component

KY2302S

Public Made by Adom

by adom

KY MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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KY2302S

KY · MOSFETs · SOT-23

KY2302S from KY, in a SOT-23. 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; gate-source voltage is rated at ±10 V (VGS).
2 S passive Source of the N-channel MOSFET; the source-drain diode forward voltage is 1.2 V max at VGS=0 V and IS=1 A.
3 D passive Drain of the N-channel MOSFET; rated at 20 V drain-source voltage (VDS) and 2 A continuous drain current (ID).

Key specifications

Parameter Value
Manufacturer KY
Package SOT-23
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 Voltage VDS 20 V Ta=25℃ 1
Gate-Source Voltage VGS -10 10 V Ta=25℃ 1
Continuous Drain Current ID 2 A Ta=25℃ 1
Pulsed Drain Current IDM 8 A Ta=25℃ 1
Maximum Power Dissipation PD 0.4 W Ta=25℃ 1
Junction Temperature TJ 150 ℃ 1
Storage Temperature Tstg -55 150 ℃ 1
Thermal Resistance from Junction to Ambient RθJA 312 ℃/W t ≤5s 1
Drain-source breakdown voltage V(BR)DSS 20 V VGS = 0V, ID =250µA 2
Zero gate voltage drain current IDSS 1 µA VDS =20V,VGS = 0V 2
Gate-body leakage current IGSS -100 100 nA VGS =±10V, VDS = 0V 2
Gate threshold voltage VGS(th) 0.5 0.7 1.2 V VDS = VGS, ID =250µA 2
Drain-source on-resistance RDS(on) 53 80 mΩ VGS =4.5V, ID =2A 2
Drain-source on-resistance RDS(on) 72 115 mΩ VGS =2.5V, ID =2A 2
Diode Forward voltage VSD 1.2 V VGS =0V, IS=1A 2
Turn-on delay time td(on) 7 15 nS VDD=10V, RL=5.5Ω, ID =3.6A, VGEN=4.5V, Rg=6Ω 2
Rise time tr 55 80 nS VDD=10V, RL=5.5Ω, ID =3.6A, VGEN=4.5V, Rg=6Ω 2
Turn-off delay time td(off) 16 60 nS VDD=10V, RL=5.5Ω, ID =3.6A, VGEN=4.5V, Rg=6Ω 2
Fall time tf 10 25 nS VDD=10V, RL=5.5Ω, ID =3.6A, VGEN=4.5V, Rg=6Ω 2
Total gate charge Qg 4 10 nC VDS =10V,VGS =4.5V,ID =3.6A 2

CAD (KiCad official)

  • Symbol: KY2302S
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ky2302s-etched.step / ky2302s-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ky2302s.step / ky2302s.glb are the bare package body.

Provenance

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

  • Datasheet: KY datasheet (5 pp, sha256 a7453574e0f14ba3, retrieved 2026-10-20, 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