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. 176-0819
FabrikantnummerEE-SX1350
FabrikantOmron
€ 0,816
Each (On a Reel of 400)
Aantal stuks
Phototransistor 1 11µs 14µs Surface Mount SMD 6 9 x 4 x 9mm 9mm 9mm +85°C -30°C 5mm 4mm
Nieuw
RS-stocknr. 205-0577
FabrikantnummerEE-SX3162-P2
FabrikantOmron
€ 3,83
Each (In a Pack of 5)
Aantal stuks
Photo IC 1 - - Through Hole - - - - - - - - -
RS-stocknr. 183-7469
FabrikantnummerEESX4320
FabrikantOmron
€ 3,244
Each (In a Pack of 2000)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 146-0771
FabrikantnummerGP1S50J000F
FabrikantSharp
€ 0,949
Each (In a Pack of 10)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 180-7429
FabrikantnummerTCST5250
FabrikantVishay
€ 0,915
Each (In a Tube of 30)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 146-0719
FabrikantnummerGP1S173LCS2F
FabrikantSharp
€ 0,957
Each (In a Tray of 200)
Aantal stuks
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
Nieuw
RS-stocknr. 205-0578
FabrikantnummerEE-SX198
FabrikantOmron
€ 0,994
Each (In a Tray of 200)
Aantal stuks
Phototransistor 1 - - Through Hole - - - - - - - - -
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. 124-6794
FabrikantnummerRPI-246
FabrikantROHM
€ 0,783
Each (In a Pack of 15)
Aantal stuks
Phototransistor 1 10µs 10µs Through Hole - 4 5 x 4.2 x 5.2mm 5.2mm 5mm +85°C -25°C 2mm 4.2mm
RS-stocknr. 183-7467
FabrikantnummerEESX4340
FabrikantOmron
€ 1,512
Each (In a Pack of 1000)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 170-0775
FabrikantnummerOPB830L51
FabrikantOptek
€ 2,242
Each (In a Bag of 25)
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
Nieuw
RS-stocknr. 205-0581
FabrikantnummerEE-SX1035
FabrikantOmron
€ 2,015
Each (In a Bag of 10)
Aantal stuks
Phototransistor 1 - - Through Hole - - - - - - - - -
Nieuw
RS-stocknr. 205-0586
FabrikantnummerEE-SX4162-P2
FabrikantOmron
€ 3,814
Each (In a Pack of 5)
Aantal stuks
Photo IC 1 - - Through Hole - - - - - - - - -
RS-stocknr. 145-1800
FabrikantnummerTCST1230
FabrikantVishay
€ 0,734
Each (In a Tube of 60)
Aantal stuks
Phototransistor 1 15µs 10µs Through Hole - 4 8.3 x 4.7 x 8.15mm 8.15mm 8.3mm +85°C -25°C 2.8mm 4.7mm
RS-stocknr. 788-4931
FabrikantnummerEE-SX1046
FabrikantOmron
€ 3,915
Each (In a Pack of 2)
Aantal stuks
Phototransistor 1 4µs 4µs Through Hole - 4 - 6.5mm 10mm +85°C -25°C 3mm -
RS-stocknr. 161-2047
FabrikantnummerTCUT1600X01
FabrikantVishay
€ 0,716
Each (On a Reel of 1300)
Aantal stuks
Transistor 2 9µs 16µs Surface Mount SMD 6 5.5 x 4 x 5.7mm 5.7mm 5.5mm 105°C -40°C - 4mm
RS-stocknr. 174-2528
FabrikantnummerTCUT1630X01
FabrikantVishay
€ 0,756
Each (In a Pack of 5)
Aantal stuks
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
Nieuw
RS-stocknr. 205-0554
FabrikantnummerEE-SX1140
FabrikantOmron
€ 2,30
Each (In a Tray of 100)
Aantal stuks
- 1 - - Through Hole - - - - - - - - -
RS-stocknr. 183-7473
FabrikantnummerEESX1340
FabrikantOmron
€ 1,302
Each (In a Pack of 1000)
Aantal stuks
- - - - - - - - - - - - - -
Nieuw
RS-stocknr. 205-0587
FabrikantnummerEE-SX493
FabrikantOmron
€ 1,729
Each (In a Tray of 200)
Aantal stuks
Photo IC 1 - - Through Hole - - - - - - - - -
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