component
IXFH44N50P
Public Made by Adomby adom
Littelfuse IXYS MOSFETs, TO-247-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682
{
"schema_version": 1,
"type": "component",
"slug": "ixfh44n50p",
"title": "IXFH44N50P",
"brief": "Littelfuse IXYS MOSFETs, TO-247-3. 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",
"ixfh44n50p",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "IXFH44N50P",
"manufacturer": "Littelfuse IXYS",
"package": "TO-247-3",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "MOSFETs",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588954830798381056",
"parts": {
"symbol": "ixfh44n50p.kicad_sym",
"footprint": "ixfh44n50p.kicad_mod",
"model_3d": "ixfh44n50p-hero.glb",
"model_3d_plain": "ixfh44n50p-etched.glb",
"model_3d_step": "ixfh44n50p-etched.step",
"model_3d_step_plain": "ixfh44n50p.step",
"lbr": "ixfh44n50p.lbr"
},
"distributor_links": {
"lcsc": "C2929945",
"digikey": "238-IXFH44N50P-ND",
"mouser": "747-IXFH44N50P"
},
"distributor_check": {
"checked_at": "2026-10-15T08:42:17Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "238-IXFH44N50P-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "747-IXFH44N50P",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "G",
"type": "input",
"description": "Gate terminal; the datasheet gives VGSS = 30 V continuous and VGSM = 40 V transient maximum ratings."
},
{
"number": "2",
"name": "D",
"type": "passive",
"description": "Drain terminal; the datasheet gives VDSS = 500 V and ID25 = 44 A at TC = 25°C."
},
{
"number": "3",
"name": "S",
"type": "passive",
"description": "Source terminal, the reference for VGS = 0 V in the blocking and body-diode test conditions."
}
],
"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 TO-247 outline lists a drain tab ('D (Tab)', 'Tab = Drain') that is not given a printed pin numb; The datasheet names the TO-247 variant as IXFH44N50P and gives terminal assignments 1-Gate, 2-Drain,"
],
"pages_sent": 6,
"cost_usd": 0.0263,
"at": "2026-10-15T08:42:00"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588954830798381056",
"pages": 6,
"sha256": "f17a28940e2aa921",
"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": "ixfh44n50p.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
15.9,
5.03,
41.1
],
"zmin_mm": -15.83,
"centre_offset_mm": 0.185,
"footprint_binding": "identity",
"sha256": "ec0db59b04bcea2e0db6f976bf3ab8644e761c8b0059239f77f4febd6dc9eff4",
"checked": "2026-10-15",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ixfh44n50p-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
15.9,
5.03,
41.1
],
"zmin_mm": -15.83,
"centre_offset_mm": 0.185,
"footprint_binding": "identity",
"sha256": "7db4145aaf27cab735faacb57424c9b866e52f29b1cdbc5bbb525a4ff148351c",
"checked": "2026-10-15",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Littelfuse IXYS",
"Package": "TO-247-3",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "f17a28940e2aa921d97c2d58c7d73ea724b6da31bc6e2f4166c1c1990ac66836",
"rows": [
{
"name": "Drain-source breakdown voltage",
"symbol": "BVDSS",
"kind": "electrical",
"unit": "V",
"min": 500,
"typ": null,
"max": null,
"conditions": "VGS = 0V, ID = 250μA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Gate threshold voltage",
"symbol": "VGS(th)",
"kind": "electrical",
"unit": "V",
"min": 3,
"typ": null,
"max": 5,
"conditions": "VDS = VGS, ID = 4mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Gate-source leakage current",
"symbol": "IGSS",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 100,
"conditions": "VGS = 30V, VDS = 0V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Zero gate voltage drain current (TJ = 25°C)",
"symbol": "IDSS",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 25,
"conditions": "VDS = VDSS, VGS = 0V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Zero gate voltage drain current (TJ = 125°C)",
"symbol": "IDSS",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 500,
"conditions": "TJ = 125C, VDS = VDSS, VGS = 0V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Static drain-source on-resistance",
"symbol": "RDS(on)",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": null,
"max": 140,
"conditions": "VGS = 10V, ID = 0.5 • ID25, Note 1",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Forward transconductance",
"symbol": "gfs",
"kind": "electrical",
"unit": "S",
"min": 20,
"typ": 32,
"max": null,
"conditions": "VDS = 20V, ID = 0.5 • ID25, Note 1",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input capacitance",
"symbol": "Ciss",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 5440,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output capacitance",
"symbol": "Coss",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 639,
"max": null,
"conditions": "VGS = 0V, VDS = 25V, f = 1MHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse transfer capacitance",
"symbol": "Crss",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 40,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Turn-on delay time",
"symbol": "td(on)",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 28,
"max": null,
"conditions": "Resistive switching: VGS = 10V, VDS = 0.5 • VDSS, ID = 0.5 • ID25, RG = 3 (External)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Rise time",
"symbol": "tr",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 29,
"max": null,
"conditions": "Resistive switching: VGS = 10V, VDS = 0.5 • VDSS, ID = 0.5 • ID25, RG = 3 (External)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Turn-off delay time",
"symbol": "td(off)",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 85,
"max": null,
"conditions": "Resistive switching: VGS = 10V, VDS = 0.5 • VDSS, ID = 0.5 • ID25, RG = 3 (External)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Fall time",
"symbol": "tf",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 27,
"max": null,
"conditions": "Resistive switching: VGS = 10V, VDS = 0.5 • VDSS, ID = 0.5 • ID25, RG = 3 (External)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Total gate charge",
"symbol": "Qg(on)",
"kind": "electrical",
"unit": "nC",
"min": null,
"typ": 98,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate-source charge",
"symbol": "Qgs",
"kind": "electrical",
"unit": "nC",
"min": null,
"typ": 35,
"max": null,
"conditions": "VGS = 10V, VDS = 0.5 • VDSS, ID = 0.5 • ID25",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate-drain charge",
"symbol": "Qgd",
"kind": "electrical",
"unit": "nC",
"min": null,
"typ": 30,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction-to-case thermal resistance",
"symbol": "RthJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 0.19,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Case-to-sink thermal resistance, TO-247",
"symbol": "RthCS",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 0.21,
"conditions": "TO-247",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Continuous source current",
"symbol": "IS",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 44,
"conditions": "VGS = 0V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Repetitive pulse source current",
"symbol": "ISM",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 110,
"conditions": "Repetitive, pulse width limited by TJM",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Diode forward voltage",
"symbol": "VSD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1.5,
"conditions": "IF = IS, VGS = 0V, Note 1",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse recovery time",
"symbol": "trr",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": null,
"max": 200,
"conditions": "IF = 25A, -di/dt = 100A/μs, VR = 100V, VGS = 0V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak reverse recovery current",
"symbol": "IRM",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 6,
"conditions": "IF = 25A, -di/dt = 100A/μs, VR = 100V, VGS = 0V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse recovery charge",
"symbol": "QRM",
"kind": "electrical",
"unit": "μC",
"min": null,
"typ": null,
"max": 0.6,
"conditions": "IF = 25A, -di/dt = 100A/μs, VR = 100V, VGS = 0V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain-source voltage",
"symbol": "VDSS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 500,
"conditions": "TJ = 25°C to 150°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Drain-gate voltage",
"symbol": "VDGR",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 500,
"conditions": "TJ = 25°C to 150°C, RGS = 1MΩ",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Gate-source voltage, continuous",
"symbol": "VGSS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 30,
"conditions": "Continuous",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Gate-source voltage, transient",
"symbol": "VGSM",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 40,
"conditions": "Transient",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Continuous drain current",
"symbol": "ID25",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 44,
"conditions": "TC = 25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Pulsed drain current",
"symbol": "IDM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 110,
"conditions": "TC = 25°C, pulse width limited by TJM",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Avalanche current",
"symbol": "IA",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 44,
"conditions": "TC = 25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Single pulse avalanche energy",
"symbol": "EAS",
"kind": "absolute_maximum",
"unit": "J",
"min": null,
"typ": null,
"max": 1.7,
"conditions": "TC = 25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Peak diode recovery dv/dt",
"symbol": "dv/dt",
"kind": "absolute_maximum",
"unit": "V/ns",
"min": null,
"typ": null,
"max": 10,
"conditions": "IS ≤ IDM, VDD ≤ VDSS, TJ ≤ 150°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Total power dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 658,
"conditions": "TC = 25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum junction temperature",
"symbol": "TJM",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum lead temperature for soldering",
"symbol": "TL",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 300,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Plastic body soldering temperature",
"symbol": "TSOLD",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "Plastic body for 10s",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ixfh44n50p"
],
"discovery_pitch": "IXFH44N50P (Littelfuse IXYS) 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",
"ixfh44n50p.kicad_sym",
"ixfh44n50p.kicad_mod",
"ixfh44n50p.glb",
"ixfh44n50p.step",
"ixfh44n50p.lbr",
"docs/hero.png",
"docs/ixfh44n50p-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ixfh44n50p-hero.glb",
"ixfh44n50p-hero.overlay.json",
"ixfh44n50p-etched.glb"
],
"visibility": {
"public": true
}
}