Optocouplers & Photodetectors

We offer an extensive range of optocouplers (opto-isolators), photodetectors AND photointerrupter modules. Our range features leading brands such as Avago Technologies, Fairchild & Vishay.

What are optocouplers?

An Optocoupler, also known as a photocoupler or optical isolator, is an electronic component that interconnects two electrical circuits using an LED and a phototransistor, housed in the same opaque package. There are also other types of source-sensor combinations which include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. These different pairings can have various effects as a result of the materials used, such as impact on speed. Optocouplers are used mainly to couple isolated circuits and have a range of uses in both domestic and industrial applications - often used on building sites.

We stock:

  • Photodiodes: also known as a diode, is a semiconductor device that converts light into an electrical current, generated when photons are absorbed. Other types of optocouplers include photodarlingtons and TRIACs.
  • Reflective optical sensors: normally used in automotive production, but can also be found in manufacturing processes to ensure they run smoothly. They use a system of mirrors and light beams that sense when they are interrupted to report and show faults.
  • Digital isolators: used to ensure accuracy in circuits by eliminating ground loop errors to improve performance. They can also help develop component safety as isolation devices allowing circuits to coexist and communicate without interruption or signal interference.
Digital Isolator ICs
Digital Isolator ICs
IR Receivers
IR Receivers
IR Transceivers
IR Transceivers
Optocouplers
Optocouplers
Photodiodes
Photodiodes
Photomultipliers
Photomultipliers
Phototransistors
Phototransistors
Reflective Optical Sensors
Reflective Optical Sensors
Slotted Optical Switches
Slotted Optical Switches

5474 Products showing for Optocouplers & Photodetectors

1 of 274
OPB810W51Z Optek, Through Hole Slotted Optical Switch, Transistor Output
  • RS Stock No. 908-7138
  • Mfr. Part No. OPB810W51Z
Each (In a Pack of 10)
SGD8.35(exc. GST)
Broadcom, HCPL-060L-000E DC Input Phototransistor Output Optocoupler, Surface Mount, 8-Pin SOIC
  • RS Stock No. 236-868
  • Mfr. Part No. HCPL-060L-000E
Each
SGD4.76(exc. GST)
TEPT4400 Vishay, 60 ° Visible Light Phototransistor, Through Hole 2-Pin 3mm (T-1) package
  • RS Stock No. 700-0776
  • Mfr. Part No. TEPT4400
Each (In a Pack of 10)
SGD0.30(exc. GST)
Vishay, SFH6343T Phototransistor Output Optocoupler, Surface Mount, 8-Pin SOIC
  • RS Stock No. 257-6855
  • Mfr. Part No. SFH6343T
Each
SGD2.94(exc. GST)
Broadcom, HCPL-316J-000E BiCMOS/DMOS Output Optocoupler, Surface Mount, 16-Pin SOIC
  • RS Stock No. 547-4181
  • Mfr. Part No. HCPL-316J-000E
Each
SGD7.84(exc. GST)
Isocom, ISP845X DC Input Darlington Output Quad Optocoupler, Through Hole, 16-Pin PDIP
  • RS Stock No. 453-0909
  • Mfr. Part No. ISP845X
Each (In a Pack of 5)
SGD2.984(exc. GST)
Vishay, SFH601-3 Phototransistor Output Optocoupler, Surface Mount, 6-Pin DIP
  • RS Stock No. 257-6847
  • Mfr. Part No. SFH601-3
Each (In a Pack of 5)
SGD1.918(exc. GST)
Broadcom, HCNW2211-000E DC Input Logic Gate Output Optocoupler, Through Hole, 8-Pin DIP
  • RS Stock No. 696-1267
  • Mfr. Part No. HCNW2211-000E
Each
SGD6.34(exc. GST)
onsemi, FOD3150V MOSFET Output Optocoupler, Through Hole, 8-Pin DIP
  • RS Stock No. 864-9120
  • Mfr. Part No. FOD3150V
Each (In a Pack of 5)
SGD3.298(exc. GST)
Broadcom, HCPL-0201-000E DC Input Logic Gate Output Optocoupler, Surface Mount, 8-Pin SOIC
  • RS Stock No. 547-3958
  • Mfr. Part No. HCPL-0201-000E
Each
SGD2.56(exc. GST)
EE-SX670A Omron, Slotted Optical Switch
  • RS Stock No. 818-1491
  • Mfr. Part No. EE-SX670A
Each
SGD42.51(exc. GST)
onsemi, FOD817C300W DC Input Phototransistor Output Optocoupler, Through Hole, 4-Pin MDIP
  • RS Stock No. 808-8812P
  • Mfr. Part No. FOD817C300W
Each (Supplied in a Tube)
SGD0.447(exc. GST)
Renesas, PS2502-4-A DC Input Darlington Output Quad Optocoupler, Through Hole, 16-Pin PDIP
  • RS Stock No. 632-4857
  • Mfr. Part No. PS2502-4-A
Each
SGD6.93(exc. GST)
Fairchild, H11L1M DC Input Logic Gate Output Optocoupler, Through Hole, 6-Pin DIP
  • RS Stock No. 671-1393P
  • Mfr. Part No. H11L1M
Each (Supplied in a Tube)
SGD1.80(exc. GST)
EE-SX1046 Omron, Through Hole Slotted Optical Switch, Phototransistor Output
  • RS Stock No. 788-4931
  • Mfr. Part No. EE-SX1046
Each (In a Pack of 2)
SGD4.245(exc. GST)
Broadcom, HCPL-0453-000E DC Input Transistor Output Optocoupler, Surface Mount, 8-Pin SOIC
  • RS Stock No. 450-947P
  • Mfr. Part No. HCPL-0453-000E
Each (Supplied in a Tube)
SGD2.84(exc. GST)
Renesas, PS2845-4A-AX AC Input Phototransistor Output Quad Optocoupler, Surface Mount, 12-Pin USSOP
  • RS Stock No. 772-6021P
  • Mfr. Part No. PS2845-4A-AX
Each (Supplied in a Tube)
SGD8.69(exc. GST)
Isocom, 4N35 DC Input Transistor Output Optocoupler, Through Hole, 6-Pin PDIP
  • RS Stock No. 597-302
  • Mfr. Part No. 4N35
Each
SGD0.51(exc. GST)
Vishay TSOP6238TT, 38kHz IR Receiver ±50 °, 40m Range, 2.5 V - 5.5V, SMT, 7.5 x 5.3 x 4mm
  • RS Stock No. 818-7685
  • Mfr. Part No. TSOP6238TT
Each (In a Pack of 10)
SGD1.264(exc. GST)
Panasonic, AQY414EH DC Input MOSFET Output Optocoupler, Through Hole, 4-Pin DIP
  • RS Stock No. 352-5495
  • Mfr. Part No. AQY414EH
Each
SGD4.61(exc. GST)
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