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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. 

IL1 SFH615A-1 MOC3009 MOC8050 H11L1 PS2501-1 TIL111 TLP121 PC354
IL2 SFH615A-2 MOC3010 MOC8080 H11L2 PS2501-2 TIL113 TLP126 PC355
IL5 SFH615A-3 MOC3011 MOC8100 H11L3 PS2501-4 TIL114 TLP127 PC357
IL74 SFH615A-4 MOC3012 MOC8101 H11L4 PS2502-1 TIL116 TLP181 PC452
ILD1 SFH617A-1 MOC3020 MOC8102 H11AA1 PS2502-2 TIL117 TLP321 PC844 (IS844)
ILD2 SFH617A-2 MOC3021 MOC8103 H11AA2 PS2505-4 TIL119 TLP321-2 PC824 (IS824)
ILD5 SFH617A-3 MOC3022 MOC8104 H11AA3 PS2505-1 TIL128 TLP321-4 PC829 (IS829)
ILD74 SFH617A-4 MOC3023 MOC8106 H11AA4 PS2505-2 TIL191 TLP521 PC849 (IS849)
ILQ1 SFH618A-2 MOC3030 MOC8107 H11AA4 PS2505-4 TIL192 TLP521-2 PC827 (IS827)
ILQ2 SFH618A-3 MOC3031 MOC8108 MCT2 PS2701-1 TIL192A TLP521-4 PC847(IS847)
ILQ5 SFH620-1 MOC3032 MOC8112 MCT2E PS2702-1 TIL192B TLP620  >
ILQ74 SFH620-2 MOC3033 CNX 72A MCT6 PS2705-1 TIL193 TLP620-2  >
MCA230 SFH620-3 MOC3040 CNX 82A MCT61 PS2732-1 TIL193A TLP620-4  >
MCA255 SFH628A-3 MOC3042 H11AV1 MCT62   TIL193B TLP621
SFH600-1 SFH628A-4 MOC3043 H11AV2 MCT210   TIL194 TLP621-2  >
SFH600-2   MOC3051 H11AV3 MCT270   TIL194A TLP621-4  >
SFH600-3   MOC3052 H11D1 MCT271   TIL194B TLP624  >
SFH600-4   MOC3060 H11D2 MCT272   TIL197 TLP624-2  >
SFH601-1   MOC3061 H11D3 MCT273   TIL197A TLP624-4  >
SFH601-2   MOC3062 H11D4 MCT274  > TIL197B  >  >
SFH601-3   MOC3063 H11F1 MCT275  >  >  >  >
SFH601-4   MOC5007 H11F2 MCT276    >  >  >
SFH601-5   MOC5008 H11F3 MCT277    >  >  >
SFH609-2   MOC5009 H11G1 MCT2200    >  >  >
SFH609-3   MOC8021 H11G2 MCT2201    >  >  >
 >   MOC8030 H11G3  >    >  >  >


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 Number Product Name Qty Price (US$)  
4N35XG ISOCOM 4N35XG Optocoupler, Transistor Outputs 0 0.5000
MOC8111XG Isocom MOC8111XG Transistor Output Optocoupler 30V 5300V RMS DIP-6 0 0.4000
IS357A IS357A Isocom Optocoupler Transistor, 1 Channel Out 3.75kV 0 0.1500
ISP845-1SM Isocom ISP845-1SM Optocoupler 0 0.0000
ISP814X-SMT&R Isocom ISP814X-SMT/R Transistor Output Optocoupler 5.3KV DIP-4 250 0.5500
IS355 Isocom IS355 4 PIN OPTOCOUPLER (MARKED FPD1), 35V, IS355 RoHS 0 0.3500
SFH615A-2. ISOCOM SFH615A-2X Transistor Output Optocoupler, 1 Channel, 5.3 kV, 63 %, 50 mA, DIP, 4 Pins 0 0.0000
MCT2E Isocom MCT2E Optocoupler 0 0.5100
MCT2. Isocom MCT2 Optocoupler 0 0.5100
MOCD207. ISOCOM MOCD207 Optocoupler, 2 Channels, Out: transistor; 50mA 5V SMD 8Pin 0 0.6500
MOC3031 MOC3031 Optocoupler Triac AC-OUT 1-CH 6-Pin PDIP 0 0.0000
CNY17-2X-85 CNY17-2X-85 Isocom Transistor and Photovoltaic Output 0 0.0000
H22A1 H22A1 Isocom Phototransistor 3.3mm 4-Pin Rail 0 0.0000
IS40SMT&R IS40SMT&R Isocom Solid State Relay 120MA 400V 6-SMD 0 0.0000
ISP60SMT&R ISP60SMT&R Isocom Solid State Relay 50MA 600V 6-SMD 0 0.0000
IS2801-1 IS2801-4 Isocom Components Optoisolator Transistor Output 50mA 1.2V 16-SOIC 0 0.0000
H11D3 H11D3 Isocom Optocoupler 1-Channel 6-PDIP 0 0.0000
H11D2 H11D2 Isocom Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP 0 0.0000
ISP847X ISP847X Isocom Optoisolator 5.3KV 4 Channel 16DIP 0 0.0000
ISP60SM ISP60SM Isocom Solid State Relay 50MA 600V 6-SMD 0 0.0000
ICPL3120 ICPL3120 Isocom Gate Driver 5000Vrms 1 Channel 8-DIP 0 0.0000
IS314W IS314W Isocom Gate Driver 0 0.0000
IS480P IS480P Isocom Gate Driver 1 Channel 6-SO 0 0.0000
H11L1SMT/R H11L1SM T/R Isocom Optoisolator 1MHz 6-SMD 0 0.0000
6N137 6N137 Isocom Optoisolator 10Mbps 8-DIP 0 0.0000
ICPL2601SMT&R ICPL2601SM T&R Isocom Optoisolator 10Mbps 8-SMD 0 0.0000
SFH615A-2XSMT/R SFH615A-2XSMT/R Isocom Optoisolator Transistor 4-PDIP 4,000 0.0000
TIL197SMT&R TIL197SM T&R Isocom Optocoupler Darlington 4-PDIP 0 0.0000
MOC3063XSMT/R MOC3063XSM T/R Isocom Optoisolator Triac Output 5300Vrms 1 Channel SMDIP-6 0 0.0000
MOC3063XSM MOC3063XSM Isocom Optoisolator Triac SMDIP-6 0 0.0000
IS281 IS281 Isocom Optoisolator Transistor Output 3750Vrms 4-SOIC 140 0.0000
IS660X IS660X ISOCOM Optocoupler 200V DIP6 0 0.0000
ISP321-1BLXSMT&R ISP321-1BLX-SM T+R ISOCOM Optocoupler, Transistor Output 50mA 5.3kV 16-DIP 0 0.0000
ISP817XSM ISP817XSM Isocom Optoisolator Transistor Output 5300Vrms 4-DIP 0 0.0000
MOC3041XSM MOC3041XSM Isocom Optoisolator Triac Output 5300Vrms 15mA 6-DIP 0 0.0000
CNY17-3XG CNY17-3XG Isocom Transistor Output Optocoupler 5300V Isolation 6-PDIP 0 0.0000