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2SK1658

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Changjing MOSFETs, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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2SK1658

Changjing · MOSFETs · SOT-323

2SK1658 from Changjing, in a SOT-323. 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 GATE input Gate terminal of the N-channel MOSFET, limited to a gate-source voltage VGS of ±7 V.
2 SOURCE passive Source terminal of the N-channel MOSFET, the reference for the 30 V drain-source and ±7 V gate-source ratings.
3 DRAIN passive Drain terminal of the N-channel MOSFET, rated for 30 V drain-source voltage and 0.1 A continuous drain current.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-323
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
Drain-Source Breakdown Voltage V(BR)DSS 30 V VGS = 0V, ID = 10µA 2
Zero Gate Voltage Drain Current IDSS 1 µA VDS = 30V, VGS = 0V 2
Gate-Source leakage current IGSS -1 1 µA VGS = ±3V, VDS = 0V 2
Gate Cut-off Voltage VGS(off) 0.9 1.5 V VDS = 3V, ID = 1µA 2
Drain-Source On-Resistance RDS(on) 10 Ω VGS = 4V, ID = 10mA 2
Drain-Source On-Resistance RDS(on) 15 Ω VGS = 2.5V, ID = 10mA 2
Drain-Source Voltage VDS 30 V 1
Gate-Source Voltage VGS -7 7 V 1
Continuous Drain Current ID 0.1 A 1
Power Dissipation PD 0.2 W 1
Junction Temperature TJ 150 ℃ 1
Storage Temperature Tstg -55 150 ℃ 1
Thermal Resistance from Junction to Ambient RθJA 625 ℃/W 1

CAD (KiCad official)

  • Symbol: 2SK1658
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: 2sk1658-etched.step / 2sk1658-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sk1658.step / 2sk1658.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (5 pp, sha256 8e74b0095343ee08, retrieved 2026-10-18, 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