component
KND3403B
Public Made by Adomby adom
KIA Semicon Tech MOSFETs, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427
{
"schema_version": 1,
"type": "component",
"slug": "knd3403b",
"title": "KND3403B",
"brief": "KIA Semicon Tech MOSFETs, TO-252. 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",
"knd3403b",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "KND3403B",
"manufacturer": "KIA Semicon Tech",
"package": "TO-252",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "MOSFETs",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944000174317568",
"parts": {
"symbol": "knd3403b.kicad_sym",
"footprint": "knd3403b.kicad_mod",
"model_3d": "knd3403b-hero.glb",
"model_3d_plain": "knd3403b-etched.glb",
"model_3d_step": "knd3403b-etched.step",
"model_3d_step_plain": "knd3403b.step",
"lbr": "knd3403b.lbr"
},
"distributor_links": {
"lcsc": "C2839427"
},
"distributor_check": {
"checked_at": "2026-10-18T09:48:07Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "Gate",
"type": "input",
"description": "Gate terminal of the N-channel MOSFET; absolute maximum gate-source voltage VGSS is ±20 V."
},
{
"number": "2",
"name": "Drain",
"type": "passive",
"description": "Drain terminal of the N-channel MOSFET; rated VDSS 30 V and continuous drain current 85 A at TC = 25 ºC."
},
{
"number": "3",
"name": "Source",
"type": "passive",
"description": "Source terminal of the N-channel MOSFET; the datasheet rates continuous source current IS at 85 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 pin table on page 1 gives the TO-252 pin numbers as 1 = Gate, 2 = Drain, 3 = Source, with DFN5*6; The datasheet header and body say KNX3403B, while the ordering table (page 2) lists KND3403B in TO-2; The datasheet does not state a tab/heatsink pin assignment or pin-level electrical limits beyond the"
],
"pages_sent": 5,
"cost_usd": 0.0176,
"at": "2026-10-18T09:46:18"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944000174317568",
"pages": 5,
"sha256": "d5a088041d4eb9db",
"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": "knd3403b.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.9,
6.5,
2.32
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "knd3403b-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.9,
6.5,
2.32
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5db0666bebfadc2546234641c11fd51c201238151e82361c3cbb9d863fb7b230",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "KIA Semicon Tech",
"Package": "TO-252",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "d5a088041d4eb9db5f53628ed31c32f76eb577f3dad938f0411dbdcaa8e5eaa1",
"rows": [
{
"name": "Drain-Source Breakdown Voltage",
"symbol": "BVDSS",
"kind": "electrical",
"unit": "V",
"min": 30,
"typ": null,
"max": null,
"conditions": "VGS = 0 V, ID = 250 uA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Drain-Source Leakage Current",
"symbol": "IDSS",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VDS = 30 V, VGS = 0 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Gate-Source Leakage Current",
"symbol": "IGSS",
"kind": "electrical",
"unit": "nA",
"min": -100,
"typ": null,
"max": 100,
"conditions": "VGS = ±20 V, VDS = 0 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Gate Threshold Voltage",
"symbol": "VGS(th)",
"kind": "electrical",
"unit": "V",
"min": 0.8,
"typ": 1.3,
"max": 2.5,
"conditions": "VDS = VGS, ID = 250 uA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Static Drain-Source On-Resistance",
"symbol": "RDS(on)",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 4.5,
"max": 5.5,
"conditions": "VGS = 10 V, ID = 20 A",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Static Drain-Source On-Resistance",
"symbol": "RDS(on)",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 5.5,
"max": 7.2,
"conditions": "VGS = 4.5V, ID = 15 A",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Continuous Source Current",
"symbol": "IS",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 85,
"conditions": "Integral Reverse P-N Junction Diode in the MOSFET",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Pulsed Source Current",
"symbol": "ISM",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 340,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Drain-Source Diode Forward Voltage",
"symbol": "VSD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1.4,
"conditions": "VGS = 0 V, IS =20 A",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Drain-Source Voltage",
"symbol": "VDSS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain Current -Continuous",
"symbol": "ID",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 85,
"conditions": "TC = 25 ºC",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain Current -Continuous",
"symbol": "ID",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 61,
"conditions": "TC = 100 ºC",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain Current -Pulsed",
"symbol": "IDM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 340,
"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": "Single Pulsed Avalanche Energy",
"symbol": "EAS",
"kind": "absolute_maximum",
"unit": "mJ",
"min": null,
"typ": null,
"max": 156,
"conditions": "Note 1: L = 0.5mH, VDD = 15V, VGS = 10V, RG = 25Ω, Starting TJ = 25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 71,
"conditions": "TC = 25 ºC",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating and Storage Temperature Range",
"symbol": "TJ,TSTG",
"kind": "absolute_maximum",
"unit": "ºC",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction-to-Case",
"symbol": "RθJC",
"kind": "thermal",
"unit": "ºC /W",
"min": null,
"typ": 2.1,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction-to-Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "ºC /W",
"min": null,
"typ": 62,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"knd3403b"
],
"discovery_pitch": "KND3403B (KIA Semicon 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",
"knd3403b.kicad_sym",
"knd3403b.kicad_mod",
"knd3403b.glb",
"knd3403b.step",
"knd3403b.lbr",
"docs/hero.png",
"docs/knd3403b-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"knd3403b-hero.glb",
"knd3403b-hero.overlay.json",
"knd3403b-etched.glb"
],
"visibility": {
"public": true
}
}