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

5372 Products showing for Optocouplers & Photodetectors

14 of 269
In Stock
onsemi, H11L3SR2M Schmitt Trigger Output Optocoupler, Surface Mount, 6-Pin SMT
  • RS Stock No. 186-8457
  • Mfr. Part No. H11L3SR2M
Each (In a Pack of 10)
SGD0.939(exc. GST)
Currently unavailable
Vishay, CNY17F-3 DC Input Phototransistor Output Optocoupler, Through Hole, 6-Pin PDIP
  • RS Stock No. 919-0089
  • Mfr. Part No. CNY17F-3
Each (In a Tube of 50)
SGD0.383(exc. GST)
Temporarily out of stock
onsemi, H11L1SVM DC Input Logic Gate Output Optocoupler, Surface Mount, 6-Pin MDIP
  • RS Stock No. 169-8762
  • Mfr. Part No. H11L1SVM
Each (In a Bag of 1000)
SGD0.755(exc. GST)
In Stock
Sharp, PC357N7J000F Phototransistor Output Optocoupler
  • RS Stock No. 168-7922
  • Mfr. Part No. PC357N7J000F
Each (On a Reel of 3000)
SGD0.396(exc. GST)
Temporarily out of stock
Toshiba, TLP171GA(F(O DC Input MOSFET Output Optocoupler, Surface Mount, 4-Pin SOP
  • RS Stock No. 799-5236
  • Mfr. Part No. TLP171GA(F(O
Each (In a Pack of 2)
SGD3.365(exc. GST)
In Stock
Broadcom, HCPL-0710-000E DC Input Photo IC Output Optocoupler, Surface Mount, 8-Pin Tubular
  • RS Stock No. 242-542
  • Mfr. Part No. HCPL-0710-000E
Each (In a Pack of 2)
SGD8.045(exc. GST)
Temporarily out of stock
Vishay TSSP77P38TT, 38kHz IR Detector, 940nm ±50 °, 40m Range, 2.5 V - 5.5V, SMT, 6.8 x 3 x 3.2mm
  • RS Stock No. 165-6140
  • Mfr. Part No. TSSP77P38TT
Each (On a Reel of 2200)
SGD1.052(exc. GST)
In Stock
Broadcom, HCNW4506-300E DC Input Optocoupler, Surface Mount, 8-Pin DIP
  • RS Stock No. 922-6876
  • Mfr. Part No. HCNW4506-300E
Each (In a Tube of 42)
SGD3.308(exc. GST)
In Stock
Broadcom, HCPL-0601-000E DC Input Transistor Output Optocoupler, Surface Mount, 8-Pin SOIC
  • RS Stock No. 167-263
  • Mfr. Part No. HCPL-0601-000E
Each
SGD3.41(exc. GST)
Temporarily out of stock
Broadcom, HCPL-263L-300E DC Input Photodetector Output Dual Optocoupler, Surface Mount, 8-Pin DIP
  • RS Stock No. 178-3175
  • Mfr. Part No. HCPL-263L-300E
Each (In a Tube of 50)
SGD4.655(exc. GST)
Temporarily out of stock
OPB680 Optek, Through Hole Slotted Optical Switch, Phototransistor Output
  • RS Stock No. 171-3808
  • Mfr. Part No. OPB680
Each
SGD8.74(exc. GST)
In Stock
Broadcom, ACPL-217-56BE DC Input Transistor Output Optocoupler, Surface Mount, 4-Pin SO
  • RS Stock No. 174-3608
  • Mfr. Part No. ACPL-217-56BE
Each (On a Reel of 3000)
SGD0.354(exc. GST)
Last RS stock
Si8621BT-IS Skyworks Solutions Inc, 2-Channel Digital Isolator 150Mbit/s, 10 kVrms, 16-Pin SOIC W
  • RS Stock No. 905-3810P
  • Mfr. Part No. Si8621BT-IS
Each (Supplied in a Tube)
SGD4.505(exc. GST)
Last RS stock
Vishay, CNY17F-3X001 Phototransistor Output Optocoupler, Through Hole, 6-Pin DIP
  • RS Stock No. 257-6831
  • Mfr. Part No. CNY17F-3X001
Each
SGD0.95(exc. GST)
Last RS stock
SI8641BD-B-IS Skyworks Solutions Inc, 4-Channel Digital Isolator 150Mbps, 5 kVrms, 16-Pin SOIC W
  • RS Stock No. 168-9876
  • Mfr. Part No. SI8641BD-B-IS
Each (In a Tube of 46)
SGD3.412(exc. GST)
Temporarily out of stock
Si8642ED-B-IS Skyworks Solutions Inc, 4-Channel Digital Isolator 150Mbps, 5 kV, 16-Pin SOIC
  • RS Stock No. 753-2450
  • Mfr. Part No. Si8642ED-B-IS
Each
SGD4.80(exc. GST)
Last RS stock
Si8421BB-D-IS Skyworks Solutions Inc, 2-Channel Digital Isolator 150Mbps, 2.5 kVrms, 8-Pin SOIC
  • RS Stock No. 753-2214
  • Mfr. Part No. Si8421BB-D-IS
Each (In a Pack of 2)
SGD4.865(exc. GST)
In Stock
Broadcom, ACPL-M21L-500E DC Input CMOS Output Optocoupler, Surface Mount, 5-Pin SO
  • RS Stock No. 830-4990P
  • Mfr. Part No. ACPL-M21L-500E
Each (Supplied on a Reel)
SGD4.018(exc. GST)
Last RS stock
Si8641ET-IS Skyworks Solutions Inc, 4-Channel Digital Isolator 150Mbit/s, 10 kVrms, 16-Pin SOIC W
  • RS Stock No. 905-3864P
  • Mfr. Part No. Si8641ET-IS
Each (Supplied in a Tube)
SGD7.895(exc. GST)
Currently unavailable
Vishay, IL420-X007T DC Input Phototriac Output Optocoupler, Surface Mount, 6-Pin SMD
  • RS Stock No. 230-8332
  • Mfr. Part No. IL420-X007T
Each (On a Reel of 1000)
SGD3.203(exc. GST)
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