component
DMP31D7LW-7
Public Made by Adomby adom
DIODES INCORPORATED Global Sourcing Parts, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownDMP31D7LW-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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);dmp31d7lw-7.step/dmp31d7lw-7.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).