DB3-TP

Overview

The DB3-TP is a bidirectional trigger diode (DIAC) manufactured by Micro Commercial Components. It operates within a temperature range of -40°C to +125°C and belongs to the thyristor subcategory. This component functions as a symmetric two-terminal device designed for triggering other semiconductor switches, such as TRIACs or SCRs, in AC control circuits.

Feature Summary

• Symmetric bidirectional conduction characteristics for AC phase control applications
• Designed for reliable triggering of TRIACs and SCRs in light dimmers and motor speed controls
• Operates across an extended industrial temperature range from -40°C to +125°C

Applications

• TRIAC gate triggering in light dimmer circuits
• SCR triggering in motor speed control systems
• AC power switching and phase control circuits

Procurement Notes

Verify the specific manufacturer datasheet for the DB3-TP to confirm exact breakover voltage tolerances and package dimensions. Ensure compatibility with your circuit's peak current requirements before integration. Cross-reference official MCC documentation for any updates regarding RoHS compliance status or pinout configurations.

Selection Notes

Select this component when a symmetric trigger device is required for AC applications. Consider the operating temperature range and package availability relative to your PCB layout constraints. Verify that the breakover voltage aligns with your specific TRIAC or SCR gate drive requirements.

Part Context

The DB3-TP is part of Micro Commercial Components' DIAC product line, categorized under thyristors. It serves as a fundamental triggering element in AC power control designs. The 'TP' suffix typically denotes the specific packaging or tape-and-reel configuration offered by the manufacturer.