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. 173-0304
FabrikantnummerOPB900W55Z
FabrikantOptek
€ 5,219
Each (In a Bag of 92)
Aantal stuks
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
RS-stocknr. 205-0572
FabrikantnummerEE-SX1018
FabrikantOmron
€ 1,884
Each (In a Pack of 5)
Aantal stuks
Phototransistor 1 - - Through Hole - - - - - - - - -
RS-stocknr. 666-6518
FabrikantnummerGP1S094HCZ0F
FabrikantSharp
€ 0,57
Each (In a Pack of 5)
Aantal stuks
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
RS-stocknr. 205-0560
FabrikantnummerEE-SX4235A-P2
FabrikantOmron
€ 2,337
Each (In a Bag of 100)
Aantal stuks
Photo IC 1 - - Through Hole - - - - - - - - -
RS-stocknr. 908-7188
FabrikantnummerOPB865T51
FabrikantOptek
€ 2,489
Each (In a Pack of 10)
Aantal stuks
Transistor - - - Through Hole Pin 4 24.63 x 6.35 x 10.8mm 10.8mm 24.63mm +85°C -40°C 3.12mm 6.35mm
RS-stocknr. 2508806834
FabrikantnummerEE-SX1235A-P2
FabrikantOmron
€ 2,53
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 2509036042
FabrikantnummerEE-SX1025
FabrikantOmron
€ 2,40
Each
Aantal stuks
- - - - - - - - - - - - - -