IC Phoenix logo

Home ›  M  › M154 > MOC3022X

MOC3022X from DVE

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

MOC3022X

Manufacturer: DVE, TFK

OPTICALLY COUPLED BILATERAL SWITCH NON-ZERO CROSSING TRIAC

Partnumber Manufacturer Quantity Availability
MOC3022X DVE, TFK 283 In Stock

Description and Introduction

OPTICALLY COUPLED BILATERAL SWITCH NON-ZERO CROSSING TRIAC # Introduction to the MOC3022X Optocoupler  

The MOC3022X is a high-performance optocoupler designed for solid-state relay (SSR) and AC switching applications. It integrates a gallium arsenide infrared LED optically coupled to a silicon bilateral switch, providing reliable electrical isolation between input and output circuits. This component is widely used in industrial controls, home automation, and power management systems where safe and efficient AC load switching is required.  

Key features of the MOC3022X include a zero-crossing detection circuit, which minimizes switching noise and reduces electromagnetic interference (EMI) by triggering the output only when the AC voltage crosses zero. This makes it particularly suitable for driving resistive or inductive loads such as heaters, motors, and solenoids. The device supports a peak off-state voltage of 400V, ensuring robust performance in standard AC line applications.  

With a compact DIP-6 package, the MOC3022X offers easy integration into PCB designs while maintaining high isolation voltage (up to 5,300V RMS). Its low input trigger current requirement (typically 15mA) allows compatibility with microcontroller and logic-level circuits. Additionally, the optocoupler’s high noise immunity ensures stable operation in electrically noisy environments.  

Engineers favor the MOC3022X for its reliability, efficiency, and ability to simplify AC load control without mechanical relays. Its zero-crossing capability and solid-state construction contribute to longer operational life and reduced maintenance in demanding applications.

Application Scenarios & Design Considerations

OPTICALLY COUPLED BILATERAL SWITCH NON-ZERO CROSSING TRIAC

Alternative Part Number

  • PC817 --: Widely available optocoupler with similar isolation function, though it is a transistor output type rather than triac driver; suitable for general isolation needs.
  • TLP521-1 --: Common single-channel optocoupler offering comparable isolation voltage and DIP package, a practical substitute when triac drive is not strictly required.
  • EL817 --: Low-cost optocoupler with similar pinout and isolation ratings, easy to source as a functional replacement in many circuits.
  • 4N25 --: Standard DIP-6 phototransistor optocoupler with 5 kV isolation and wide sourcing; useful fallback if the design can be adapted from a triac driver to a transistor output stage.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips