component
MDD3400
Public Made by Adomby adom
MDD（Microdiode Electronics） MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393
{
"schema_version": 1,
"type": "component",
"slug": "mdd3400",
"title": "MDD3400",
"brief": "MDD（Microdiode Electronics） MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"transistors",
"mdd3400",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MDD3400",
"manufacturer": "MDD（Microdiode Electronics）",
"package": "SOT-23",
"pin_count": 3,
"category": "Transistors",
"subcategory": "MOSFETs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7bd6996e2cb7d432b642311705208d8d.pdf",
"parts": {
"symbol": "mdd3400.kicad_sym",
"footprint": "mdd3400.kicad_mod",
"model_3d": "mdd3400-hero.glb",
"model_3d_plain": "mdd3400-etched.glb",
"model_3d_step": "mdd3400-etched.step",
"model_3d_step_plain": "mdd3400.step",
"lbr": "mdd3400.lbr"
},
"distributor_links": {
"lcsc": "C427382",
"digikey": "3372-MDD3400TR-ND"
},
"distributor_check": {
"checked_at": "2026-10-21T03:19:36Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "3372-MDD3400TR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "G",
"type": "input",
"description": "Gate pin of the MDD3400 N-channel MOSFET; the datasheet gives no separate electrical limit for this pin."
},
{
"number": "2",
"name": "S",
"type": "passive",
"description": "Source pin of the MDD3400 N-channel MOSFET; the datasheet gives no separate electrical limit for this pin."
},
{
"number": "3",
"name": "D",
"type": "passive",
"description": "Drain pin of the MDD3400 N-channel MOSFET; the datasheet gives no separate electrical limit for this pin."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pinning table on page 2 lists the symbols G, S, D and the names Gate, Source, Drain in the same ; The datasheet provides only the pin names (Gate, Source, Drain) and no per-pin electrical limits or "
],
"pages_sent": 5,
"cost_usd": 0.0216,
"at": "2026-10-21T03:15:48"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/7bd6996e2cb7d432b642311705208d8d.pdf",
"pages": 5,
"sha256": "3b42ec708c8d2c48",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "mdd3400.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mdd3400-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "b9c93b812a1b870148aa492f5542501675ac0e7bdf25e6910265bd3b42132542",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "MDD（Microdiode Electronics）",
"Package": "SOT-23",
"Category": "Transistors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "3b42ec708c8d2c48b5d218eb19bb948e2b09dd1d95e127a5dbcfa8e4d79d8079",
"rows": [
{
"name": "Drain-Source Voltage",
"symbol": "VDS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Gate-Source Voltage",
"symbol": "VGS",
"kind": "absolute_maximum",
"unit": "V",
"min": -12,
"typ": null,
"max": 12,
"conditions": "Printed as ±12 V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Continuous Drain Current",
"symbol": "ID",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 5.8,
"conditions": "Note 1",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Pulsed Drain Current",
"symbol": "IDM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 23,
"conditions": "Note 1",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1.5,
"conditions": "Note 2: 1 in² FR-4 board, still air, Ta=25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -50,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction-Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 100,
"conditions": "Note 2",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Drain-Source Breakdown Voltage",
"symbol": "V(BR)DSS",
"kind": "electrical",
"unit": "V",
"min": 30,
"typ": null,
"max": null,
"conditions": "VGS=0V, ID=250μA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate-Source Leakage Current (forward)",
"symbol": "IGSS",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 100,
"conditions": "VGS=20V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate-Source Leakage Current (reverse)",
"symbol": "IGSS",
"kind": "electrical",
"unit": "nA",
"min": -100,
"typ": null,
"max": null,
"conditions": "VGS=-20V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain-Source Leakage Current",
"symbol": "IDSS",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VDS=24V, VGS=0V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate Threshold Voltage",
"symbol": "VGS(TH)",
"kind": "electrical",
"unit": "V",
"min": 0.5,
"typ": 0.8,
"max": 1.2,
"conditions": "VDS=VGS, ID=250μA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain-Source On-State Resistance",
"symbol": "RDS(ON)",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 20,
"max": 22,
"conditions": "VGS=10V, ID=5.8A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain-Source On-State Resistance",
"symbol": "RDS(ON)",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 32,
"max": 35,
"conditions": "VGS=4.5V, ID=5A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain-Source Diode Forward Voltage",
"symbol": "VSD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.82,
"max": 1.2,
"conditions": "IS=3A, VGS=0V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Source Drain current (Body Diode)",
"symbol": "ISD",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 1.5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"mdd3400"
],
"discovery_pitch": "MDD3400 (MDD（Microdiode Electronics）) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"mdd3400.kicad_sym",
"mdd3400.kicad_mod",
"mdd3400.glb",
"mdd3400.step",
"mdd3400.lbr",
"docs/hero.png",
"docs/mdd3400-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"mdd3400-hero.glb",
"mdd3400-hero.overlay.json",
"mdd3400-etched.glb"
],
"visibility": {
"public": true
}
}