component
UT3404G-AE3-R
Public Made by Adomby adom
UTC Unisonic Tech MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547
{
"schema_version": 1,
"type": "component",
"slug": "ut3404g-ae3-r",
"title": "UT3404G-AE3-R",
"brief": "UTC Unisonic Tech 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-thyristors",
"ut3404g-ae3-r",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "UT3404G-AE3-R",
"manufacturer": "UTC Unisonic Tech",
"package": "SOT-23",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "MOSFETs",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181536232181760",
"parts": {
"symbol": "ut3404g-ae3-r.kicad_sym",
"footprint": "ut3404g-ae3-r.kicad_mod",
"model_3d": "ut3404g-ae3-r-hero.glb",
"model_3d_plain": "ut3404g-ae3-r-etched.glb",
"model_3d_step": "ut3404g-ae3-r-etched.step",
"model_3d_step_plain": "ut3404g-ae3-r.step",
"lbr": "ut3404g-ae3-r.lbr"
},
"distributor_links": {
"lcsc": "C84912"
},
"distributor_check": {
"checked_at": "2026-10-17T23:19:10Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "Source",
"type": "passive",
"description": "Source terminal of the N-channel enhancement-mode MOSFET; the datasheet gives no pin-specific limit, and the device ratings apply (VDSS 30 V, VGSS ±20 V, continuous ID 5.8 A)."
},
{
"number": "2",
"name": "Gate",
"type": "input",
"description": "Gate terminal of the MOSFET, rated for a maximum gate-source voltage of ±20 V (VGSS) with a gate threshold voltage of 1 to 3 V."
},
{
"number": "3",
"name": "Drain",
"type": "passive",
"description": "Drain terminal of the MOSFET, rated for a drain-source voltage of 30 V (VDSS) and a continuous drain current of 5.8 A."
}
],
"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 SOT-23 pinout comes from the ordering table, where the UT3404G-AE3-R row reads SGD with dashes f; The datasheet gives no per-pin electrical limits. The ratings in the pin descriptions are device-lev; Pin types are KiCad ERC classes chosen from MOSFET function: Gate as input, Source and Drain as pass"
],
"pages_sent": 5,
"cost_usd": 0.0213,
"at": "2026-10-17T23:18:08"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181536232181760",
"pages": 5,
"sha256": "da56f6080243f5b5",
"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": "ut3404g-ae3-r.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": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ut3404g-ae3-r-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": "fd07a16e60f4714535da56461e216fc374c073385757b134eb303982ad3e8a5e",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "UTC Unisonic Tech",
"Package": "SOT-23",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "da56f6080243f5b598f833f25c3283f0e21e133f5d082821afc19e7135cb0441",
"rows": [
{
"name": "Drain-Source Voltage",
"symbol": "VDSS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate-Source Voltage",
"symbol": "VGSS",
"kind": "absolute_maximum",
"unit": "V",
"min": -20,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Continuous Drain Current",
"symbol": "ID",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 5.8,
"conditions": "Note 3 (surface mounted on 1 in2 FR4 copper pad)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Pulsed Drain Current",
"symbol": "IDM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 20,
"conditions": "Notes 1, 2",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power Dissipation (SOT-23)",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1.4,
"conditions": "SOT-23 package",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature (printed as Strong Temperature)",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction to Ambient (SOT-23)",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 85,
"conditions": "Note 3",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain-Source Breakdown Voltage",
"symbol": "BVDSS",
"kind": "electrical",
"unit": "V",
"min": 30,
"typ": null,
"max": null,
"conditions": "VGS=0V, ID=250uA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain-Source Leakage Current",
"symbol": "IDSS",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VDS=24V, VGS=0V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate-Source Leakage Current",
"symbol": "IGSS",
"kind": "electrical",
"unit": "nA",
"min": -100,
"typ": null,
"max": 100,
"conditions": "VDS=0V, VGS=±20V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate Threshold Voltage",
"symbol": "VGS(TH)",
"kind": "electrical",
"unit": "V",
"min": 1,
"typ": 1.9,
"max": 3,
"conditions": "VDS=VGS, ID=250uA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "On State Drain Current",
"symbol": "ID(ON)",
"kind": "electrical",
"unit": "A",
"min": 20,
"typ": null,
"max": null,
"conditions": "VGS=4.5V, VDS=5V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain-Source On-State Resistance (Note 2)",
"symbol": "RDS(ON)",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 22.5,
"max": 28,
"conditions": "VGS=10V, ID=5.8A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain-Source On-State Resistance (Note 2)",
"symbol": "RDS(ON)",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 34.5,
"max": 43,
"conditions": "VGS=4.5V, ID=5A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input Capacitance",
"symbol": "CISS",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 680,
"max": 820,
"conditions": "VGS=0V, VDS=15V, f=1.0MHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Capacitance",
"symbol": "COSS",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 102,
"max": null,
"conditions": "VGS=0V, VDS=15V, f=1.0MHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse Transfer Capacitance",
"symbol": "CRSS",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 77,
"max": null,
"conditions": "VGS=0V, VDS=15V, f=1.0MHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Turn-ON Delay Time (Note 2)",
"symbol": "tD(ON)",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 4.6,
"max": 6.5,
"conditions": "VDS=15V, VGS=10V, RG=3Ω, RD=2.7Ω",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Turn-ON Rise Time",
"symbol": "tR",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 3.8,
"max": 5.7,
"conditions": "VDS=15V, VGS=10V, RG=3Ω, RD=2.7Ω",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Turn-OFF Delay Time",
"symbol": "tD(OFF)",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 20.9,
"max": 30,
"conditions": "VDS=15V, VGS=10V, RG=3Ω, RD=2.7Ω",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Turn-OFF Fall Time",
"symbol": "tF",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 5,
"max": 7.5,
"conditions": "VDS=15V, VGS=10V, RG=3Ω, RD=2.7Ω",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Total Gate Charge (Note 2)",
"symbol": "QG",
"kind": "electrical",
"unit": "nC",
"min": null,
"typ": 13.88,
"max": 17,
"conditions": "VDS=15V, VGS=10V, ID=5.8A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate-Source Charge",
"symbol": "QGS",
"kind": "electrical",
"unit": "nC",
"min": null,
"typ": 1.8,
"max": null,
"conditions": "VDS=15V, VGS=10V, ID=5.8A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate-Drain Charge",
"symbol": "QGD",
"kind": "electrical",
"unit": "nC",
"min": null,
"typ": 3.12,
"max": null,
"conditions": "VDS=15V, VGS=10V, ID=5.8A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain-Source Diode Forward Voltage (Note 2)",
"symbol": "VSD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.76,
"max": 1,
"conditions": "IS=1A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum Continuous Drain-Source Diode Forward Current",
"symbol": "IS",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2.5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse Recovery Time",
"symbol": "tRR",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 16.1,
"max": 21,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse Recovery Charge",
"symbol": "QRR",
"kind": "electrical",
"unit": "nC",
"min": null,
"typ": 7.4,
"max": 10,
"conditions": "IF=5.8A, dI/dt=100A/μs",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ut3404g-ae3-r"
],
"discovery_pitch": "UT3404G-AE3-R (UTC Unisonic Tech) 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",
"ut3404g-ae3-r.kicad_sym",
"ut3404g-ae3-r.kicad_mod",
"ut3404g-ae3-r.glb",
"ut3404g-ae3-r.step",
"ut3404g-ae3-r.lbr",
"docs/hero.png",
"docs/ut3404g-ae3-r-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ut3404g-ae3-r-hero.glb",
"ut3404g-ae3-r-hero.overlay.json",
"ut3404g-ae3-r-etched.glb"
],
"visibility": {
"public": true
}
}