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BTB08-800TWRG

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by adom

STMicroelectronics Thyristors (SCR)/Modules, TO-220AB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BTB08-800TWRG

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

BTB08-800TWRG 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 A1 passive Main terminal A1, the reference terminal for gate triggering (the datasheet gives VGT, IGT and IH with A2 referenced to A1).
2 A2 passive Main terminal A2, which is also connected to the metal tab on the non-insulated TO-220AB. It carries up to 8 A rms on-state current and is rated for 800 V VDRM/VRRM on this BTB08-800TW part.
3 G input Gate trigger input; the TW version triggers with IGT max 5 mA (VD = 12 V, RL = 30 Ω) and VGT max 1.2 V in quadrants I-II-III.

Key specifications

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

CAD (KiCad official)

  • Symbol: BTB08-800TWRG
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220AB (KiCad packages3D, STEP)
  • 3D model files: btb08-800twrg-etched.step / btb08-800twrg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); btb08-800twrg.step / btb08-800twrg.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (21 pp, sha256 ad680880278c15e3, retrieved 2026-10-11, tier: lcsc)
  • 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