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2SD1664-R

Public Made by Adom

by adom

TWGMC Bipolar (BJT), SOT-89. 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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2SD1664-R

TWGMC · Bipolar (BJT) · SOT-89

2SD1664-R from TWGMC, in a SOT-89. 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 no pin-specific limit, and the emitter-base breakdown voltage V(BR)EBO is 5 V minimum.
2 EMITTER passive Emitter terminal of the NPN transistor; the absolute maximum emitter-base voltage VEBO is 5 V and the maximum DC collector current is 1 A.
3 COLLECTOR passive Collector terminal of the NPN transistor; the absolute maximum collector-base voltage VCBO is 40 V and the collector-emitter voltage VCEO is 32 V.

Key specifications

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

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
DC Current Gain (Group R) hFE 180 390 - VCE = 3 V, IC = 100 mA 1
Collector Base Breakdown Voltage V(BR)CBO 40 V IC = 50 µA 1
Collector Emitter Breakdown Voltage V(BR)CEO 32 V IC = 1 mA 1
Emitter Base Breakdown Voltage V(BR)EBO 5 V IE = 50 µA 1
Collector Cutoff Current ICBO 0.5 µA VCB = 20 V 1
Emitter Cutoff Current IEBO 0.5 µA VEB = 4 V 1
Collector Emitter Saturation Voltage VCE(sat) 0.4 V IC = 500 mA, IB = 50 mA 1
Collector Base Voltage VCBO 40 V 1
Collector Emitter Voltage VCEO 32 V 1
Emitter Base Voltage VEBO 5 V 1
Collector Current - DC IC 1 A 1
Collector Current - Pulse ICP 2 A Single pulse, PW = 100 ms 1
Total Power Dissipation (lower value) Ptot 0.5 W 1
Total Power Dissipation (higher value) Ptot 2 W Mounted on a 40 X 40 X 0.7 mm ceramic board 1
Junction Temperature TJ 150 °C 1
Storage Temperature Range TStg -55 150 °C 1

CAD (KiCad official)

  • Symbol: 2SD1664-R
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: 2sd1664-r-etched.step / 2sd1664-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sd1664-r.step / 2sd1664-r.glb are the bare package body.

Provenance

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

  • Datasheet: TWGMC datasheet (3 pp, sha256 a37095f916d8b50c, retrieved 2026-10-19, 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