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 Price 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庫存編號 165-1493
製造零件編號KRB031
BrandKingbright
TWD29.30
個 (在毎卷:1000)
單位
Phototransistor 1 8000ns 10000ns Surface Mount SMD 4 4 x 6 x 5mm 5mm 4mm +85°C -40°C 3mm 6mm
RS庫存編號 616-5686
製造零件編號KRB031
BrandKingbright
TWD42.80
/個 (每包:5個)
單位
Phototransistor 1 8000ns 10000ns Surface Mount SMD 4 4 x 6 x 5mm 5mm 4mm +85°C -40°C 3mm 6mm
RS庫存編號 178-1533
製造零件編號GP1A51HRJ00F
BrandSharp
TWD33.90
個 (以毎袋:100)
單位
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
RS庫存編號 666-6473
製造零件編號GP1A51HRJ00F
BrandSharp
TWD58.00
/個 (每包:5個)
單位
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
RS庫存編號 170-0952
製造零件編號OPB829CZ
BrandOptek
TWD123.80
個 (以毎袋:100)
單位
- 1 - - Screw Mount - 4 24.64 x 6.35 x 10.03mm 10.03mm 24.64mm +80°C -40°C 3.18mm 6.35mm
RS庫存編號 880-1993
製造零件編號OPB829CZ
BrandOptek
TWD139.50
/個 (每包:2個)
單位
- 1 - - Screw Mount - 4 24.64 x 6.35 x 10.03mm 10.03mm 24.64mm +80°C -40°C 3.18mm 6.35mm
RS庫存編號 919-0177
製造零件編號TCST2300
BrandVishay
TWD42.40
毎管:85 個
單位
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
RS庫存編號 908-7217
製造零件編號OPB943W51Z
BrandOptek
TWD196.00
單位
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庫存編號 194-4030
製造零件編號OPB815WZ
BrandOptek
TWD161.00
單位
Phototransistor 1 - - Chassis Mount PCB Module - - - - +80°C -40°C 9.53mm 9.53mm
RS庫存編號 616-5670
製造零件編號KRB011
BrandKingbright
TWD42.20
/個 (每包:5個)
單位
Phototransistor 1 8000ns 10000ns Surface Mount SMD 4 4 x 5 x 4mm 4mm 4mm +85°C -30°C 2mm 5mm
RS庫存編號 708-5556
製造零件編號TCST2300
BrandVishay
TWD67.20
/個 (每包:5個)
單位
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
RS庫存編號 908-7144
製造零件編號OPB815WZ
BrandOptek
TWD166.00
單位
Transistor - - - Free Hanging Wire - 31.75 x 3.18 x 14.1mm 14.1mm 31.75mm +80°C -40°C 9.53mm 3.18mm
RS庫存編號 818-1494
製造零件編號EE-SX672A
BrandOmron
TWD966.00
單位
- - - - - - - - - - - - - -
RS庫存編號 165-1495
製造零件編號KRB011
BrandKingbright
TWD27.90
個 (在毎卷:1500)
單位
Phototransistor 1 8000ns 10000ns Surface Mount SMD 4 4 x 5 x 4mm 4mm 4mm +85°C -30°C 2mm 5mm
RS庫存編號 666-6536
製造零件編號GP1S52VJ000F
BrandSharp
TWD41.60
/個 (每包:5個)
單位
Phototransistor 1 3µs 4µs Through Hole - 4 12.2 x 5 x 10mm 10mm 12.2mm +85°C -25°C 3mm 5mm
RS庫存編號 919-0174
製造零件編號TCST2103
BrandVishay
TWD37.60
毎管:85 個
單位
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
RS庫存編號 708-5553
製造零件編號TCST2103
BrandVishay
TWD67.60
/個 (每包:5個)
單位
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
RS庫存編號 178-5045
製造零件編號GP1S52VJ000F
BrandSharp
TWD30.50
個 (以毎袋:1000)
單位
Phototransistor 1 3µs 4µs Through Hole - 4 12.2 x 5 x 10mm 10mm 12.2mm +85°C -25°C 3mm 5mm
RS庫存編號 453-0836
製造零件編號H21A3
BrandIsocom
TWD58.20
/個 (每包:5個)
單位
Phototransistor 1 8µs 50µs Screw Mount - 4 25.7 x 6.6 x 11.1mm 11.1mm 25.7mm +85°C -25°C 3mm 6.6mm
RS庫存編號 178-5082
製造零件編號GP1S092HCPIF
BrandSharp
TWD11.20
個 (在毎卷:2000)
單位
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