component
KSMF28A-E3-08
Public Made by Adomby adom
KUU TVS, SOD-123FL. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364
{
"schema_version": 1,
"type": "component",
"slug": "ksmf28a-e3-08",
"title": "KSMF28A-E3-08",
"brief": "KUU 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",
"circuit protection",
"ksmf28a-e3-08",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "KSMF28A-E3-08",
"manufacturer": "KUU",
"package": "SOD-123FL",
"pin_count": 2,
"category": "Circuit Protection",
"subcategory": "TVS",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a06d99dfad6a25e7d4c5ec06a2a1474a.pdf",
"parts": {
"symbol": "ksmf28a-e3-08.kicad_sym",
"footprint": "ksmf28a-e3-08.kicad_mod",
"model_3d": "ksmf28a-e3-08-hero.glb",
"model_3d_plain": "ksmf28a-e3-08-etched.glb",
"model_3d_step": "ksmf28a-e3-08-etched.step",
"model_3d_step_plain": "ksmf28a-e3-08.step",
"lbr": "ksmf28a-e3-08.lbr"
},
"distributor_links": {
"lcsc": "C2904828"
},
"distributor_check": {
"checked_at": "2026-10-30T17:20:14Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "Cathode",
"type": "passive",
"description": "Cathode terminal of the SOD-123FL package, listed in the datasheet PINNING table as pin 1."
},
{
"number": "2",
"name": "Anode",
"type": "passive",
"description": "Anode terminal of the SOD-123FL package, listed in the datasheet PINNING table as pin 2."
}
],
"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 datasheet gives a two-lead SOD-123FL pinout (pin 1 Cathode, pin 2 Anode) for the KSMF series. It; The datasheet gives no electrical limits or functional detail for the individual pins. Pin descripti"
],
"pages_sent": 4,
"cost_usd": 0.0265,
"at": "2026-10-30T17:20:06"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/a06d99dfad6a25e7d4c5ec06a2a1474a.pdf",
"pages": 4,
"sha256": "601ec5d506c70536",
"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": "ksmf28a-e3-08.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": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ksmf28a-e3-08-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": "d47968229831e3606163911389dfe9bea534da9039370936094027e4fccd4978",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "SOD-123FL",
"source_page": 4,
"D": {
"nom_mm": 2.75,
"range_mm": [
2.6,
2.9
]
},
"E1": {
"nom_mm": 1.8,
"range_mm": [
1.7,
1.9
]
},
"E": {
"nom_mm": 3.65,
"range_mm": [
3.5,
3.8
]
},
"A": {
"nom_mm": 1,
"range_mm": [
0.9,
1.1
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "ksmf28a-e3-08.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "KUU",
"Package": "SOD-123FL",
"Category": "Circuit Protection",
"Pins": "2"
},
"appearance": {
"contacts": {
"quote": "2. Mounted on 5mm copper pads to each terminal",
"page": 1,
"doc": "ds.pdf",
"material": "copper"
},
"version": 1,
"datasheet_sha256": "601ec5d506c70536387c30df0e353376b3e9412f4aec24e59f65dc6f937b68e0"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "601ec5d506c70536387c30df0e353376b3e9412f4aec24e59f65dc6f937b68e0",
"rows": [
{
"name": "Peak Pulse Power Dissipation",
"symbol": "PPPM",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 200,
"conditions": "TA=25°C, 10/1000 µs waveform (Note 1,2,5, Fig 1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Peak Forward Surge Current (UNI)",
"symbol": "IFSM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 20,
"conditions": "8.3 ms single half sinewave (Note 3)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Steady State Power Dissipation",
"symbol": "PM(AV)",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1,
"conditions": "Note 4, lead temperature TL=75°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating Junction and Storage Temperature Range",
"symbol": "TJ,TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Breakdown Voltage",
"symbol": "VBR",
"kind": "electrical",
"unit": "V",
"min": 31.1,
"typ": null,
"max": 34.4,
"conditions": "@ IT = 1 mA (KSMF28A row)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum Clamp Voltage",
"symbol": "VC",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 45.4,
"conditions": "@ IPP = 4.4 A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse Leakage Current",
"symbol": "IR",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 1,
"conditions": "@ VRWM = 28 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak Pulse Current",
"symbol": "IPP",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 4.4,
"conditions": "10/1000 µs waveform (Table 1 IPP column, KSMF28A row)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Typical Thermal Resistance Junction to Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C",
"min": null,
"typ": 180,
"max": null,
"conditions": "Typical value as printed",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Reverse Stand-Off Voltage",
"symbol": "VRWM",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": 28,
"max": null,
"conditions": "Note 6: select device with VRWM equal to or greater than DC or continuous peak operating voltage",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ksmf28a-e3-08"
],
"discovery_pitch": "KSMF28A-E3-08 (KUU) 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",
"ksmf28a-e3-08.kicad_sym",
"ksmf28a-e3-08.kicad_mod",
"ksmf28a-e3-08.glb",
"ksmf28a-e3-08.step",
"ksmf28a-e3-08.lbr",
"docs/hero.png",
"docs/ksmf28a-e3-08-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ksmf28a-e3-08-hero.glb",
"ksmf28a-e3-08-hero.overlay.json",
"ksmf28a-e3-08-etched.glb"
],
"visibility": {
"public": true
}
}