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Isocom is a manufacturer of optocouplers & optoswitches

ISOCOM COMPONENTS has been a leading supplier of infrared optoelectronic devices for over fifteen years, specialising in optocouplers.

ISOCOM offers competitive product drop-in replacements for all popular optocoupler industry standard types as well as our own branded parts and custom selections.

ISOCOM also offers the shortest manufacturing lead times in the world for many parts and can deliver popular parts ex-stock.

All of ISOCOM’s products are RoHS compliant.

Why settle for lengthy lead times when ISOCOM can deliver your components at a time when you need them?

UK Based manufacturer of optocouplers and Optoswitches
Global network of distributors and agents
Established for over 25 years
Flexible manufacturing processes mean shortest production leadtimes in the world for many parts
Parts available approved to the leading recognised industry standards ie. VDE, UL, NEMKO, ISO9001:2000
More competitive pricing and better availability with drop in replacement – WIN-WIN situation all round

Typical applications:

Lighting market
Smart meters
Gas detection/monitoring
Industrial controls
Power supply units
Power protection products
Set top box


Optocouplers Products

  • Transistors (Singles, Duals, & Quads)
  • AC Inputs (Singles, Duals, & Quads + Single 6 Pin Devices)
  • Schmitt Triggers (Single Channel, Microprocessor Compatible)
  • Darlingtons (Singles, Duals, & Quads)
  • Triacs (Standard & Zero Crossing Devices)
  • Low Power Couplers (Single, Dual, & Quad - Transistor & Darlington Devices)

Optoswitches Standard Devices
  • Single Channel Slotted Interrupters
  • Transisitor and Darlington
  • Three Standard Package Types
Special Purpose Devices
  • Reflectors
  • Flying Leads
  • 5mm Gap Interrupters
Custom Devices
  • Package Dimensions
  • Electrical Characteristics
  • Flying Leads
  • Connectors
  • Complete Assemblies

Solid State Relays (Photo MOSFET)

Optocouplers and Optoswitches



Optocouplers and opto-isolators can be used on their own, or to switch a range of other larger electronic devices such as transistors and triacs, punched-card readers, parts counters, an end of tape sensor on a printer or tape recorder, and as part of an interlock mechanism.

Optocouplers / Optoisolators

Optocouplers / Optoisolators:

  • Transistors (Singles, Duals, & Quads)
  • FETS (Single 6 Pin Devices)
  • AC Inputs (Singles, Duals, & Quads + Single 6 Pin Devices)
  • Schmitt Triggers (Single Channel, Microprocessor Compatible)
  • High Speed Logic Couplers (Singles & Duals - 10Mbits/s)
  • High Gain Couplers (Singles & Duals - 4MHz)
  • Darlingtons (Singles, Duals, & Quads)
  • SCRs (Peak Forward Voltage up to 625V)
  • Triacs (Standard & Zero Crossing Devices)
  • Low Power Couplers (Single, Dual, & Quad - Transistor & Darlington Devices)
  • SOIC Couplers
  • Discrete IR Emitter / Transistor or Schmitt Trigger Pairs

    Optoswitches / Optosensors

  • Optoswitches / Optosensors

  • Standard Devices
  • Interrupters( Transistor, Darlington, & Schmitt Trigger Detectors - Singles & Duals)
  • Special Purpose Devices
  • Reflectors
  • Flying Leads
  • 5mm Gap Interrupters
  • Three Standard Package Types
  • Custom Devices
  • Package Dimensions
  • Electrical Characteristics
  • Flying Leads
  • Connectors
  • Complete Assemblies


Mosfet relays

Mosfet relays: 

  • Isocom Components Ltd is developing a range of industry standard MOSFET relays. Due to the extensive reliability program this product range will be launched early into 2005.


Characteristics - Cross

(Product Range)

All Isocom's products are guaranteed to meet customer-specified electrical characteristics. Yield limits may apply. 

ILD1SFH617A-1MOC3020MOC8102H11AA1PS2502-2TIL117TLP321PC844 (IS844)
ILD2SFH617A-2MOC3021MOC8103H11AA2PS2505-4TIL119TLP321-2PC824 (IS824)
ILD5SFH617A-3MOC3022MOC8104H11AA3PS2505-1TIL128TLP321-4PC829 (IS829)
ILD74SFH617A-4MOC3023MOC8106H11AA4PS2505-2TIL191TLP521PC849 (IS849)
ILQ1SFH618A-2MOC3030MOC8107H11AA4PS2505-4TIL192TLP521-2PC827 (IS827)
ILQ5SFH620-1MOC3032MOC8112MCT2EPS2702-1TIL192BTLP620 >
ILQ74SFH620-2MOC3033CNX 72AMCT6PS2705-1TIL193TLP620-2 >
MCA230SFH620-3MOC3040CNX 82AMCT61PS2732-1TIL193ATLP620-4 >
MCA255SFH628A-3MOC3042H11AV1MCT62 TIL193BTLP621
SFH600-1SFH628A-4MOC3043H11AV2MCT210 TIL194TLP621-2 >
SFH600-2 MOC3051H11AV3MCT270 TIL194ATLP621-4 >
SFH600-3 MOC3052H11D1MCT271 TIL194BTLP624 >
SFH600-4 MOC3060H11D2MCT272 TIL197TLP624-2 >
SFH601-1 MOC3061H11D3MCT273 TIL197ATLP624-4 >
SFH601-2 MOC3062H11D4MCT274 >TIL197B > >
SFH601-3 MOC3063H11F1MCT275 > > > >
SFH601-4 MOC5007H11F2MCT276  > > >
SFH601-5 MOC5008H11F3MCT277  > > >
SFH609-2 MOC5009H11G1MCT2200  > > >
SFH609-3 MOC8021H11G2MCT2201  > > >
 > MOC8030H11G3 >  > > >


Isocom Catalog

All 4N25, 4N26, 4N27, 4N28, 4N35, 4N37, 4N38,4N39, CNY17-1, CNY17-2, CNY17-3, CNY17-4, CNY17F-1, CNY17F-2, CNY17F-3, CNY17F-4, H11A1, H11A2, H11A3, H11A4, H11A5, H11D1, H11D2, H11D3

Call us for specific part numbers. 

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Product List:

Part NumberProduct NameQtyPrice (US$) 
4N35XGISOCOM 4N35XG Optocoupler, Transistor Outputs00.5000
MOC8111XGIsocom MOC8111XG Transistor Output Optocoupler 30V 5300V RMS DIP-64,0000.4000
IS357AIS357A Isocom Optocoupler Transistor, 1 Channel Out 3.75kV00.1500
ISP845-1SMIsocom ISP845-1SM Optocoupler00.0000
ISP814X-SMT&RIsocom ISP814X-SMT/R Transistor Output Optocoupler 5.3KV DIP-42500.5500
IS355Isocom IS355 4 PIN OPTOCOUPLER (MARKED FPD1), 35V, IS355 RoHS00.3500
SFH615A-2.ISOCOM SFH615A-2X Transistor Output Optocoupler, 1 Channel, 5.3 kV, 63 %, 50 mA, DIP, 4 Pins00.0000
MCT2EIsocom MCT2E Optocoupler00.5100
MCT2.Isocom MCT2 Optocoupler00.5100
MOCD207.ISOCOM MOCD207 Optocoupler, 2 Channels, Out: transistor; 50mA 5V SMD 8Pin00.6500
MOC3031MOC3031 Optocoupler Triac AC-OUT 1-CH 6-Pin PDIP00.0000
CNY17-2X-85CNY17-2X-85 Isocom Transistor and Photovoltaic Output00.0000
H22A1H22A1 Isocom Phototransistor 3.3mm 4-Pin Rail00.0000
IS40SMT&RIS40SMT&R Isocom Solid State Relay 120MA 400V 6-SMD00.0000
ISP60SMT&RISP60SMT&R Isocom Solid State Relay 50MA 600V 6-SMD00.0000
IS2801-1IS2801-4 Isocom Components Optoisolator Transistor Output 50mA 1.2V 16-SOIC00.0000
H11D3H11D3 Isocom Optocoupler 1-Channel 6-PDIP00.0000
H11D2H11D2 Isocom Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP00.0000
ISP847XISP847X Isocom Optoisolator 5.3KV 4 Channel 16DIP00.0000
ISP60SMISP60SM Isocom Solid State Relay 50MA 600V 6-SMD00.0000
ICPL3120ICPL3120 Isocom Gate Driver 5000Vrms 1 Channel 8-DIP00.0000
IS314WIS314W Isocom Gate Driver00.0000
IS480PIS480P Isocom Gate Driver 1 Channel 6-SO00.0000
H11L1SMT/RH11L1SM T/R Isocom Optoisolator 1MHz 6-SMD00.0000
6N1376N137 Isocom Optoisolator 10Mbps 8-DIP00.0000
ICPL2601SMT&RICPL2601SM T&R Isocom Optoisolator 10Mbps 8-SMD00.0000
SFH615A-2XSMT/RSFH615A-2XSMT/R Isocom Optoisolator Transistor 4-PDIP00.0000
TIL197SMT&RTIL197SM T&R Isocom Optocoupler Darlington 4-PDIP00.0000
MOC3063XSMT/RMOC3063XSM T/R Isocom Optoisolator Triac Output 5300Vrms 1 Channel SMDIP-600.0000
MOC3063XSMMOC3063XSM Isocom Optoisolator Triac SMDIP-600.0000