component
BF 2040 E6814
Public Made by Adomby adom
Infineon Technologies MOSFETs, SOT-143. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481
{
"schema_version": 1,
"type": "component",
"slug": "bf-2040-e6814",
"title": "BF 2040 E6814",
"brief": "Infineon Technologies MOSFETs, SOT-143. 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",
"bf 2040 e6814",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "BF 2040 E6814",
"manufacturer": "Infineon Technologies",
"package": "SOT-143",
"pin_count": 4,
"category": "Transistors",
"subcategory": "MOSFETs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f07d5ab086cf73b103fa0fa698281c4e.pdf",
"parts": {
"symbol": "bf-2040-e6814.kicad_sym",
"footprint": "bf-2040-e6814.kicad_mod",
"model_3d": "bf-2040-e6814-hero.glb",
"model_3d_plain": "bf-2040-e6814-etched.glb",
"model_3d_step": "bf-2040-e6814-etched.step",
"model_3d_step_plain": "bf-2040-e6814.step",
"lbr": "bf-2040-e6814.lbr"
},
"distributor_links": {
"lcsc": "C534060"
},
"distributor_check": {
"checked_at": "2026-10-22T22:12:47Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "S",
"type": "passive",
"description": "Source terminal of the MOSFET tetrode; total power dissipation is limited to 200 mW at TS ≤ 76 °C for the SOT143 package."
},
{
"number": "2",
"name": "D",
"type": "passive",
"description": "Drain terminal; drain-source voltage is limited to 8 V maximum and continuous drain current to 40 mA."
},
{
"number": "3",
"name": "G2",
"type": "input",
"description": "Gate 2 control input used for gain control; gate 1/gate 2-source current is limited to ±10 mA and gate 2-source breakdown voltage is 6 V min to 15 V max."
},
{
"number": "4",
"name": "G1",
"type": "input",
"description": "Gate 1 signal input; external biasing voltage is limited to +7 V maximum and gate 1/gate 2-source current to ±10 mA."
}
],
"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",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet does not list the ordering code E6814 or map it to a package. I chose SOT143 because t; The datasheet does not give electrical pin types. Source and drain are set to passive, as is usual f"
],
"pages_sent": 11,
"cost_usd": 0.0611,
"at": "2026-10-22T22:12:35"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/f07d5ab086cf73b103fa0fa698281c4e.pdf",
"pages": 11,
"sha256": "30fffdcd0ca2ce31",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 4,
"described": 4,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "bf-2040-e6814.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.3,
2.9,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "b35b433c0dc71ac416a9c731e744d2e0610f82ebe97275830f0e17cdcbe44512",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "bf-2040-e6814-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.3,
2.9,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "6744a7676d414802444dead026e0f647cb86b9234a8860728bf11a278daa1d48",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Infineon Technologies",
"Package": "SOT-143",
"Category": "Transistors",
"Pins": "4"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "30fffdcd0ca2ce31f69b349f69f87e74dc7157609e8f04651942440b693972c5",
"rows": [
{
"name": "Drain-source breakdown voltage",
"symbol": "V(BR)DS",
"kind": "electrical",
"unit": "V",
"min": 10,
"typ": null,
"max": null,
"conditions": "ID = 20 µA, VG1S = 0, VG2S = 0",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate1-source breakdown voltage",
"symbol": "+V(BR)G1SS",
"kind": "electrical",
"unit": "V",
"min": 6,
"typ": null,
"max": 15,
"conditions": "+IG1S = 10 mA, VG2S = 0, VDS = 0",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate2-source breakdown voltage",
"symbol": "+V(BR)G2SS",
"kind": "electrical",
"unit": "V",
"min": 6,
"typ": null,
"max": 15,
"conditions": "+IG2S = 10 mA, VG1S = 0, VDS = 0",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate1-source leakage current",
"symbol": "+IG1SS",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 50,
"conditions": "VG1S = 5 V, VG2S = 0, VDS = 0",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate2-source leakage current",
"symbol": "+IG2SS",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 50,
"conditions": "VG2S = 5 V, VG1S = 0, VDS = 0",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Drain current",
"symbol": "IDSS",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 50,
"conditions": "VDS = 5 V, VG1S = 0, VG2S = 4 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate1-source pinch-off voltage",
"symbol": "VG1S(p)",
"kind": "electrical",
"unit": "V",
"min": 0.3,
"typ": 0.6,
"max": null,
"conditions": "VDS = 5 V, VG2S = 4 V, ID = 20 µA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gate2-source pinch-off voltage",
"symbol": "VG2S(p)",
"kind": "electrical",
"unit": "V",
"min": 0.3,
"typ": 0.7,
"max": null,
"conditions": "VDS = 5 V, ID = 20 µA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Forward transconductance",
"symbol": "gfs",
"kind": "electrical",
"unit": "mS",
"min": 37,
"typ": 42,
"max": null,
"conditions": "VDS = 5 V, ID = 15 mA, VG2S = 4 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Gate1 input capacitance",
"symbol": "Cg1ss",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 2.9,
"max": 3.4,
"conditions": "VDS = 5 V, ID = 15 mA, VG2S = 4 V, f = 10 MHz",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Power gain",
"symbol": "Gp",
"kind": "electrical",
"unit": "dB",
"min": 20,
"typ": 23,
"max": null,
"conditions": "VDS = 5 V, ID = 15 mA, VG2S = 4 V, f = 800 MHz",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Noise figure",
"symbol": "F",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 1.6,
"max": 2.2,
"conditions": "VDS = 5 V, ID = 15 mA, VG2S = 4 V, f = 800 MHz",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Gain control range",
"symbol": "∆Gp",
"kind": "electrical",
"unit": "dB",
"min": 45,
"typ": 50,
"max": null,
"conditions": "VDS = 5 V, VG2S = 4 ...0 V, f = 800 GHz",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Drain-source voltage",
"symbol": "VDS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 8,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Continuous drain current",
"symbol": "ID",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Gate 1/gate 2-source current",
"symbol": "±IG1/2SM",
"kind": "absolute_maximum",
"unit": "",
"min": null,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Gate 1 (external biasing)",
"symbol": "+VG1SE",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Total power dissipation",
"symbol": "Ptot",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 200,
"conditions": "TS ≤ 76 °C, BF2040",
"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": "Channel temperature",
"symbol": "Tch",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Channel - soldering point thermal resistance",
"symbol": "Rthchs",
"kind": "thermal",
"unit": "K/W",
"min": null,
"typ": null,
"max": 370,
"conditions": "BF2040",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Drain-source current",
"symbol": "IDSX",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 15,
"max": null,
"conditions": "VDS = 5 V, VG2S = 4 V, RG1 = 100 kΩ",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output capacitance",
"symbol": "Cdss",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 1.6,
"max": null,
"conditions": "VDS = 5 V, ID = 15 mA, VG2S = 4 V, f = 10 MHz",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"bf 2040 e6814"
],
"discovery_pitch": "BF 2040 E6814 (Infineon Technologies) 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",
"bf-2040-e6814.kicad_sym",
"bf-2040-e6814.kicad_mod",
"bf-2040-e6814.glb",
"bf-2040-e6814.step",
"bf-2040-e6814.lbr",
"docs/hero.png",
"docs/bf-2040-e6814-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"bf-2040-e6814-hero.glb",
"bf-2040-e6814-hero.overlay.json",
"bf-2040-e6814-etched.glb"
],
"visibility": {
"public": true
}
}