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SDM021NU02S

Public Made by Adom

by adom

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

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SDM021NU02S

SINEDEVICE · MOSFETs · SOT-23

SDM021NU02S from SINEDEVICE, 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; gate-source voltage limited to ±12V maximum, threshold 0.5V min to 1V max at ID=250μA.
2 S passive Source; body-diode continuous current to 6.5A, continuous drain current 6.5A at TA=25°C.
3 D passive Drain; drain-source voltage rated 20V maximum, pulsed drain current 26A.

Key specifications

Parameter Value
Manufacturer SINEDEVICE
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 BVDSS 20 V ID=250μA, VGS=0V 2
Zero Gate Voltage Drain Current IDSS 1 μA VDS=20V, VGS=0V 2
Zero Gate Voltage Drain Current (TJ=55℃) IDSS 5 μA VDS=20V, VGS=0V, TJ=55℃ 2
Gate-Body Leakage Current IGSS -100 100 nA VDS=0V, VGS=±12V 2
Gate Threshold Voltage VGS(th) 0.5 0.7 1 V VDS=VGS, ID=250μA 2
Static Drain-Source On-Resistance RDS(ON) 15 21 mΩ VGS=4.5V, ID=4A 2
Static Drain-Source On-Resistance RDS(ON) 18 30 mΩ VGS=2.5V, ID=3A 2
Diode Forward Voltage VSD 0.8 1 V IS=3A, VGS=0V 2
Drain-Source Voltage VDS 20 V 1
Gate-Source Voltage VGS -12 12 V 1
Continuous Drain Current ID 6.5 A TA=25℃ 1
Continuous Drain Current ID 4.1 A TA=100℃ 1
Power Dissipation PD 1.3 W TA=25℃ 1
Power Dissipation PD 0.5 W TA=100℃ 1
Avalanche Energy EAS 17 mJ note (3): L=0.1mH, VGS=10V, VDS=10V 1
Junction and Storage Temperature Range TJ, TSTG -55 150 ℃ 1
Thermal resistance from junction to ambient RθJA 94 ℃/W 2

CAD (KiCad official)

  • Symbol: SDM021NU02S
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: sdm021nu02s-etched.step / sdm021nu02s-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sdm021nu02s.step / sdm021nu02s.glb are the bare package body.

Provenance

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

  • Datasheet: SINEDEVICE datasheet (7 pp, sha256 1df0cf5c6147b61b, 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