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DB4 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

DB4 product

DB4

Amplifiers

DiacTriggerThyristor

The DB4 is a silicon bidirectional diac designed for triggering thyristors in phase control applications like lamp dimming and motor speed control.

Best for

  • Thyristor triggering
  • Phase control circuits

Avoid if

  • High-power switching applications exceeding 2A peak current

Check before use

  • Breakover voltage symmetry and temperature derating

Key specifications

Breakover Voltage
35V - 45V
Breakover Current
100 uA
Peak On-state Current
2 A

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Motor ControlPower Control

Datasheet

cd7278afaefffce578bb0c6026c3e6c2_2209151800_LGE-DB4_C5158976.pdf

800 KB

Datasheet AI

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
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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 DB4 is a three-layer, two-terminal, axial-lead silicon bidirectional diac used primarily for triggering thyristors.