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Contents

README

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TYN825RG

STMicroelectronics · Thyristors (SCR)/Modules · TO-220AB

TYN825RG from STMicroelectronics, in a TO-220AB. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 K passive Cathode of the SCR, the current return terminal for the on-state current rated at 25 A rms (IT(RMS)).
2 A passive Anode of the SCR, also connected to the metal tab, with repetitive peak off-state voltage VDRM/VRRM of 800 V for the TYN825RG.
3 G input Gate trigger input with a triggering gate current IGT of 4 mA min to 40 mA max, a peak gate current of 4 A and a maximum peak reverse gate voltage of 5 V.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package TO-220AB
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: TYN825RG
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220AB (KiCad packages3D, STEP)
  • 3D model files: tyn825rg-etched.step / tyn825rg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tyn825rg.step / tyn825rg.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (11 pp, sha256 611af89aa89263d5, retrieved 2026-11-05, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (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