MAC12HCD

Triacs Overview

The MAC12HCD is a silicon bidirectional thyristor (TRIAC) manufactured by onsemi, housed in a TO-220AB package. It features a maximum repetitive peak off-state voltage of 400V and an RMS on-state current rating of 12A. The device is designed for full-wave AC control applications, providing robust performance in power switching environments requiring reliable triac functionality.

Triacs Feature Summary

• Designed primarily for full-wave AC control applications
• Suitable for motor controls, heating controls, or dimmers

Triacs Applications

• Motor controls
• Heating controls
• Dimmers

Triacs Procurement Notes

Verify the specific part number suffix against official onsemi documentation to ensure correct voltage and current ratings. Confirm that the TO-220AB package matches system requirements. Cross-reference datasheets from authorized distributors to validate component authenticity and technical specifications before procurement.

Triacs Selection Notes

Select this component when full-wave AC control is required with a 12A RMS current capacity and 400V blocking voltage. Ensure the thermal management design supports the TO-220AB package dissipation characteristics. Verify compatibility with gate drive circuits for standard TRIAC triggering requirements.

Triacs Part Context

This component belongs to the family of 12 Amperes RMS TRIACs rated from 400 to 800 Volts offered by onsemi. These devices are engineered for industrial and consumer power control applications, providing a standardized solution for high-current AC switching tasks within the broader discrete semiconductor portfolio.

Triacs Replacement Considerations

Equivalent parts include MAC12HCM and MAC12HCN from the same manufacturer series. Verify pinout compatibility and electrical parameters such as holding current and gate trigger voltage when substituting.