component

KY2302H

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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KY2302H

KY · MOSFETs · SOT-23

KY2302H 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 GATE input Gate terminal of the N-channel MOSFET; gate-source voltage is rated at ±12 V maximum.
2 SOURCE passive Source terminal of the N-channel MOSFET, the reference for VGS and the source side of the drain-source diode (VSD 1.3 V max at ISD=3 A).
3 DRAIN passive Drain terminal of the N-channel MOSFET; rated for 20 V drain-source voltage and 4 A continuous drain current.

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 1
Gate-Source Voltage VGS -12 12 V 1
Continuous Drain Current ID 4 A 1
Pulsed Drain Current IDM 16 A Repetitive rating, pulse width limited by max junction temperature (note 1) 1
Maximum Power Dissipation PD 0.84 W 1
Junction Temperature TJ 150 ℃ 1
Storage Temperature Tstg -55 150 ℃ 1
Thermal Resistance from Junction to Ambient RθJA 150 ℃/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 = 16V, VGS = 0V, TJ = 25℃ 2
Gate to Body Leakage Current IGSS -100 100 nA VGS = ±12V, VDS = 0V 2
Gate Threshold Voltage VGS(th) 0.4 0.7 1.1 V VDS = VGS, ID = 250μA 2
Static Drain-Source On-Resistance RDS(on) 24 35 mΩ VGS = 4.5V, ID = 4A 2
Static Drain-Source On-Resistance RDS(on) 29 50 mΩ VGS = 2.5V, ID = 3.1A 2
Total Gate Charge Qg 4 10 nC VDS = 10V, ID = 3.6A, VGS = 4.5V 2
Drain to Source Diode Forward Voltage VSD 1.3 V VGS = 0V, ISD = 3A, TJ = 25℃ 2
Input Capacitance Ciss 310 pF VDS = 10V, VGS = 0V, f = 1.0MHz 2
Output Capacitance Coss 125 pF VDS = 10V, VGS = 0V, f = 1.0MHz 2
Reverse Transfer Capacitance Crss 86 pF VDS = 10V, VGS = 0V, f = 1.0MHz 2
Gate-Source Charge Qgs 0.65 nC VDS = 10V, ID = 3.6A, VGS = 4.5V 2
Gate-Drain (Miller) Charge Qgd 1.5 nC VDS = 10V, ID = 3.6A, VGS = 4.5V 2
Turn-On Delay Time td(on) 8 ns VGS = 4.5V, VDS = 10V, RG = 6Ω, ID = 3.6A 2
Turn-On Rise Time tr 57 ns VGS = 4.5V, VDS = 10V, RG = 6Ω, ID = 3.6A 2
Turn-Off Delay Time td(off) 17 ns VGS = 4.5V, VDS = 10V, RG = 6Ω, ID = 3.6A 2
Turn-Off Fall Time tf 12 ns VGS = 4.5V, VDS = 10V, RG = 6Ω, ID = 3.6A 2
Forward Transconductance gfs 9 S VDS = 5V, ID = 3.6A 2

CAD (KiCad official)

  • Symbol: KY2302H
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ky2302h-etched.step / ky2302h-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ky2302h.step / ky2302h.glb are the bare package body.

Provenance

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

  • Datasheet: KY datasheet (5 pp, sha256 bac061fe9ca7fdaf, retrieved 2026-10-16, 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