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MOC8113 from FAI,Fairchild Semiconductor

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MOC8113

Manufacturer: FAI, MOT

6-Pin DIP Optoisolators Transistor Output(No Base Connection)

Partnumber Manufacturer Quantity Availability
MOC8113 FAI, MOT 897 In Stock

Description and Introduction

6-Pin DIP Optoisolators Transistor Output(No Base Connection) # Introduction to the MOC8113 Optocoupler  

The MOC8113 is an optocoupler (or optoisolator) designed to provide electrical isolation between input and output circuits while enabling signal transmission via an infrared LED and a phototransistor. This component is commonly used in applications requiring noise immunity, voltage level shifting, or safety isolation in industrial, automotive, and consumer electronics.  

Featuring a compact design, the MOC8113 ensures reliable performance in environments with high-voltage transients or electromagnetic interference (EMI). The internal LED activates the phototransistor when an input current is applied, allowing signals to pass without direct electrical connection. This isolation helps protect sensitive circuitry from voltage spikes, ground loops, and other potential hazards.  

Key specifications of the MOC8113 include a high isolation voltage, low input drive current requirements, and a fast response time, making it suitable for digital logic interfacing, power supply feedback circuits, and microcontroller-based systems. Its robust construction ensures durability in demanding conditions, while its industry-standard pinout simplifies integration into existing designs.  

Engineers often select the MOC8113 for its balance of performance, reliability, and cost-effectiveness. Whether used in motor control, signal conditioning, or communication interfaces, this optocoupler provides a dependable solution for maintaining signal integrity across isolated circuits.  

For detailed electrical characteristics and application guidelines, consulting the manufacturer's datasheet is recommended to ensure proper implementation in specific circuit designs.

Application Scenarios & Design Considerations

6-Pin DIP Optoisolators Transistor Output(No Base Connection)

Alternative Part Number

  • PC817 --: Industry-standard optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in most circuits.
  • 4N35 --: General-purpose phototransistor optocoupler with comparable isolation voltage and current transfer ratio, suitable drop-in replacement.
  • TLP521-1 --: Single-channel phototransistor optocoupler with similar CTR range and isolation, commonly used as an alternative to MOC series parts.
  • H11A1 --: Classic 6-pin phototransistor optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in most circuits.
  • 4N25 --: Standard 6-pin phototransistor optocoupler with comparable current transfer ratio and 2500V isolation, a common drop-in substitute.

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