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T1210T-8T

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

componenttransistors-thyristorst1210t-8tfactory-2.0.0extractor-text

Verified T1210T-8T

by Ray · last 2 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

2 Nov 2026RayPublished by the parts factory: tier mfr, 3 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: T1210T-8T · TO-220AB-3 · 3 pins
  • ✓copper: 3 copper pads, none touching another net
  • ✓datasheet: all 3 pin names found in the 11-page datasheet
  • ✓distributor: lcsc C2971395, digikey 497-15251-5-ND, mouser 511-T1210T-8T
  • ✓family: TO-220-3_Vertical
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-oqt56qnl/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 3 pins = 3 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 3 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ t1210t-8t.kicad_sym✓ t1210t-8t.kicad_mod✓ t1210t-8t.step
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Symbol & Footprint

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Datasheet

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Contents

README

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T1210T-8T

STMicroelectronics · Thyristors (SCR)/Modules · TO-220AB-3

T1210T-8T from STMicroelectronics, in a TO-220AB-3. 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 1, the reference for A2 and gate polarity, carrying up to IT(RMS) = 12 A on-state RMS current at Tc = 131 °C.
2 A2 passive Main terminal 2, which blocks a repetitive peak off-state voltage VDRM/VRRM of 800 V at Tj = 125 °C and carries IT(RMS) = 12 A.
3 G input Gate trigger input needing IGT of at most 10 mA (VD = 12 V, RL = 30 Ω) and VGT of at most 1.3 V, with peak gate current IGM limited to 4 A (tp = 20 µs).

Key specifications

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

CAD (KiCad official)

  • Symbol: T1210T-8T
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220AB-3 (KiCad packages3D, STEP)
  • 3D model files: t1210t-8t-etched.step / t1210t-8t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); t1210t-8t.step / t1210t-8t.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (11 pp, sha256 8410cf1eb4d8fa6a, retrieved 2026-11-02, 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