component
STB140NF55T4
Public Made by Adomby adom
STMicroelectronics MOSFETs, D2PAK. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSTB140NF55T4
STMicroelectronics · MOSFETs · D2PAK
STB140NF55T4 from STMicroelectronics, in a D2PAK. 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 | G | input | Gate control terminal; gate-source voltage rating is ±20 V and gate threshold voltage VGS(th) is 2 to 4 V. |
| 2 | D | passive | Drain terminal, also connected to the tab; drain-source breakdown voltage V(BR)DSS is 55 V and continuous drain current ID is 80 A. |
| 3 | S | passive | Source terminal; source-drain current ISD rating is 80 A with forward on voltage VSD of 1.5 V at ISD=80A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | D2PAK |
| Category | Transistors/Thyristors |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
STB140NF55T4 - Footprint:
Package_TO_SOT_SMD:TO-263-2 - 3D model: D2PAK (KiCad packages3D, STEP)
- 3D model files:
stb140nf55t4-etched.step/stb140nf55t4-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stb140nf55t4.step/stb140nf55t4.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (15 pp, sha256
5089494f9c17b6c2, retrieved 2026-09-24, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-sonnet-5(text+vision), consensusclaude-opus-4-8(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).