Reliable Optoelectronic Devices & Optocouplers for Industry Communication

Fairchild Semiconductor is a leader in the design and production of optoelectronics devices. We offer optocouplers for low bandwidth/general switching applications, high performance optocouplers for high bandwith/high-gain applications, high-voltage optocouplers, infrared components, and other customized products that provide unique characteristics.

Our broad range of optoelectronic & optocoupler devices combine numerous input and output configurations to reduce power consumption and provide superior noise immunity for your designs.

Why Choose Fairchild's Optoelectronic Devices

Fairchild's high performance optocouplers offers
superior noise immunity due to our proprietary coplanar packaging technology, Optoplanar®. (See figure 1.)

  • With their high speed data rates, these optocouplers are ideal
    for high speed data communication.
  • All of ouroptoelectronics products are lead (Pb) free and RoHS compliant.
  • In addition, they are certified by major safety regulatories.
  • Available in 3.3V and 5V supply voltages.
  • Bandwidth capability of up to 15Mbit/s
  • Meet or exceed safety regulatory standards.
  • High isolation voltage up to 5kV.
Figure 1: Optoplanar® Packaging Technology
Figure 1: Optoplanar® Packaging Technology

Additionally, to meet the growing demands of today's designs, Fairchild offers optocouplers capable of withstanding operating temperatures up to +125°C. The Microcoupler™ devices,designed in ball-grid array (BGA) package, are the only plastic package optocouplers capable of meeting this temperature limit enabling improved Current Transfer Ratio (CTR) stability at elevated temperatures. Our 4-Pin full pitch MFP and 4-Pin DIP, phototransistor output optocouplers are all rated with a maximum operation temperature of +110°C.

Application Notes

Application NoteFunction/ProductsDescription
AN-3004Optoelectronics, Rectifiers, TRIAC Driver Optocouplers, Optoelectronics,
Applications of Zero Voltage Crossing Optically Isolated Triac Drivers
AN-3008Optoelectronics, Rectifiers, Small Signal Diodes, Small Signal BJTs, TRIAC Driver Optocouplers, Optoelectronics,
1N4001, 1N914,
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RC Snubber Networks for Thyristor Power Control and Transient Suppression
AN-3006Timing, High Speed Logic Gate, Optoelectronics, Rectifiers, TRIAC Driver Optocouplers, Optoelectronics,
1N4001, H11L1M,
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Optically Isolated Phase Controlling Circuit Solution
AN-3003Inverters, NAND Gates, Optoelectronics, Phototransistor Output - AC Sensing Input, Random Phase TRIAC Driver, Rectifiers, Small Signal BJTs, TRIAC Driver Optocouplers,
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Applications of Non Zero Crossing Triac Drivers Featuring the MOC3011
AN-52413-Phase Drivers, AC-DC Linear Regulators, USB Accessory Detection Switches, Advanced Current Limited Load Switches, All Drivers, Ambient Light Sensors, Amplifiers, Analog & Mixed Signal, Analog Switches, AND Gates,
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Guidelines for Pb-Free Soldering of Fairchild Components Based on JEDEC® J-STD 20D / IEC EN 61760-1:2006
AN-3002High Performance Transistor, High Speed Logic Gate, Optoelectronics, Phototransistor Optocouplers, Optoelectronics,
6N137M, 6N138M
Low Current Input Circuit Ideas
AN-3009IGBT/MOSFET Gate Drivers, Optoelectronics,
FOD3120, FOD3182, FOD3184,
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Standard Gate-Driver Optocouplers
AN-5073IGBT/MOSFET Gate Drivers, Optoelectronics,
FOD8318, FOD8332
Active Miller Clamp Technology
AN-3001Inverters, NAND Gates, Optoelectronics, Phototransistor Optocouplers, Phototransistor Output - AC Sensing Input, Phototransistor Output - DC Sensing Input,
Show More ...
Optocoupler Input Drive Circuits
AN-3007High Performance Optocouplers, Optoelectronics, Specific Function, Optoelectronics,
MID400 Power Line Monitor
AN-3005Optoelectronics, Phototransistor Optocouplers, OptoelectronicsDesign Fundamentals for Phototransistor Circuits


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