Diac Db2 Datasheet Pdf 14 Top Guide

When downloading a , the document is structured into sections designed to guide hardware designers from prototyping to manufacturing. Here are the 14 standard elements you will locate inside: Datasheet - DB3, DB4, SMDB3 - Diac - STMicroelectronics

Also known as the switching voltage or breakback voltage, this is the difference between VBO and the lower holding voltage once the device is on. It is typically . A larger breakback voltage creates a more instantaneous, powerful, and sharper trigger pulse for the TRIAC.

Designed to consistently trigger at the designed voltage, reducing jitter in dimmer circuits. DB2 DIAC Operating Principle and Circuit Application diac db2 datasheet pdf 14 top

Note: The DB2 is often stocked as a “bidirectional diac” without a brand name, sourced from Asian manufacturers. If you cannot find DB2, replace it with a DB3, ER900, or HT-32 – they are electrically identical within tolerances.

): The difference between positive and negative breakover voltage is kept to a minimum (typically When downloading a , the document is structured

variants are more common in modern electronics, the DB2 remains a key component in legacy and specific phase-control circuits. Core Functionality and Structure

| Dimension | Min | Max | Unit | |-----------|-----|-----|------| | Body Length | 3.9 | 4.5 | mm | | Body Diameter | 1.8 | 2.2 | mm | | Lead Length | 25 | 30 | mm | | Lead Diameter | 0.45 | 0.55 | mm | A larger breakback voltage creates a more instantaneous,

) compared to the more common DB3 or DB4 is required for circuit stabilization.