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Contents

README

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KIRLML6401TRPBF

KUU · MOSFETs · SOT-23

KIRLML6401TRPBF from KUU, 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; gate-source voltage VGS is rated ±8 V.
2 SOURCE passive Source terminal of the P-channel MOSFET; the continuous source-drain diode current IS is rated -1.3 A.
3 DRAIN passive Drain terminal of the P-channel MOSFET; drain-source voltage VDS is rated -12 V and continuous drain current ID is -4.3 A.

Key specifications

Parameter Value
Manufacturer KUU
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 breakdown voltage V(BR)DSS -12 V VGS = 0V, ID = -250µA 2
Gate-source threshold voltage VGS(th) -0.4 -1 V VDS = VGS, ID = -250µA 2
Gate-source leakage IGSS -100 100 nA VDS = 0V, VGS = ±8V 2
Zero gate voltage drain current IDSS -1 µA VDS = -12V, VGS = 0V 2
Drain-source on-state resistance RDS(on) 50 mΩ VGS = -4.5V, ID = -4.3A 2
Drain-source on-state resistance RDS(on) 85 mΩ VGS = -2.5V, ID = -2.5A 2
Drain-source on-state resistance RDS(on) 125 mΩ VGS = -1.8V, ID = -2A 2
Diode forward voltage VSD -0.8 -1.2 V IS = -1A, VGS = 0V 2
Continuous source-drain diode current IS -1.3 A 2
Drain-source voltage VDS -12 V 1
Gate-source voltage VGS -8 8 V 1
Continuous drain current ID -4.3 A 1
Pulsed diode current IDM -34 A 1
Power dissipation PD 1.4 W 1
Thermal resistance from junction to ambient RθJA 100 ℃/W t≤5s 1
Operating junction temperature TJ 150 ℃ 1
Storage temperature TSTG -55 150 ℃ 1

CAD (KiCad official)

  • Symbol: KIRLML6401TRPBF
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: kirlml6401trpbf-etched.step / kirlml6401trpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); kirlml6401trpbf.step / kirlml6401trpbf.glb are the bare package body.

Provenance

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

  • Datasheet: KUU datasheet (3 pp, sha256 bc7f4ac69d0f1b77, 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