MAC212A10

Triacs Overview

The MAC212A10 is a silicon bidirectional thyristor (Triac) designed for full-wave AC control applications. It features an on-state RMS current of 12 A at a case temperature of +85°C and supports a peak repetitive off-state voltage of 800 V. The device operates within a junction temperature range of -40 to +125°C and utilizes a TO-220AB package with a thermal resistance from junction to case of 2.0 °C/W. Gate triggering is guaranteed in all four modes, ensuring reliable switching performance.

Triacs Feature Summary

• Designed primarily for full-wave AC control applications such as light dimmers, motor controls, heating controls, and power supplies.
• Features diffused and glass passivated junctions to provide greater parameter uniformity and stability.
• Utilizes small, rugged Thermowatt construction for low thermal resistance, high heat dissipation, and durability.

Triacs Applications

• Light dimmers
• Motor controls
• Heating controls

Triacs Procurement Notes

Verify the specific ordering suffix when purchasing. The 'G' suffix indicates a lead-free package variant. Confirm the required blocking voltage rating, as the '10' designation corresponds to the 800 V model. Ensure the procurement documentation matches the exact part number to avoid confusion with the 600 V variant.

Triacs Selection Notes

Select this component based on the 800 V blocking voltage requirement and the 12 A RMS current capacity. Evaluate the thermal management needs against the specified junction-to-case thermal resistance. Verify that the gate trigger characteristics align with the driving circuit requirements across all four operating quadrants.

Triacs Part Context

This Triac belongs to the MAC212Ax series manufactured by onsemi. The series includes variants with different blocking voltages, specifically the MAC212A8 rated at 600 V and the MAC212A10 rated at 800 V. Both share identical current ratings and package configurations.

Triacs Replacement Considerations

The MAC212A8 serves as a direct substitute if the application requires only 600 V blocking voltage while maintaining the same 12 A current rating and TO-220AB package form factor.

Triacs FAQ

What is the maximum non-repetitive surge current?

The peak non-repetitive surge current is 100 A for one full cycle sine wave at 60 Hz with a case temperature of +25°C.

How does the holding current vary?

The typical holding current is 6.0 mA, with a maximum specified value of 50 mA under standard test conditions.

Is gate triggering guaranteed in all modes?

Yes, the datasheet specifies that gate triggering is guaranteed in all four modes (quadrants).