SMDB3 Datasheet, STMicroelectronics

* VBO : 32 V and 40 V
* Low breakover current
* Breakover voltage symmetry : 3V
* ECOPACK®2 compliant Applications
* Triggering device for Triac or SC.

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

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 al.