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BSS138KT-TP

Public Made by Adom

by adom

MCC Micro Commercial Components MOSFETs, SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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bss138kt-tp-etched.glb bss138kt-tp: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
bss138kt-tp-etched.step bss138kt-tp: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
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bss138kt-tp.glb plain STEP: one free product with face colours (generated model was nested; tscircuit read it white) · Ray 17d ago
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bss138kt-tp.step plain STEP: one free product with face colours (generated model was nested; tscircuit read it white) · Ray 17d ago
package.json bss138kt-tp: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
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BSS138KT-TP

MCC Micro Commercial Components · MOSFETs · SOT-523

BSS138KT-TP from MCC Micro Commercial Components, in a SOT-523. 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 of the N-channel MOSFET, rated for a gate-source voltage of ±20 V (VGS).
2 S passive Source of the N-channel MOSFET; the body diode runs source to drain with a continuous body diode current rating of 0.25 A.
3 D passive Drain of the N-channel MOSFET, rated for a drain-source voltage of 50 V and a continuous drain current of 0.25 A.

Key specifications

Parameter Value
Manufacturer MCC Micro Commercial Components
Package SOT-523
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: BSS138KT-TP
  • Footprint: Package_TO_SOT_SMD:SOT-523
  • 3D model: SOT-523, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: bss138kt-tp-etched.step / bss138kt-tp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bss138kt-tp.step / bss138kt-tp.glb are the bare package body.

Provenance

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

  • Datasheet: MCC Micro Commercial Components datasheet (5 pp, sha256 38701c073bf55fca, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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