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PZT3904

Public Made by Adom

by adom

Changjing Bipolar (BJT), SOT-223. 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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docs pzt3904: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
viewers pzt3904: viewers · Ray 24d ago
package.json pzt3904: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
page.json pzt3904: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
pzt3904-etched.glb pzt3904: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
pzt3904-etched.step pzt3904: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
pzt3904-hero.glb pzt3904: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
pzt3904-hero.overlay.json pzt3904: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
pzt3904.glb Publish 0.1.0 · Ray 24d ago
pzt3904.kicad_mod Publish 0.1.0 · Ray 24d ago
pzt3904.kicad_sym Publish 0.1.0 · Ray 24d ago
pzt3904.lbr Publish 0.1.0 · Ray 24d ago
pzt3904.step Publish 0.1.0 · Ray 24d ago
README.md Publish 0.1.0 · Ray 24d ago

PZT3904

Changjing · Bipolar (BJT) · SOT-223

PZT3904 from Changjing, in a SOT-223. 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 BASE input Base terminal of the NPN transistor, with the datasheet's maximum emitter-base voltage (VEBO) of 6 V.
2 COLLECTOR passive Collector terminal of the NPN transistor, rated for a collector-base voltage (VCBO) of 60 V, collector-emitter voltage (VCEO) of 40 V and collector current (IC) of 200 mA.
3 EMITTER passive Emitter terminal of the NPN transistor, with the datasheet's maximum emitter-base voltage (VEBO) of 6 V.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-223
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: PZT3904
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223 (KiCad packages3D, STEP)
  • 3D model files: pzt3904-etched.step / pzt3904-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pzt3904.step / pzt3904.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (4 pp, sha256 9500a138a52e6b41, 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