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TIP107

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

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TIP107

STMicroelectronics · Darlington Transistors · TO-220

TIP107 from STMicroelectronics, 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 B input Base of the Darlington transistor, with internal R1 typ. 5 kΩ and R2 typ. 150 Ω; VEBO max 5 V and IB max 1 A (values negative for PNP TIP107).
2 C passive Collector (also connected to the metal tab), with VCBO and VCEO of 100 V, IC max 8 A and ICM 15 A (values negative for PNP TIP107), and an integrated antiparallel collector-emitter diode.
3 E passive Emitter of the Darlington transistor, with the integrated antiparallel collector-emitter diode connected between emitter and collector.

Key specifications

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

CAD (KiCad official)

  • Symbol: TIP107
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220 (KiCad packages3D, STEP)
  • 3D model files: tip107-etched.step / tip107-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tip107.step / tip107.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (4 pp, sha256 4238c6fc76fd220a, retrieved 2026-10-03, 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