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2SD1898

Public Made by Adom

by adom

Changjing Bipolar (BJT), SOT-89-3L. 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 Publish 0.1.0 · Ray 16d ago
viewers 2sd1898: viewers · Ray 16d ago
2sd1898-etched.glb 2sd1898: factory component page (tier=lcsc) · Ray 16d ago
2sd1898-etched.step 2sd1898: factory component page (tier=lcsc) · Ray 16d ago
2sd1898-hero.glb 2sd1898: hero GLB from the etched model (keeps the MPN mark) · Ray 16d ago
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2sd1898.lbr Publish 0.1.0 · Ray 16d ago
2sd1898.step Publish 0.1.0 · Ray 16d ago
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2SD1898

Changjing · Bipolar (BJT) · SOT-89-3L

2SD1898 from Changjing, in a SOT-89-3L. 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 passive Base terminal of the NPN transistor; the datasheet gives emitter-base breakdown voltage V(BR)EBO of 5 V minimum and tests VCE(sat) at IB = 20 mA with IC = 500 mA.
2 COLLECTOR passive Collector terminal of the NPN transistor; the datasheet rates VCBO at 100 V, VCEO at 80 V, continuous IC at 1 A, and PC at 500 mW.
3 EMITTER passive Emitter terminal of the NPN transistor; the datasheet rates VEBO at 5 V and tests emitter cut-off current IEBO at VEB = 4 V.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-89-3L
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: 2SD1898
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3L (KiCad packages3D, STEP)
  • 3D model files: 2sd1898-etched.step / 2sd1898-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sd1898.step / 2sd1898.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (2 pp, sha256 fc0a8bc4f3d6e1bd, 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