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Contents

README

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P0102AL 5AA4

STMicroelectronics · Thyristors (SCR)/Modules · SOT-23

P0102AL 5AA4 from STMicroelectronics, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 A passive Anode terminal of the SCR; forms the main current path with the cathode, rated IT(RMS) 0.25 A and VDRM/VRRM 100 V.
2 G input Gate trigger input; typical/max trigger current IGT 200 µA, max VGT 0.8 V, peak gate current IGM 0.5 A, average gate power dissipation PG(AV) 0.02 W.
3 K passive Cathode terminal, the reference/return terminal for anode and gate currents; holding current IH max 6 mA at IT = 50 mA.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SOT-23
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: P0102AL 5AA4
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: p0102al-5aa4-etched.step / p0102al-5aa4-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); p0102al-5aa4.step / p0102al-5aa4.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: STMicroelectronics datasheet (8 pp, sha256 67f5ef0c3f8cc0d4, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-sonnet-5 (text+vision), consensus claude-opus-4-8 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF