The DB3 by STMicroelectronics is a DIAC. Below is the official datasheet preview.
| Part number | DB3 |
|---|---|
| Manufacturer | STMicroelectronics |
| File Size | 201.59 KB |
| Description | DIAC |
| Datasheet |
 DB3_STMicroelectronics.pdf
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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. Pin 1 and 3 must be shorted together ABSOLUTE MAXIMUM RATINGS (limiting values) Symbol Pa
📁 DB3 Similar Datasheet
