DC34-AP

Overview

The DC34-AP is a silicon bidirectional DIAC manufactured by Micro Commercial Components. It features a breakover voltage range of 30 to 38V and supports a peak current of 2A. The component is housed in a DO-35G glass axial leaded package, suitable for surface mount or through-hole applications depending on the specific variant configuration. It operates within a junction temperature range of -40°C to 125°C.

Feature Summary

• Bidirectional triggering capability for symmetric AC control
• Glass passivated DO-35G axial leaded package construction
• High reliability design with sharp breakover characteristics

Applications

• Triac gate triggering circuits
• Light dimmer switch designs
• Motor speed control systems

Procurement Notes

Verify the exact suffix against official MCC documentation to confirm package type and compliance status. Ensure the breakover voltage range aligns with circuit requirements. Confirm moisture sensitivity level and storage conditions prior to assembly. Cross-reference datasheet revisions to ensure parameter consistency.

Selection Notes

Select this component for applications requiring reliable bidirectional triggering of thyristors. The DO-35G package offers compact sizing for standard PCB layouts. Consider the 30-38V breakover range when designing gate drive thresholds. Evaluate thermal management for high-frequency switching environments.

Part Context

This DIAC belongs to the family of silicon bidirectional trigger diodes designed for phase control applications. It serves as a gate trigger device for SCRs and TRIACs in AC power control circuits. The component provides consistent firing characteristics across varying line voltages.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.