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MOC3022M from LITEON

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MOC3022M

Manufacturer: LITEON, FSC, FAIRCHILD

6-Pin DIP 400V Random Phase Triac Driver Output Optocoupler

Partnumber Manufacturer Quantity Availability
MOC3022M LITEON, FSC, FAIRCHILD 11455 In Stock

Description and Introduction

6-Pin DIP 400V Random Phase Triac Driver Output Optocoupler # Introduction to the MOC3022M Optocoupler  

The MOC3022M is a widely used optocoupler designed for interfacing low-voltage control circuits with high-voltage AC loads. It integrates a gallium arsenide infrared LED and a light-activated silicon bilateral switch (TRIAC driver), providing electrical isolation between input and output. This isolation enhances safety and prevents noise interference in sensitive control circuits.  

Key features of the MOC3022M include a high isolation voltage (up to 5300 Vrms), zero-crossing detection, and a compact DIP-6 package. The zero-crossing function ensures that the TRIAC triggers only when the AC voltage crosses zero, reducing electromagnetic interference (EMI) and minimizing inrush currents. This makes the component ideal for applications such as solid-state relays, motor controls, and lighting dimmers.  

With a maximum input current of 15 mA and an output blocking voltage of 400 V, the MOC3022M is well-suited for driving small to medium AC loads. Its robust design ensures reliable performance in industrial and consumer electronics, where precise and safe switching is required.  

Engineers often choose the MOC3022M for its simplicity, efficiency, and compliance with safety standards. When designing circuits with this optocoupler, proper heat dissipation and current-limiting resistors must be considered to ensure optimal operation and longevity.  

Overall, the MOC3022M is a versatile and dependable solution for AC load control in a variety of electronic systems.

Application Scenarios & Design Considerations

6-Pin DIP 400V Random Phase Triac Driver Output Optocoupler

Alternative Part Number

  • K3022P --: Optocoupler triac driver with 400V blocking voltage and 10mA trigger current, functionally equivalent to the MOC3022M in DIP-6 package.
  • TLP3022 --: Phototriac coupler with similar 400V peak off-state voltage and 10mA LED trigger current, a common drop-in replacement for MOC3022 series.
  • PC3022 --: Triac driver optocoupler rated 400V with comparable trigger current, suitable substitute for MOC3022M in isolated triac control circuits.
  • EL3022 --: Random-phase triac driver optocoupler rated at 400V VDRM, widely available and pin-compatible with the MOC3022M in DIP-6 packages.

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