
0,84 €
Each (In a Pack of 5)
Aantal stuks
Phototransistor 1 8000ns 10000ns Surface Mount SMD 4 4 x 6 x 5mm 5mm 4mm +85°C -40°C 3mm 6mm
RS-stocknr. 708-5538
FabrikantnummerTCST1103
FabrikantVishay
1,278 €
Each (In a Pack of 5)
Aantal stuks
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
RS-stocknr. 880-2015
FabrikantnummerOPB840W11Z
FabrikantOptek
5,01 €
Each
Aantal stuks
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
RS-stocknr. 145-2313
FabrikantnummerTCST2202
FabrikantVishay
0,937 €
Each (In a Tube of 85)
Aantal stuks
Phototransistor 1 10µs 8µs Through Hole Leaded 4 24.5 x 6.3 x 10.8mm 10.8mm 24.5mm +85°C -55°C - 6.3mm
RS-stocknr. 165-1493
FabrikantnummerKRB031
FabrikantKingbright
0,781 €
Each (On a Reel of 1000)
Aantal stuks
Phototransistor 1 8000ns 10000ns Surface Mount SMD 4 4 x 6 x 5mm 5mm 4mm +85°C -40°C 3mm 6mm
RS-stocknr. 455-0880
FabrikantnummerOPB830L51
FabrikantOptek
2,29 €
Each
Aantal stuks
Phototransistor 1 - - Screw Mount - 4 23.75 x 12.95 x 10.54mm 10.54mm 23.75mm +85°C -40°C 3.18mm 12.95mm
RS-stocknr. 219-2561
FabrikantnummerEE-SG3
FabrikantOmron
4,06 €
Each
Aantal stuks
Phototransistor 1 4000ns 4000ns Through Hole - 4 25.4 x 6.35 x 11.7mm 11.7mm 25.4mm +85°C -25°C 3.6mm 6.35mm
RS-stocknr. 908-7205
FabrikantnummerOPB941W51Z
FabrikantOptek
4,74 €
Each
Aantal stuks
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
RS-stocknr. 173-0303
FabrikantnummerOPB917BZ
FabrikantOptek
4,755 €
Each (In a Box of 100)
Aantal stuks
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
RS-stocknr. 919-0165
FabrikantnummerTCST1103
FabrikantVishay
0,781 €
Each (In a Tube of 85)
Aantal stuks
Phototransistor 1 10 μ 8µs Through Hole - 4 11.9 x 6.3 x 11.1mm 11.1mm 11.9mm 85°C -55°C 3.1mm 6.3mm
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