component
HFMMT618TA
Public Made by Adomby adom
HXY MOSFET Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512
{
"schema_version": 1,
"type": "component",
"slug": "hfmmt618ta",
"title": "HFMMT618TA",
"brief": "HXY MOSFET Bipolar (BJT), 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",
"hfmmt618ta",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "HFMMT618TA",
"manufacturer": "HXY MOSFET",
"package": "SOT-23",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "Bipolar (BJT)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7d0e48db637231946084318ff47056fa.pdf",
"parts": {
"symbol": "hfmmt618ta.kicad_sym",
"footprint": "hfmmt618ta.kicad_mod",
"model_3d": "hfmmt618ta-hero.glb",
"model_3d_plain": "hfmmt618ta-etched.glb",
"model_3d_step": "hfmmt618ta-etched.step",
"model_3d_step_plain": "hfmmt618ta.step",
"lbr": "hfmmt618ta.lbr"
},
"distributor_links": {
"lcsc": "C42389330"
},
"distributor_check": {
"checked_at": "2026-10-26T19:21:50Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "B",
"type": "input",
"description": "Base; Emitter-Base voltage limited to 5 V max, base current IB up to 2 A."
},
{
"number": "2",
"name": "E",
"type": "passive",
"description": "Emitter; Emitter-Base breakdown voltage V(BR)EBO is 5 V min."
},
{
"number": "3",
"name": "C",
"type": "passive",
"description": "Collector; VCBO and VCEO are 20 V max, collector current IC is 2.5 A max."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet labels the SOT-23 leads C, B and E but does not print pin numbers 1 to 3. The numberin; The datasheet gives no pin descriptions, so each description is built from the ratings tables. The p",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 4,
"cost_usd": 0.1163,
"at": "2026-10-26T19:21:36"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/7d0e48db637231946084318ff47056fa.pdf",
"pages": 4,
"sha256": "762ca511c56d4a1b",
"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": "hfmmt618ta.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": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "hfmmt618ta-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": "8726916044d0688794cd955511a2dd759d6558da9aff792f6dbb8a544b20cd9f",
"checked": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HXY MOSFET",
"Package": "SOT-23",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "762ca511c56d4a1b79884585948cab0352cafb0f89d6fe32639e41ff6bd268e3",
"rows": [
{
"name": "Collector-base breakdown voltage",
"symbol": "V(BR)CBO",
"kind": "electrical",
"unit": "V",
"min": 20,
"typ": null,
"max": null,
"conditions": "IC=100μA, IE=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-emitter breakdown voltage",
"symbol": "V(BR)CEO",
"kind": "electrical",
"unit": "V",
"min": 20,
"typ": null,
"max": null,
"conditions": "IC=10mA, IB=0 (note 1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Emitter-base breakdown voltage",
"symbol": "V(BR)EBO",
"kind": "electrical",
"unit": "V",
"min": 5,
"typ": null,
"max": null,
"conditions": "IE=100μA, IC=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector cut-off current",
"symbol": "ICBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 100,
"conditions": "VCB=16V, IE=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Emitter cut-off current",
"symbol": "IEBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 100,
"conditions": "VEB=4V, IC=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC current gain 1",
"symbol": "hFE(1)",
"kind": "electrical",
"unit": "",
"min": 200,
"typ": null,
"max": null,
"conditions": "VCE=2V, IC=10mA (note 1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC current gain 2",
"symbol": "hFE(2)",
"kind": "electrical",
"unit": "",
"min": 300,
"typ": null,
"max": null,
"conditions": "VCE=2V, IC=0.2A (note 1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC current gain 3",
"symbol": "hFE(3)",
"kind": "electrical",
"unit": "",
"min": 200,
"typ": null,
"max": null,
"conditions": "VCE=2V, IC=2A (note 1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC current gain 4",
"symbol": "hFE(4)",
"kind": "electrical",
"unit": "",
"min": 100,
"typ": null,
"max": null,
"conditions": "VCE=2V, IC=4A (note 1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-emitter saturation voltage 1",
"symbol": "VCE(sat)1",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 15,
"conditions": "IC=0.1A, IB=10mA (note 1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-emitter saturation voltage 2",
"symbol": "VCE(sat)2",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 150,
"conditions": "IC=1A, IB=10mA (note 1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-emitter saturation voltage 3",
"symbol": "VCE(sat)3",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 200,
"conditions": "IC=2A, IB=0mA (note 1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Base-emitter saturation voltage",
"symbol": "VBE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1,
"conditions": "IC=2A, IB=50mA (note 1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Base-emitter on voltage",
"symbol": "VBE(on)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1,
"conditions": "IC=2A, VCE=2V (note 1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Output capacitance",
"symbol": "Cob",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 30,
"conditions": "VCB=10V, f=1MHz",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Turn-on time",
"symbol": "t(on)",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 170,
"conditions": "VCC=10V, IC=1A, IB1=-IB2=10mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Turn-off time",
"symbol": "t(off)",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 400,
"conditions": "VCC=10V, IC=1A, IB1=-IB2=10mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Transition frequency",
"symbol": "fT",
"kind": "electrical",
"unit": "MHz",
"min": 100,
"typ": null,
"max": null,
"conditions": "VCE=10V, IC=50mA, f=100MHz",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-base voltage",
"symbol": "VCBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 20,
"conditions": "Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-emitter voltage",
"symbol": "VCEO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 20,
"conditions": "Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Emitter-base voltage",
"symbol": "VEBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 5,
"conditions": "Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector current",
"symbol": "IC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2.5,
"conditions": "Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Base current (listed as Collector Current)",
"symbol": "IB",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2,
"conditions": "Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector power dissipation",
"symbol": "PC",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 350,
"conditions": "Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operation junction and storage temperature range",
"symbol": "TJ, Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal resistance junction to ambient",
"symbol": "RΘJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": null,
"max": 500,
"conditions": "",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"hfmmt618ta"
],
"discovery_pitch": "HFMMT618TA (HXY MOSFET) 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",
"hfmmt618ta.kicad_sym",
"hfmmt618ta.kicad_mod",
"hfmmt618ta.glb",
"hfmmt618ta.step",
"hfmmt618ta.lbr",
"docs/hero.png",
"docs/hfmmt618ta-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"hfmmt618ta-hero.glb",
"hfmmt618ta-hero.overlay.json",
"hfmmt618ta-etched.glb"
],
"visibility": {
"public": true
}
}