SMDB3 - Diac

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 fluorescent lamp ballasts.

Features

VBO : 32 V and 40 V.
Low breakover current.
Breakover voltage symmetry : 3V.

STMicroelectronics

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Datasheet Details

Part number	SMDB3
Manufacturer	STMicroelectronics
File Size	194.18 KB
Description	Diac
Datasheet	SMDB3 Datasheet
Additional preview pages of the SMDB3 datasheet.

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Full PDF Text Transcription

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DB3, DB4, SMDB3 Datasheet Diac DO-35 2 3 1 SOT-23 Pin 1 and 3 must be shorted together Features • VBO : 32 V and 40 V • Low breakover current • Breakover voltage symmetry : 3V • ECOPACK®2 compliant Applications • Triggering device for Triac or SCR based motor / light dimmer • 32 V trigger device for oscillator circuit • Start up triggering in lighting ballast for CFL, TL or LED lamps 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 fluorescent lamp ballasts. The surface mount SOT23-3L package allows compact, SMD based designs for automated manufacturing.

Published: Jun 3, 2019 |