STMicroelectronics SMDB3 DIAC 36V, 1A, 3-Pin SOT-23

ST Microelectronics 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.

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The DIAC, or 'diode for alternating current', is a diode that conducts current only after its breakover voltage has been reached momentarily.