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

5334 Products showing for Optocouplers & Photodetectors

19 of 267
Temporarily out of stock
Renesas, RV1S9960ACCSP-10YV#SC0 CMOS Output Optocoupler, Surface Mount, 8-Pin LSDIP
  • RS Stock No. 189-1011
  • Mfr. Part No. RV1S9960ACCSP-10YV#SC0
Subtotal (1 pack of 5 units)
SGD72.39(exc. GST)
Temporarily out of stock
Vishay, SFH6106-4T DC Input Phototransistor Output Optocoupler, Surface Mount, 4-Pin SMD
  • RS Stock No. 165-2583
  • Mfr. Part No. SFH6106-4T
Subtotal (1 reel of 1000 units)
SGD521.00(exc. GST)
In Stock
Texas Instruments, 2-Channel Digital Isolator 1 Mbps, 3 kVrms, 5.5 V, 8-Pin SOIC
  • RS Stock No. 162-8174
  • Mfr. Part No. ISO7421D
Subtotal (1 tube of 75 units)
SGD389.25(exc. GST)
Last RS stock
Toshiba, TLP293(GR DC Input Transistor Output Optocoupler, Surface Mount, 4-Pin SOIC
  • RS Stock No. 796-5305P
  • Mfr. Part No. TLP293(GR
Subtotal 25 units (supplied in a tube)
SGD17.525(exc. GST)
Limited stock
Broadcom AFBR-S4N66P024M 2-Element Photomultiplier Photomultiplier, Surface
  • RS Stock No. 261-9701
  • Mfr. Part No. AFBR-S4N66P024M
Subtotal (1 unit)
SGD102.50(exc. GST)
Last RS stock
TEMT6200FX01 Vishay TEMT ±60° Visible Light Phototransistor, Surface Mount 2-Pin 0805 package
  • RS Stock No. 710-3853
  • Mfr. Part No. TEMT6200FX01
Subtotal (1 pack of 10 units)
SGD8.16(exc. GST)
In Stock
Vishay, 4N35 DC Input Transistor Output Optocoupler, Through Hole, 6-Pin PDIP
  • RS Stock No. 165-2468
  • Mfr. Part No. 4N35
Subtotal (1 tube of 50 units)
SGD22.15(exc. GST)
Currently unavailable
Lite-On, 4N25S DC Input Optocoupler, Surface Mount, 6-Pin PDIP
  • RS Stock No. 125-7562
  • Mfr. Part No. 4N25S
Subtotal (1 tube of 65 units)
SGD20.93(exc. GST)
In Stock
Broadcom, ACPL-331J-000E IGBT Gate Drive Output Optocoupler, Surface Mount, 16-Pin SOIC
  • RS Stock No. 693-5915
  • Mfr. Part No. ACPL-331J-000E
Subtotal (1 unit)
SGD7.71(exc. GST)
In Stock
Toshiba, TLP290(GB AC Input Transistor Output Optocoupler, Surface Mount, 4-Pin SOIC
  • RS Stock No. 796-5257P
  • Mfr. Part No. TLP290(GB
Subtotal 20 units (supplied in a tube)
SGD14.10(exc. GST)
In Stock
TEFT4300 Vishay TEFT4300 60 ° Infrared Phototransistor, Through Hole 2-Pin T-1 package
  • RS Stock No. 708-2731
  • Mfr. Part No. TEFT4300
Subtotal (1 bag of 20 units)
SGD10.02(exc. GST)
Last RS stock
Vishay, VOD223T DC Input Darlington Output Dual Optocoupler, Surface Mount, 8-Pin SOIC
  • RS Stock No. 699-8486
  • Mfr. Part No. VOD223T
Subtotal (1 pack of 5 units)
SGD9.64(exc. GST)
In Stock
Vishay BPW24R Infrared, Visible Light Photodiode, 65 °, Through Hole TO-18
  • RS Stock No. 708-2816
  • Mfr. Part No. BPW24R
Subtotal (1 unit)
SGD4.89(exc. GST)
In Stock
Broadcom, ACPL-064L-000E DC Input Logic Gate Output Dual Optocoupler, Surface Mount, 8-Pin SOIC
  • RS Stock No. 714-0177
  • Mfr. Part No. ACPL-064L-000E
Subtotal (1 unit)
SGD5.92(exc. GST)
Temporarily out of stock
Broadcom, HCPL-4100-000E DC Input Transistor Output Optocoupler, Through Hole, 8-Pin DIP
  • RS Stock No. 922-5854
  • Mfr. Part No. HCPL-4100-000E
Subtotal (1 tube of 50 units)
SGD381.90(exc. GST)
Last RS stock
Skyworks Solutions Inc, 3-Channel Digital Isolator 1 Mbps, 2.5 kVrms, 5.5 V, 16-Pin SOIC
  • RS Stock No. 753-2226P
  • Mfr. Part No. Si8431AB-D-IS
Subtotal 2 units (supplied in a tube)
SGD9.18(exc. GST)
Last RS stock
Si8442AB-D-IS Skyworks Solutions Inc, 4-Channel Digital Isolator 1 Mbps, 2.5 kVrms, 5.5 V, 16-Pin SOIC
  • RS Stock No. 753-2258
  • Mfr. Part No. Si8442AB-D-IS
Subtotal (1 pack of 2 units)
SGD9.13(exc. GST)
Last RS stock
Vishay, VO617A-3 Phototransistor Output Optocoupler, Through Hole, 4-Pin DIP
  • RS Stock No. 257-6948
  • Mfr. Part No. VO617A-3
Subtotal (1 tube of 100 units)
SGD25.80(exc. GST)
In Stock
Hamamatsu Photonics S2386-45K Infrared, Visible Light Photodiode, Through Hole TO-5
  • RS Stock No. 482-426
  • Mfr. Part No. S2386-45K
Subtotal (1 unit)
SGD31.40(exc. GST)
Temporarily out of stock
NCIV9311 onsemi, 3-Channel Digital Isolator 15 Mbps, 5 kV, 16-Pin SOIC-16W
  • RS Stock No. 284-9007P
  • Mfr. Part No. NCIV9311
Subtotal 1 unit (supplied in a tube)
SGD8.63(exc. GST)
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