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MDD3404
Public Made by Adomby adom
MDD Microdiode Semiconductor MOSFETs, SOT-23. 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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README
markdownMDD3404
MDD Microdiode Semiconductor · MOSFETs · SOT-23
MDD3404 from MDD Microdiode Semiconductor, 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 | Gate | input | Gate terminal of the MOSFET, with gate-source voltage VGS rated at ±20 V in the absolute maximum ratings. |
| 2 | Source | passive | Source terminal of the MOSFET, with source drain current (body diode) ISD rated at 2.5 A maximum. |
| 3 | Drain | passive | Drain terminal of the MOSFET, with drain-source voltage VDS rated at 30 V and continuous drain current ID rated at 5.8 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MDD Microdiode Semiconductor |
| 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 | VDS | 30 | V | 1 | |||
| Gate-Source Voltage | VGS | -20 | 20 | V | 1 | ||
| Continuous Drain Current | ID | 5.8 | A | 1 | |||
| Power Dissipation | PD | 1.4 | W | Note 2 | 1 | ||
| Junction and Storage Temperature | TJ,Tstg | -50 | 150 | ℃ | 1 | ||
| Pulsed Drain Current | IDM | 30 | A | Note 1 | 1 | ||
| Drain-Source Breakdown Voltage | V(BR)DSS | 30 | V | VGS=0V, ID=250μA | 2 | ||
| Drain-Source Leakage Current (row labelled IDSS, printed as Gate-Source Leakage Current) | IDSS | 1 | uA | VDS=30V, VGS=0V | 2 | ||
| Gate-Source Leakage Current (row labelled IGSS, printed as Drain-Source Leakage Current) | IGSS | -100 | 100 | nA | VGS=±20V, VDS=0V | 2 | |
| Gate Threshold Voltage | VGS(TH) | 1.1 | 3 | V | VDS=VGS, ID=250μA | 2 | |
| Drain-Source On-State Resistance | RDS(ON) | 23 | 30 | mΩ | VGS=10V, ID=5.8A | 2 | |
| Drain-Source On-State Resistance | RDS(ON) | 31 | 42 | mΩ | VGS=4.5V, ID=3A, TA=25℃ | 2 | |
| Total Gate Charge | Qg | 9.7 | 12 | nC | VDS=15V, VGS=4.5V, ID=5.8A | 2 | |
| Turn on Delay Time | td(on) | 3.3 | 5 | ns | VDS=15V, VGS=4.5V, ID=5A, RG=2.7Ω | 2 | |
| Turn on Rise Time | tr | 4.8 | 7 | ns | VDS=15V, VGS=4.5V, ID=5A, RG=2.7Ω | 2 | |
| Turn Off Delay Time | td(off) | 26.3 | 40 | ns | VDS=15V, VGS=4.5V, ID=5A, RG=2.7Ω | 2 | |
| Turn Off Fall Time | tf | 4.1 | 6 | ns | VDS=15V, VGS=4.5V, ID=5A, RG=2.7Ω | 2 | |
| Source Drain Current (Body Diode) | ISD | 2.5 | A | 2 | |||
| Thermal Resistance from Junction to Ambient | RθJA | 150 | ℃/W | Note 2 | 1 |
CAD (KiCad official)
- Symbol:
MDD3404 - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
mdd3404-etched.step/mdd3404-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mdd3404.step/mdd3404.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MDD Microdiode Semiconductor datasheet (4 pp, sha256
ad05f49e6a1bb897, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).