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DB3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

DB3 product

DB3

Transistors

DIACTrigger DiodeAC Control

The DB3 is a bidirectional trigger diode (DIAC) used primarily for triggering triacs in AC power control circuits.

Best for

  • Triac gate control
  • Lamp ballasts
  • AC power control

Avoid if

  • High-speed switching applications outside of AC trigger circuits

Check before use

  • Breakover voltage symmetry and temperature stability

Key specifications

Breakover Voltage
28V - 36V
Max Breakover Current
100 µA
Peak On-state Current
2 A

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ControlIndustrial

Datasheet

2e72849f21295433ed355ee23dc7dedc_db3.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for DB3: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The DB3 is a bidirectional trigger diode (DIAC) designed to provide a stable trigger pulse for triacs in AC power control applications.