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DB3 - DIAC

General Description

Functioning as a trigger diode with a fixed voltage reference, the DB3/DB4 series can be used in conjunction with triacs for simplified gate control circuits or as a starting element in fluorenscent lamp ballasts.

Key Features

  • s VBO : 32V and 40V s LOW.

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Other Datasheets by STMicroelectronics

Part Number Description
DB3TG DIAC

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DB3 DB4 SMDB3 ® DIAC FEATURES s VBO : 32V and 40V s LOW BREAKOVER CURRENT DESCRIPTION Functioning as a trigger diode with a fixed voltage reference, the DB3/DB4 series can be used in conjunction with triacs for simplified gate control circuits or as a starting element in fluorenscent lamp ballasts. A new surface mount version is now available in SOT-23 package, providing reduced space and compatibility with automatic pick and place equipment. DO-35 (DB3 and DB4) 2 3 1 SOT-23 (SMDB3)* Pin 1 and 3 must be shorted together ABSOLUTE MAXIMUM RATINGS (limiting values) Symbol Parameter ITRM Repetitive peak on-state current tp = 20 µs F= 120 Hz Tstg Storage temperature range Tj Operating junction temperature range Value Unit SMDB3 1.00 A DB3 / DB4 2.