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DMP2120U-7

Public Made by Adom

by adom

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

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DMP2120U-7

Diodes Incorporated · MOSFETs · SOT-23

DMP2120U-7 from Diodes Incorporated, 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; the datasheet gives a gate-source voltage rating of ±8V and a threshold of -0.4V to -1.0V at VDS = VGS, ID = -250µA.
2 S passive Source; the continuous body diode forward current is -1.3A (Note 6), and the drain-source voltage rating is -20V.
3 D passive Drain; the datasheet gives a drain-source voltage of -20V and a continuous drain current of -3.8A at TA = +25°C, VGS = -4.5V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
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 VDSS -20 V 2
Gate-Source Voltage VGSS -8 8 V 2
Continuous Drain Current (Note 6), TA = +25°C ID -3.8 A VGS = -4.5V, steady state, TA = +25°C 2
Continuous Drain Current (Note 6), TA = +70°C ID -3 A VGS = -4.5V, steady state, TA = +70°C 2
Maximum Continuous Body Diode Forward Current (Note 6) IS -1.3 A 2
Pulsed Drain Current IDM -20 A 10µs pulse, duty cycle = 1% 2
Total Power Dissipation (Note 5) PD 0.8 W Note 5: FR-4 PCB, 2oz copper, minimum recommended pad layout 2
Total Power Dissipation (Note 6) PD 1.3 W Note 6: FR-4 PCB, 2oz copper, 1inch square copper plate 2
Thermal Resistance, Junction to Ambient (Note 5), Steady State RθJA 163 °C/W Note 5: steady state 2
Thermal Resistance, Junction to Ambient (Note 5), t<10s RθJA 114 °C/W Note 5: t<10s 2
Thermal Resistance, Junction to Ambient (Note 6), Steady State RθJA 94 °C/W Note 6: steady state 2
Thermal Resistance, Junction to Ambient (Note 6), t<10s RθJA 66 °C/W Note 6: t<10s 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Drain-Source Breakdown Voltage BVDSS -20 V VGS = 0V, ID = -250μA 2
Zero Gate Voltage Drain Current, TJ = +25°C IDSS -1 μA VDS = -20V, VGS = 0V 2
Gate-Source Leakage IGSS -100 100 nA VGS = ±8V, VDS = 0V 2
Gate Threshold Voltage VGS(TH) -0.4 -1 V VDS = VGS, ID = -250μA 2
Static Drain-Source On-Resistance RDS(ON) 51 62 mΩ VGS = -4.5V, ID = -4.2A 2
Static Drain-Source On-Resistance RDS(ON) 71 90 mΩ VGS = -2.5V, ID = -3.4A 2
Static Drain-Source On-Resistance RDS(ON) 116 150 mΩ VGS = -1.8V, ID = -2.0A 2
Diode Forward Voltage VSD -0.7 -1.1 V VGS = 0V, IS = -1A 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing PC Body Diode Reverse Recovery Charge QRR, 1.9, nC IS = -2.0A, di/dt = -100A/μs Notes: 5. Device mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout. 2
contacts Copper tin • Terminals: FinishMatte Tin Annealed over Copper Lead-Frame. 1

CAD (KiCad official)

  • Symbol: DMP2120U-7
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: dmp2120u-7-etched.step / dmp2120u-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dmp2120u-7.step / dmp2120u-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 00120a124486bf97, retrieved 2026-10-17, 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