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MOC213M from FSC,Fairchild Semiconductor

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MOC213M

Manufacturer: FSC, FAIRCHILD

8-Pin SOIC Phototransistor Output Optocoupler

Partnumber Manufacturer Quantity Availability
MOC213M FSC, FAIRCHILD 1820 In Stock

Description and Introduction

8-Pin SOIC Phototransistor Output Optocoupler # Introduction to the MOC213M Optocoupler  

The MOC213M is a high-performance optocoupler designed to provide electrical isolation between input and output circuits. It consists of an infrared LED optically coupled to a phototransistor, ensuring reliable signal transmission while maintaining galvanic isolation. This component is widely used in applications requiring noise immunity, voltage level shifting, and protection against high-voltage transients.  

Key features of the MOC213M include a high isolation voltage, fast response time, and a compact DIP (Dual In-line Package) form factor. Its robust design makes it suitable for industrial controls, power supply feedback circuits, and communication interfaces where electrical noise and voltage spikes are common concerns.  

The optocoupler operates with a wide input current range, allowing compatibility with various logic levels and microcontroller interfaces. The phototransistor output can be easily integrated into switching circuits or analog signal conditioning systems. Additionally, the MOC213M meets industry standards for reliability and performance, ensuring long-term stability in demanding environments.  

Engineers and designers often choose the MOC213M for its balance of cost-effectiveness and functionality. Whether used in motor control, medical equipment, or automation systems, this optocoupler provides a dependable solution for maintaining signal integrity across isolated circuits.  

For detailed specifications, refer to the manufacturer's datasheet to ensure proper implementation in your design.

Application Scenarios & Design Considerations

8-Pin SOIC Phototransistor Output Optocoupler

Alternative Part Number

  • PC817 --: Industry-standard optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in most circuits.
  • EL817 --: Direct functional equivalent to the MOC213M optocoupler with comparable current transfer ratio and isolation voltage.
  • TLP521 --: General-purpose phototransistor optocoupler offering similar performance and commonly used as a drop-in replacement.
  • 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 offering comparable isolation voltage and current transfer ratio, a common drop-in substitute.

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