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MDD3415

Public Made by Adom

by adom

MDD（Microdiode Electronics） MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MDD3415

MDD（Microdiode Electronics） · MOSFETs · SOT-23

MDD3415 from MDD（Microdiode Electronics）, 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 of the -20V P-channel enhancement MOSFET, with gate-source voltage limited to ±8 V and threshold VGS(th) of -0.4 V to -1.2 V at VDS = VGS, ID = -250 µA.
2 Source passive Source of the MOSFET; the body diode continuous source-drain current IS is rated -2.0 A at TC = 25 °C.
3 Drain passive Drain of the MOSFET, rated V(BR)DSS -20 V with continuous drain current ID of -4.8 A at TA = 25 °C (pulsed -30 A).

Key specifications

Parameter Value
Manufacturer MDD（Microdiode Electronics）
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 V(BR)DSS -20 V 1
Gate-Source Voltage VGS -8 8 V 1
Continuous Drain Current ID -4.8 A TA = 25°C 1
Continuous Drain Current ID -3.6 A TA = 70°C 1
Pulsed Drain Current IDM -30 A Pulse width limited by maximum junction temperature (note 1) 1
Maximum Power Dissipation PD 1.5 W TA = 25°C, surface mounted on FR4 board, t 5 sec (note 2) 1
Maximum Power Dissipation PD 1 W TA = 70°C, surface mounted on FR4 board, t 5 sec (note 2) 1
Operating Junction and Storage Temperature Range TJ, Tstg -50 150 °C 1
Junction-to-Ambient Thermal Resistance RthJA 80 °C/W PCB mounted, surface mounted on FR4 board, t 5 sec (note 2) 1
Continuous source-drain diode current IS -2 A TC = 25℃ 2
Body diode voltage VSD -0.83 -1.2 V IS=-2A, VGS=0V 2
Drain-source breakdown voltage V(BR)DSS -20 V VGS = 0V, ID = -250µA 2
Gate threshold voltage VGS(th) -0.4 -0.7 -1.2 V VDS = VGS, ID = -250µA 2
Gate-body leakage current IGSS -10 10 VDS = 0V, VGS = ±8V 2
Zero gate voltage drain current IDSS -1 µA VDS = 20V, VGS = 0V (TA = 25℃) 2
Zero gate voltage drain current IDSS -100 VDS = 16V, VGS = 0V (TA = 125℃) 2
Drain-source on-state resistance RDS(on) 37 45 mΩ VGS = -4.5V, ID = -4A 2
Drain-source on-state resistance RDS(on) 43 55 mΩ VGS = -3.3V, ID = -3A 2
Drain-source on-state resistance RDS(on) 52 65 mΩ VGS = -2.5V, ID = -2A 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
housing pet Body diode voltage (note 2) VSD IS=-2A,VGS =0V -0.83 -1.2 V PRepetitive rating,pulse width limited by junction temperature. 2

CAD (KiCad official)

  • Symbol: MDD3415
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: mdd3415-etched.step / mdd3415-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mdd3415.step / mdd3415.glb are the bare package body.

Provenance

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

  • Datasheet: MDD（Microdiode Electronics） datasheet (5 pp, sha256 91e06bd99c3ac7d2, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF