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P0109AL 5AA4 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

P0109AL 5AA4 product

P0109AL 5AA4

Thyristors - SCRs

SCRThyristorSensitive GateSOT23-3L

The P0109AL is a highly sensitive 0.25 A SCR thyristor optimized for low-power, noise-sensitive applications in a compact SOT23-3L package.

Best for

  • Low-power sensing
  • Noise-sensitive circuits
  • Compact SMD designs

Avoid if

  • High-current switching applications exceeding 0.25 A

Check before use

  • Gate trigger current levels
  • Thermal management on PCB

Key specifications

RMS On-State Current
0.25 A
Gate Trigger Current
1 µA
Repetitive Peak Off-State Voltage
100 V

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Smoke DetectorsPower Supplies

Datasheet

DSAP0041292.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for P0109AL 5AA4: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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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Where to Buy

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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

It is a sensitive-gate SCR thyristor from STMicroelectronics, rated for 0.25 A and 100 V, specifically designed for applications where gate current is limited.