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DMP31D7LW-7

Public Made by Adom

by adom

DIODES INCORPORATED Global Sourcing Parts, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DMP31D7LW-7

DIODES INCORPORATED · Global Sourcing Parts · SOT-323

DMP31D7LW-7 from DIODES INCORPORATED, in a SOT-323. 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, ESD-protected by an internal gate protection diode to source; VGSS rating is ±20 V.
2 S passive Source terminal of the P-channel MOSFET; body diode forward current IS is -0.42 A max.
3 D passive Drain terminal of the P-channel MOSFET; VDSS is -30 V and continuous ID is -0.38 A at TA = +25°C with VGS = -4.5 V.

Key specifications

Parameter Value
Manufacturer DIODES INCORPORATED
Package SOT-323
Category Global Sourcing Parts
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 -30 V 2
Gate-Source Voltage VGSS -20 20 V 2
Continuous Drain Current (Note 5), TA = +25°C ID -0.38 A VGS = -4.5V, steady state, TA = +25°C 2
Continuous Drain Current (Note 5), TA = +70°C ID -0.3 A VGS = -4.5V, steady state, TA = +70°C 2
Maximum Body Diode Forward Current (Note 5) IS -0.42 A 2
Pulsed Drain Current IDM -2.6 A 10µs Pulse, Duty Cycle = 1% 2
Total Power Dissipation (Note 6) PD 0.29 W Note 6: FR-4 PCB, 2oz copper, minimum recommended pad layout 2
Total Power Dissipation (Note 5) PD 0.37 W Note 5: FR-4 PCB, 2oz copper, with 1inch square copper plate 2
Thermal Resistance, Junction to Ambient (Note 6), steady state RθJA 424 °C/W Note 6: steady state, minimum recommended pad layout 2
Thermal Resistance, Junction to Ambient (Note 5), steady state RθJA 334 °C/W Note 5: steady state, 1inch square copper plate 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Drain-Source Breakdown Voltage BVDSS -30 V VGS = 0V, ID = -250μA 3
Zero Gate Voltage Drain Current, TJ = +25°C IDSS -1 μA VDS = -24V, VGS = 0V 3
Gate-Source Leakage IGSS -10 10 μA VGS = ±16V, VDS = 0V 3
Gate Threshold Voltage VGS(TH) -1 -2 -2.6 V VDS = VGS, ID = -250μA 3
Static Drain-Source On-Resistance RDS(ON) 0.45 0.9 Ω VGS = -10V, ID = -0.42A 3
Static Drain-Source On-Resistance RDS(ON) 0.74 1.7 Ω VGS = -4.5V, ID = -0.2A 3
Diode Forward Voltage VSD -0.8 -1.2 V VGS = 0V, IS = -0.23A 3

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
contacts tin  Terminal Connections: See Diagram Below  Terminals: Finish - Matte Tin Annealed over Alloy 42 Leadframe. 1

CAD (KiCad official)

  • Symbol: DMP31D7LW-7
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: dmp31d7lw-7-etched.step / dmp31d7lw-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dmp31d7lw-7.step / dmp31d7lw-7.glb are the bare package body.

Provenance

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

  • Datasheet: DIODES INCORPORATED datasheet (8 pp, sha256 02659b9e58a98751, 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