component
DMG3420U-7
Public Made by Adomby adom
Diodes Incorporated MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 16d ago |
| viewers | 16d ago |
| dmg3420u-7-etched.glb | 16d ago |
| dmg3420u-7-etched.step | 16d ago |
| dmg3420u-7-hero.glb | 16d ago |
| dmg3420u-7-hero.overlay.json | 16d ago |
| dmg3420u-7.glb | 16d ago |
| dmg3420u-7.kicad_mod | 16d ago |
| dmg3420u-7.kicad_sym | 16d ago |
| dmg3420u-7.lbr | 16d ago |
| dmg3420u-7.step | 16d ago |
| package.json | 16d ago |
| page.json | 16d ago |
| README.md | 16d ago |
DMG3420U-7
Diodes Incorporated · MOSFETs · SOT-23
DMG3420U-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 terminal; gate-source voltage limited to ±12 V, with threshold VGS(TH) 0.5 V min to 1.2 V max at ID = 250 µA. |
| 2 | S | passive | Source terminal; continuous drain current is 5.47 A at TA = +25°C in steady state. |
| 3 | D | passive | Drain terminal; drain-source voltage limited to 20 V, with pulsed drain current up to 20 A. |
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 Breakdown Voltage | BVDSS | 20 | V | VGS = 0V, ID = 250μA | 2 | ||
| Zero Gate Voltage Drain Current | IDSS | 1 | µA | TJ = +25°C, VDS = 20V, VGS = 0V | 2 | ||
| Gate-Source Leakage | IGSS | -100 | 100 | nA | VGS = ±12V, VDS = 0V | 2 | |
| Gate Threshold Voltage | VGS(TH) | 0.5 | 0.95 | 1.2 | V | VDS = VGS, ID = 250μA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) | 21 | 29 | mΩ | VGS = 10V, ID = 6A | 2 | |
| Static Drain-Source On-Resistance | RDS(ON) | 25 | 35 | mΩ | VGS = 4.5V, ID = 5A | 2 | |
| Static Drain-Source On-Resistance | RDS(ON) | 34 | 48 | mΩ | VGS = 2.5V, ID = 4A | 2 | |
| Static Drain-Source On-Resistance | RDS(ON) | 65 | 91 | mΩ | VGS = 1.8V, ID = 2A | 2 | |
| Diode Forward Voltage | VSD | 0.75 | 1 | V | VGS = 0V, IS = 1A | 2 | |
| Drain-Source Voltage | VDSS | 20 | V | 2 | |||
| Gate-Source Voltage | VGSS | -12 | 12 | V | 2 | ||
| Continuous Drain Current (steady state) | ID | 5.47 | A | Steady state, TA = +25°C | 2 | ||
| Continuous Drain Current (steady state) | ID | 3.43 | A | Steady state, TA = +85°C | 2 | ||
| Pulsed Drain Current | IDM | 20 | A | Note 6 | 2 | ||
| Power Dissipation | PD | 0.74 | W | Note 5 | 2 | ||
| Thermal Resistance, Junction to Ambient | RθJA | 167 | °C/W | @TA = +25°C, Note 5 | 2 | ||
| Operating and Storage Temperature Range | TJ, TSTG | -55 | 150 | °C | 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 |
|---|---|---|---|---|
| contacts | Copper | tin | Terminals: Finish Matte Tin Annealed over Copper | 1 |
CAD (KiCad official)
- Symbol:
DMG3420U-7 - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
dmg3420u-7-etched.step/dmg3420u-7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);dmg3420u-7.step/dmg3420u-7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (6 pp, sha256
240eb7eba49326d7, retrieved 2026-10-19, 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).