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Contents

README

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SE2101

SINO IC · MOSFETs · SOT-23

SE2101 from SINO IC, 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 P-channel MOSFET; gate-source voltage limited to ±12 V, threshold VGS(th) -0.35 to -1 V at ID=-250µA.
2 S passive Source of the P-channel MOSFET; drain-source voltage rated -20 V.
3 D passive Drain of the P-channel MOSFET; continuous drain current -0.9 A, pulsed -3 A, RDS(ON) 280 mΩ typ at VGS=-4.5 V.

Key specifications

Parameter Value
Manufacturer SINO IC
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
Drain Current Continuous ID -0.9 A 1
Drain Current Pulsed ID -3 A Pulsed 1
Total Power Dissipation PD 250 mW TA=25℃ 1
Operating Junction Temperature Range TJ -55 150 ℃ 1
Drain-Source Breakdown Voltage BVDSS -20 V ID=250μA, VGS=0 V 2
Drain to Source Leakage Current IDSS -1 μA VDS= -16V, VGS=0V 2
Gate-Body Leakage Current IGSS 10 μA VGS= 12V 2
Gate Threshold Voltage VGS(th) -0.35 -0.6 -1 V VDS= VGS, ID=-250μA 2
Static Drain-Source On-Resistance RDS(ON) 280 300 mΩ VGS=-4.5V, ID=-1A 2
Static Drain-Source On-Resistance RDS(ON) 370 400 mΩ VGS=-2.5V, ID=-0.5A 2
Junction to Case Thermal Resistance RθJC 6.9 8 ℃/W 2
Junction to Ambient Thermal Resistance RθJA 52 62.5 ℃/W t≦10s 2

CAD (KiCad official)

  • Symbol: SE2101
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: se2101-etched.step / se2101-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); se2101.step / se2101.glb are the bare package body.

Provenance

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

  • Datasheet: SINO IC datasheet (4 pp, sha256 cd40f1475990d1d7, 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