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BTA12-800B

Public Made by Adom

by adom

KY TRIACs, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BTA12-800B

KY · TRIACs · TO-220

BTA12-800B from KY, in a TO-220. 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 T1 passive Main terminal 1 (T1) of the triac, the current return and gate reference terminal, carrying up to IT(RMS) 12 A at Tc=110°C.
2 T2 passive Main terminal 2 (T2) of the triac, rated for repetitive peak off-state voltage VDRM/VRRM of 800 V for the -800 version and IT(RMS) 12 A at Tc=110°C.
3 G input Gate trigger input (G) with gate trigger voltage VGT of at most 1.3 V at VD=12 V and RL=30 Ω.

Key specifications

Parameter Value
Manufacturer KY
Package TO-220
Category Transistors
Pins 3

CAD (KiCad official)

  • Symbol: BTA12-800B
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220 (KiCad packages3D, STEP)
  • 3D model files: bta12-800b-etched.step / bta12-800b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bta12-800b.step / bta12-800b.glb are the bare package body.

Provenance

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

  • Datasheet: KY datasheet (7 pp, sha256 4b7941769a7eb9cf, retrieved 2026-10-27, 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