component
SMF40A-TP
Public Made by Adomby adom
MCC(Micro Commercial Components) TVS, SOD-123FL. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373
{
"schema_version": 1,
"type": "component",
"slug": "smf40a-tp",
"title": "SMF40A-TP",
"brief": "MCC(Micro Commercial Components) TVS, SOD-123FL. 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",
"tvs-fuse-board level protection",
"smf40a-tp",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SMF40A-TP",
"manufacturer": "MCC(Micro Commercial Components)",
"package": "SOD-123FL",
"pin_count": 2,
"category": "TVS/Fuse/Board Level Protection",
"subcategory": "TVS",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3fdd4d54224eceb5fff57c8ce808199a.pdf",
"parts": {
"symbol": "smf40a-tp.kicad_sym",
"footprint": "smf40a-tp.kicad_mod",
"model_3d": "smf40a-tp-hero.glb",
"model_3d_plain": "smf40a-tp-etched.glb",
"model_3d_step": "smf40a-tp-etched.step",
"model_3d_step_plain": "smf40a-tp.step",
"lbr": "smf40a-tp.lbr"
},
"distributor_links": {
"lcsc": "C914431"
},
"distributor_check": {
"checked_at": "2026-10-22T22:09:14Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "Cathode",
"type": "passive",
"description": "Cathode of the unidirectional TVS (marked with the cathode mark band); connects to the protected line, with VWM 40V, breakdown 44.4V min to 49.1V max at 1mA, and max clamping voltage 64.5V at 3.1A IPP."
},
{
"number": "2",
"name": "Anode",
"type": "passive",
"description": "Anode of the unidirectional TVS; connects to ground/return side of the protected line, rated for 200W peak pulse power (10/1000μs)."
}
],
"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 text only shows 'Cathode Anode' under Pin Configuration, with no pin numbers printed. ; SMF40A is the unidirectional version (no 'C' suffix). Pin types are set to passive because the datas"
],
"pages_sent": 5,
"cost_usd": 0.0737,
"at": "2026-10-22T22:09:00"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/3fdd4d54224eceb5fff57c8ce808199a.pdf",
"pages": 5,
"sha256": "c4100e793386d984",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 2,
"described": 2,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "smf40a-tp.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.5,
1.6,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "smf40a-tp-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.5,
1.6,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9bb61ff2f5463625d7cee8fbd8f34e88e3e0ce0deb889f14a94faaaf393949c7",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "MCC(Micro Commercial Components)",
"Package": "SOD-123FL",
"Category": "TVS/Fuse/Board Level Protection",
"Pins": "2"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "c4100e793386d984ed8105ce6a9e00ecd392577526cd7b858b96c6312299b52b",
"rows": [
{
"name": "Breakdown Voltage",
"symbol": "VBR",
"kind": "electrical",
"unit": "V",
"min": 44.4,
"typ": null,
"max": 49.1,
"conditions": "IT = 1.0 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse Stand-Off Voltage",
"symbol": "VWM",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 40,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Max. Clamping Voltage",
"symbol": "VC",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 64.5,
"conditions": "@IPP = 3.1 A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Max. Peak Pulse Current",
"symbol": "IPP",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 3.1,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Max. Reverse Leakage Current",
"symbol": "ID",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "@VWM = 40 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Test Current",
"symbol": "IT",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak Pulse Power Dissipation",
"symbol": "PPP",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 200,
"conditions": "10/1000μs waveform",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Peak forward surge current",
"symbol": "IFSM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 30,
"conditions": "8.3 ms single half sine-wave",
"source_page": 1,
"source": "datasheet"
},
{
"name": "ESD Voltage (HBM)",
"symbol": "VESD",
"kind": "absolute_maximum",
"unit": "KV",
"min": 16,
"typ": null,
"max": null,
"conditions": "HBM",
"source_page": 1,
"source": "datasheet"
},
{
"name": "IEC61000-4-2 ESD Air",
"symbol": "",
"kind": "absolute_maximum",
"unit": "KV",
"min": -30,
"typ": null,
"max": 30,
"conditions": "Air",
"source_page": 1,
"source": "datasheet"
},
{
"name": "IEC61000-4-2 ESD Contact",
"symbol": "",
"kind": "absolute_maximum",
"unit": "KV",
"min": -30,
"typ": null,
"max": 30,
"conditions": "Contact",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature Range",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 175,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 175,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Typical Thermal Resistance Junction to Lead",
"symbol": "RθJL",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 26,
"max": null,
"conditions": "Junction to Lead",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Typical Thermal Resistance Junction to Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 300,
"max": null,
"conditions": "Junction to Ambient",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"smf40a-tp"
],
"discovery_pitch": "SMF40A-TP (MCC(Micro Commercial Components)) 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",
"smf40a-tp.kicad_sym",
"smf40a-tp.kicad_mod",
"smf40a-tp.glb",
"smf40a-tp.step",
"smf40a-tp.lbr",
"docs/hero.png",
"docs/smf40a-tp-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"smf40a-tp-hero.glb",
"smf40a-tp-hero.overlay.json",
"smf40a-tp-etched.glb"
],
"visibility": {
"public": true
}
}