component
MDD3401A
Public Made by Adomby adom
MDD（Microdiode Electronics） MOSFETs, SOT-23-3. 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
markdownMDD3401A
MDD（Microdiode Electronics） · MOSFETs · SOT-23-3
MDD3401A from MDD（Microdiode Electronics）, in a SOT-23-3. 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 of the P-channel MOSFET, with VGS limited to ±12 V and a threshold voltage VGS(TH) of -0.5 V min to -1.2 V max at ID=-250μA. |
| 2 | S | passive | Source of the P-channel MOSFET, with body diode continuous current ISD of -2 A and drain-source voltage limited to -30 V. |
| 3 | D | passive | Drain of the P-channel MOSFET, rated for VDS of -30 V, continuous ID of -4.2 A and pulsed IDM of -16 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MDD（Microdiode Electronics） |
| Package | SOT-23-3 |
| Category | Triode/MOS Tube/Transistor |
| 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 | V(BR)DSS | -30 | V | VGS=0V, ID=-250μA | 2 | ||
| Drain-Source Leakage Current | IDSS | -1 | uA | VDS=-30V, VGS=0V | 2 | ||
| Gate-Source Leakage Current | IGSS | -100 | 100 | nA | VGS=±12V, VDS=0V | 2 | |
| Gate Threshold Voltage | VGS(TH) | -0.5 | -0.8 | -1.2 | V | VDS=VGS, ID=-250μA | 2 |
| Drain-Source On-State Resistance | RDS(ON) | 45 | 55 | mΩ | VGS=-10V, ID=-4.1A | 2 | |
| Drain-Source On-State Resistance | RDS(ON) | 50 | 65 | mΩ | VGS=-4.5V, ID=-4A | 2 | |
| Drain-Source On-State Resistance | RDS(ON) | 65 | 80 | mΩ | VGS=-2.5V, ID=-1A | 2 | |
| Source drain current (Body Diode) | ISD | -2 | A | 2 | |||
| Drain-Source Diode Forward Voltage | VSD | -1 | V | IS=-1A, VGS=0V | 2 | ||
| Drain-Source Voltage | VDS | -30 | V | TA=25℃ | 1 | ||
| Gate-Source Voltage | VGS | -12 | 12 | V | TA=25℃ | 1 | |
| Continuous Drain Current | ID | -4.2 | A | TA=25℃ | 1 | ||
| Pulsed Drain Current | IDM | -16 | A | Pulse width limited by maximum allowable junction temperature | 1 | ||
| Power Dissipation | PD | 1.2 | W | TA=25℃, Note 2 | 1 | ||
| Junction and Storage Temperature | TJ,Tstg | -50 | 150 | ℃ | 1 | ||
| Thermal Resistance from Junction to Ambient | RθJA | 80 | ℃/W | Note 2, 1 in2 FR-4 board 2oz copper | 1 | ||
| Input Capacitance | Ciss | 655 | pF | VDS=-15V, VGS=0V, f=1MHz | 2 | ||
| Output Capacitance | Coss | 65 | pF | VDS=-15V, VGS=0V, f=1MHz | 2 | ||
| Reverse Transfer Capacitance | Crss | 53 | pF | VDS=-15V, VGS=0V, f=1MHz | 2 | ||
| Total Gate Charge | Qg | 8.5 | nC | VDS=-15V, VGS=-4.5V, ID=-4.2A | 2 | ||
| Gate Source Charge | Qgs | 1.8 | nC | VDS=-15V, VGS=-4.5V, ID=-4.2A | 2 | ||
| Gate Drain Charge | Qgd | 2.7 | nC | VDS=-15V, VGS=-4.5V, ID=-4.2A | 2 | ||
| Turn on Delay Time | td(on) | 7 | ns | VDS=-15V, VGS=-10V, ID=-3A, RG=6Ω | 2 | ||
| Turn on Rise Time | tr | 3.8 | ns | VDS=-15V, VGS=-10V, ID=-3A, RG=6Ω | 2 | ||
| Turn Off Delay Time | td(off) | 35 | ns | VDS=-15V, VGS=-10V, ID=-3A, RG=6Ω | 2 | ||
| Turn Off Fall Time | tf | 10.5 | ns | VDS=-15V, VGS=-10V, ID=-3A, RG=6Ω | 2 |
CAD (KiCad official)
- Symbol:
MDD3401A - Footprint:
Package_TO_SOT_SMD:SOT-23-3 - 3D model: SOT-23-3 (KiCad packages3D, STEP)
- 3D model files:
mdd3401a-etched.step/mdd3401a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mdd3401a.step/mdd3401a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MDD（Microdiode Electronics） datasheet (5 pp, sha256
c03f1aa7a3afe4e8, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).