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Contents

README

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SP20N09T1

Siliup · MOSFETs · SOT-23-3L

SP20N09T1 from Siliup, in a SOT-23-3L. 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; gate-source voltage limited to ±12 V, threshold 0.5 to 1.5 V at ID=250µA, gate leakage max ±100 nA.
2 S passive Source; connects to the body diode anode, continuous drain current 7 A and pulsed 28 A.
3 D passive Drain; drain-source voltage rated 20 V, RDS(on) 10 mΩ typ at VGS=4.5V and 13 mΩ typ at VGS=2.5V.

Key specifications

Parameter Value
Manufacturer Siliup
Package SOT-23-3L
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 BVDSS 20 V VGS=0V, ID=250µA 2
Drain-Source Leakage Current IDSS 1 uA VDS=16V, VGS=0V 2
Gate-Source Leakage Current IGSS -100 100 nA VGS=±12V, VDS=0V 2
Gate Threshold Voltage VGS(th) 0.5 0.7 1.5 V VDS=VGS, ID=250µA 2
Static Drain-Source On-Resistance (VGS=4.5V) RDS(ON) 10 13 mΩ VGS=4.5V, ID=6A 2
Static Drain-Source On-Resistance (VGS=2.5V) RDS(ON) 13 18 mΩ VGS=2.5V, ID=5A 2
Diode Forward Voltage VSD 1.2 V VGS=0V, IS=1A, TJ=25℃ 2
Drain-Source Voltage VDSS 20 V 2
Gate-Source Voltage VGSS -12 12 V 2
Continuous Drain Current ID 7 A 2
Pulse Drain Current Tested IDM 28 A 2
Power Dissipation PD 1.25 W 2
Storage Temperature Range TSTG -55 150 °C 2
Operating Junction Temperature Range TJ -55 150 °C 2
Thermal Resistance Junction-to-Ambient RθJA 100 °C/W 2

CAD (KiCad official)

  • Symbol: SP20N09T1
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3L (KiCad packages3D, STEP)
  • 3D model files: sp20n09t1-etched.step / sp20n09t1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sp20n09t1.step / sp20n09t1.glb are the bare package body.

Provenance

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

  • Datasheet: Siliup datasheet (5 pp, sha256 cdaaf6604d455c20, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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