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KRLML6401

Public Made by Adom

by adom

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

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KRLML6401

KEXIN · MOSFETs · SOT-23

KRLML6401 from KEXIN, 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 P-channel MOSFET; the absolute maximum gate-source voltage is ±8 V (VGS).
2 Source passive Source terminal of the P-channel MOSFET; the absolute maximum drain-source voltage is -12 V (VDS).
3 Drain passive Drain terminal of the P-channel MOSFET; continuous drain current is -4.3 A at VGS=-4.5 V and TA=25℃, with a 150 ℃ maximum junction temperature.

Key specifications

Parameter Value
Manufacturer KEXIN
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 -12 V 1
Gate-Source Voltage VGS -8 8 V 1
Continuous Drain Current ID -4.3 A VGS=4.5V @ TA=25℃ 1
Continuous Drain Current ID -3.4 A VGS=4.5V@ TA=70℃ 1
Pulsed Drain Current IDM -34 A Repetitive rating; pulse width limited by maximum junction temperature 1
Power Dissipation PD 1.3 W TA=25℃ 1
Power Dissipation PD 0.8 W TA=70℃ 1
Single Pulse Avalanche Energy EAS 33 mJ Starting TJ=25℃, L=3.5mH, RG=25Ω, IAS=-4.3A 1
Thermal Resistance Junction-to-Ambient RthJA 100 ℃/W 1
Junction Temperature TJ 150 ℃ 1
Junction and Storage Temperature Range Tstg -55 ℃ 1
Junction and Storage Temperature Range Tstg 150 ℃ 1
Drain-Source Breakdown Voltage VDSS -12 V ID=-250μA, VGS=0V 2
Zero Gate Voltage Drain Current IDSS -1 μA VDS=-12V, VGS=0V 2
Zero Gate Voltage Drain Current IDSS -25 μA VDS=-9.6V, VGS=0V, TJ= 55℃ 2
Gate-Body leakage current IGSS -100 100 nA VDS=0V, VGS=±8V 2
Gate Threshold Voltage VGS(th) -0.4 -0.55 -0.95 V VDS=VGS ID=-250μA 2
Static Drain-Source On-Resistance RDS(On) 50 mΩ VGS=-4.5V, ID=-4.3A 2
Static Drain-Source On-Resistance RDS(On) 85 mΩ VGS=-2.5V, ID=-2.5A 2
Static Drain-Source On-Resistance RDS(On) 125 mΩ VGS=-1.8V, ID=-2A 2
Total Gate Charge Qg 10 15 nC VGS=-5.0V, VDS=-10V, ID=-4.3A 2
Gate Source Charge Qgs 1.4 2.1 nC VGS=-5.0V, VDS=-10V, ID=-4.3A 2
Gate Drain Charge Qgd 2.6 3.9 nC VGS=-5.0V, VDS=-10V, ID=-4.3A 2
Body Diode Reverse Recovery Time trr 22 33 ns IF=-1.3A, dI/dt=-100A/μs 2
Body Diode Reverse Recovery Charge Qrr 8 12 nC IF=-1.3A, dI/dt=-100A/μs 2
Maximum Body-Diode Continuous Current IS 1.3 A 2
Diode Forward Voltage VSD -1.2 V IS=-1.3A, VGS=0V 2

CAD (KiCad official)

  • Symbol: KRLML6401
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: krlml6401-etched.step / krlml6401-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); krlml6401.step / krlml6401.glb are the bare package body.

Provenance

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

  • Datasheet: KEXIN datasheet (6 pp, sha256 a1131ca3061e6c20, retrieved 2026-10-17, 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