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SMDB3 Diac

SMDB3 Description

DB3, DB4, SMDB3 Datasheet Diac DO-35 2 3 1 SOT-23 Pin 1 and 3 must be shorted together .
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 c.

SMDB3 Features

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

SMDB3 Applications

* Triggering device for Triac or SCR based motor / light dimmer
* 32 V trigger device for oscillator circuit

📥 Download Datasheet

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Diac STMicroelectronics
STMicroelectronics SMDB3-like datasheet