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LLDB3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LLDB3 product

LLDB3

Diodes - DIACs

DIACTrigger DiodePhase Control

The LLDB3 is a silicon bidirectional trigger diode (DIAC) housed in an LL-34 package, optimized for thyristor phase control circuits.

Best for

  • Phase control circuits
  • Lamp dimmers
  • Motor speed controllers

Avoid if

  • High-power applications exceeding 2A peak current

Check before use

  • Breakover voltage symmetry

Key specifications

Breakover Voltage
28 V - 36 V
Breakover Current
50 µA
Package
LL-34

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ControlMotor Control

CAD Models

Download ECAD models for LLDB3: 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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Alternative components

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

Design and risk insights

Questions & answers

The LLDB3 is a bidirectional trigger diode (DIAC) used to provide a trigger pulse for thyristors and TRIACs in AC power control applications.