component
SM15T27A
Public Made by Adomby adom
STMicroelectronics ESD And Surge Protection (TVS/ESD), DO-214AB. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388
{
"schema_version": 1,
"type": "component",
"slug": "sm15t27a",
"title": "SM15T27A",
"brief": "STMicroelectronics ESD And Surge Protection (TVS/ESD), DO-214AB. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"circuit protection",
"sm15t27a",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SM15T27A",
"manufacturer": "STMicroelectronics",
"package": "DO-214AB",
"pin_count": 2,
"category": "Circuit Protection",
"subcategory": "ESD And Surge Protection (TVS/ESD)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602995559682748416",
"parts": {
"symbol": "sm15t27a.kicad_sym",
"footprint": "sm15t27a.kicad_mod",
"model_3d": "sm15t27a-hero.glb",
"model_3d_plain": "sm15t27a-etched.glb",
"model_3d_step": "sm15t27a-etched.step",
"model_3d_step_plain": "sm15t27a.step",
"lbr": "sm15t27a.lbr"
},
"distributor_links": {
"lcsc": "C2970445",
"digikey": "497-7869-2-ND",
"mouser": "511-SM15T27A"
},
"distributor_check": {
"checked_at": "2026-10-15T14:32:06Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-7869-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "511-SM15T27A",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "K",
"type": "passive",
"description": "Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint."
},
{
"number": "2",
"name": "A",
"type": "passive",
"description": "Anode."
}
],
"provenance": {
"extractor": "extract_pins",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins",
"primary_model": "cathode-band convention",
"primary_mode": "convention",
"consensus_model": null,
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 12,
"cost_usd": 0.0019,
"at": "2026-10-15T14:31:49"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602995559682748416",
"pages": 12,
"sha256": "3d4c7f4c7f31852c",
"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": "sm15t27a.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
8,
5.9,
2.31
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "30dab4c2e22239b7e3694a4d45304e04255c6b70a79d28e9c34c6072ba647991",
"checked": "2026-10-15",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sm15t27a-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
8,
5.9,
2.31
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dfd95ed15cbebc59ce3963fa7d54bcba3824ed15b0761f067ab089c8341a398f",
"checked": "2026-10-15",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "DO-214AB",
"Category": "Circuit Protection",
"Pins": "2"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "3d4c7f4c7f31852cf00c9631b55bf65b51582036646e1c8386a098656edb9144",
"rows": [
{
"name": "Reverse leakage current at VRM, 25 °C",
"symbol": "IRM",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 0.2,
"conditions": "at VRM, Tamb = 25 °C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Reverse leakage current at VRM, 85 °C",
"symbol": "IRM",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "at VRM, 85 °C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Breakdown voltage",
"symbol": "VBR",
"kind": "electrical",
"unit": "V",
"min": 25.7,
"typ": 27,
"max": 28.4,
"conditions": "at IBR = 1 mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Clamping voltage, 10/1000 µs",
"symbol": "VCL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 37.5,
"conditions": "10/1000 µs, IPP = 40 A",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Peak pulse current, 10/1000 µs",
"symbol": "IPP",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 40,
"conditions": "10/1000 µs",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Dynamic resistance, 10/1000 µs",
"symbol": "RD",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 0.228,
"conditions": "10/1000 µs",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Clamping voltage, 8/20 µs",
"symbol": "VCL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 48.3,
"conditions": "8/20 µs, IPP = 207 A",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Peak pulse current, 8/20 µs",
"symbol": "IPP",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 207,
"conditions": "8/20 µs",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Dynamic resistance, 8/20 µs",
"symbol": "RD",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 0.096,
"conditions": "8/20 µs",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Temperature coefficient of VBR/VCL",
"symbol": "αT",
"kind": "temperature_coefficient",
"unit": "10-4/°C",
"min": null,
"typ": 9.6,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Peak pulse voltage, IEC 61000-4-2 contact discharge",
"symbol": "VPP",
"kind": "absolute_maximum",
"unit": "kV",
"min": null,
"typ": null,
"max": 30,
"conditions": "IEC 61000-4-2, C = 150 pF, R = 330 Ω, contact discharge",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak pulse voltage, IEC 61000-4-2 air discharge",
"symbol": "VPP",
"kind": "absolute_maximum",
"unit": "kV",
"min": null,
"typ": null,
"max": 30,
"conditions": "IEC 61000-4-2, C = 150 pF, R = 330 Ω, air discharge",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak pulse power dissipation",
"symbol": "PPP",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1500,
"conditions": "Tj initial = Tamb",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating junction temperature range",
"symbol": "Tj",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum lead temperature for soldering",
"symbol": "TL",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "during 10 s",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"sm15t27a"
],
"discovery_pitch": "SM15T27A (STMicroelectronics) 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",
"sm15t27a.kicad_sym",
"sm15t27a.kicad_mod",
"sm15t27a.glb",
"sm15t27a.step",
"sm15t27a.lbr",
"docs/hero.png",
"docs/sm15t27a-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"sm15t27a-hero.glb",
"sm15t27a-hero.overlay.json",
"sm15t27a-etched.glb"
],
"visibility": {
"public": true
}
}