ProjectsPricingInsights

DB4 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

DB4 product

DB4

Amplifiers

DIACTrigger DiodePhase Control

The DB4 is a standard bidirectional trigger DIAC used for phase control applications.

Best for

  • Lamp dimming circuits
  • Motor speed control
  • Heat control systems

Avoid if

  • High-precision voltage reference applications requiring low drift

Check before use

  • Triac gate sensitivity

Key specifications

Breakover Voltage
35 V - 45 V
Peak Current
2.0 A
Package
DO-35

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH info available upon request
MSL
Not Applicable
ECCN
-
HTSUS
-

Application

Power ControlMotor Control

CAD Models

Download ECAD models for DB4: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

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

Design and risk insights

Questions & answers

The DB4 is a silicon bidirectional trigger diode (DIAC) designed to provide a fixed voltage reference for triggering thyristors or triacs in AC power control circuits.