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

5439 Products showing for Optocouplers & Photodetectors

9 of 272
Broadcom, HCPL-M600-500E AC/DC Input Transistor Output Optocoupler, Surface Mount, 5-Pin SO
  • RS Stock No. 174-3678
  • Mfr. Part No. HCPL-M600-500E
Each (On a Reel of 1500)
SGD1.938(exc. GST)
Broadcom, HCNR201-300E DC Input Photodiode Output Optocoupler, Surface Mount, 8-Pin PDIP
  • RS Stock No. 922-6680
  • Mfr. Part No. HCNR201-300E
Each (In a Tube of 42)
SGD4.997(exc. GST)
Vishay, VO2631 CMOS Output Optocoupler, Through Hole, 8-Pin DIP
  • RS Stock No. 180-7241
  • Mfr. Part No. VO2631
Each (In a Pack of 5)
SGD3.648(exc. GST)
Broadcom, HCPL-2601-000E DC Input Transistor Output Optocoupler, Through Hole, 8-Pin DIP
  • RS Stock No. 547-3740P
  • Mfr. Part No. HCPL-2601-000E
Each (Supplied in a Tube)
SGD3.49(exc. GST)
OSI Optoelectronics, PIN-SPOT2D Si Photodiode, Through Hole TO-5
  • RS Stock No. 183-7151
  • Mfr. Part No. PIN-SPOT2D
Each
SGD48.60(exc. GST)
Broadcom, HCPL-354-000E AC Input Transistor Output Optocoupler, Surface Mount, 4-Pin Mini-Flat
  • RS Stock No. 693-5286P
  • Mfr. Part No. HCPL-354-000E
Each (Supplied on a Reel)
SGD0.674(exc. GST)
Vishay, SFH619A Photodarlington Output Optocoupler, Surface Mount, 4-Pin DIP
  • RS Stock No. 257-6851P
  • Mfr. Part No. SFH619A
Each (Supplied in a Tube)
SGD1.70(exc. GST)
onsemi, FODM2701R2 DC Input Phototransistor Output Optocoupler, Surface Mount, 4-Pin MFP
  • RS Stock No. 808-8862P
  • Mfr. Part No. FODM2701R2
Each (Supplied on a Reel)
SGD0.528(exc. GST)
Wurth Elektronik, 140817142300 Phototransistor Output Phototransistor, Through Hole, 4-Pin DIP
  • RS Stock No. 238-5867
  • Mfr. Part No. 140817142300
Each (On a Reel of 1500)
SGD0.278(exc. GST)
BPW96B Vishay, ±20 ° IR Phototransistor, Through Hole 2-Pin 5mm (T-1 3/4) package
  • RS Stock No. 165-4935
  • Mfr. Part No. BPW96B
Each (In a Bag of 1000)
SGD0.527(exc. GST)
Vishay, SFH617A-2 DC Input Transistor Output Optocoupler, Through Hole, 4-Pin PDIP
  • RS Stock No. 708-5483
  • Mfr. Part No. SFH617A-2
Each (In a Pack of 10)
SGD0.792(exc. GST)
onsemi, FOD8173T CMOS Output Optocoupler, Surface Mount, 6-Pin SOP
  • RS Stock No. 185-8005
  • Mfr. Part No. FOD8173T
Each (In a Tube of 2000)
SGD1.793(exc. GST)
Toshiba, TLP118(E(O DC Input Logic Gate Output Optocoupler, Surface Mount, 5-Pin SO
  • RS Stock No. 168-7411
  • Mfr. Part No. TLP118(E(O
Each (In a Tube of 125)
SGD1.696(exc. GST)
Broadcom, HCPL-0534-000E DC Input Transistor Output Dual Optocoupler, Surface Mount, 8-Pin SOIC
  • RS Stock No. 922-6422
  • Mfr. Part No. HCPL-0534-000E
Each (In a Tube of 100)
SGD5.244(exc. GST)
onsemi, CNY173SM Phototransistor Output Optocoupler, Surface Mount, 6-Pin SMT
  • RS Stock No. 186-7255
  • Mfr. Part No. CNY173SM
Each (In a Bag of 1000)
SGD0.352(exc. GST)
OPB830W11Z Optek, Screw Mount Slotted Optical Switch, Transistor Output
  • RS Stock No. 880-2006
  • Mfr. Part No. OPB830W11Z
Each
SGD10.50(exc. GST)
Broadcom, HCPL-4503-000E DC Input Transistor Output Optocoupler, Through Hole, 8-Pin PDIP
  • RS Stock No. 547-3712
  • Mfr. Part No. HCPL-4503-000E
Each
SGD3.35(exc. GST)
Broadcom, HCPL-0720-000E DC Input Transistor Output Optocoupler, Surface Mount, 8-Pin SOIC
  • RS Stock No. 496-5440P
  • Mfr. Part No. HCPL-0720-000E
Each (Supplied in a Tube)
SGD8.81(exc. GST)
Broadcom, HCPL-3700-000E AC/DC Input, Input Darlington Output Optocoupler, Through Hole, 8-Pin PDIP
  • RS Stock No. 547-4030P
  • Mfr. Part No. HCPL-3700-000E
Each (Supplied in a Tube)
SGD6.84(exc. GST)
Optek OP505A IR Receiver, Through Hole, 3.18 (Dia.) x 5.84mm
  • RS Stock No. 173-0297
  • Mfr. Part No. OP505A
Each (In a Bag of 1150)
SGD1.261(exc. GST)
Results per page
1
9
272

Related links