component
SMAJ170CA
Public Made by Adomby adom
Liown TVS, SMA(DO-214AC). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325
{
"schema_version": 1,
"type": "component",
"slug": "smaj170ca",
"title": "SMAJ170CA",
"brief": "Liown TVS, SMA(DO-214AC). 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",
"tvs-fuse-board level protection",
"smaj170ca",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SMAJ170CA",
"manufacturer": "Liown",
"package": "SMA(DO-214AC)",
"pin_count": 2,
"category": "TVS/Fuse/Board Level Protection",
"subcategory": "TVS",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a0f1b3f43271a7906a4f3a6f903f1667.pdf",
"parts": {
"symbol": "smaj170ca.kicad_sym",
"footprint": "smaj170ca.kicad_mod",
"model_3d": "smaj170ca-hero.glb",
"model_3d_plain": "smaj170ca-etched.glb",
"model_3d_step": "smaj170ca-etched.step",
"model_3d_step_plain": "smaj170ca.step",
"lbr": "smaj170ca.lbr"
},
"distributor_links": {
"lcsc": "C49066930"
},
"distributor_check": {
"checked_at": "2026-10-21T13:55:48Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "1",
"type": "passive",
"description": "Terminal 1 of an unpolarised fuse; either orientation."
},
{
"number": "2",
"name": "2",
"type": "passive",
"description": "Terminal 2 of an unpolarised fuse; either orientation."
}
],
"provenance": {
"extractor": "extract_pins",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins",
"primary_model": "two-terminal 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": 6,
"cost_usd": 0.0015,
"at": "2026-10-21T13:46:39"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/a0f1b3f43271a7906a4f3a6f903f1667.pdf",
"pages": 6,
"sha256": "72f93693a72670d2",
"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": "smaj170ca.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
2.7,
2.22
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "1cfddd4e3b1bf22b8fc6ee3258c2aade882ed7b85b528e23b9db42437775a1db",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "smaj170ca-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
2.7,
2.22
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "1106bbd2b9f5b6e9ad972cc2686a341170a23f119ccf9c4955dab3c7fe9d097c",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Liown",
"Package": "SMA(DO-214AC)",
"Category": "TVS/Fuse/Board Level Protection",
"Pins": "2"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "72f93693a72670d25362c90112f66e183059dcdf3ee0afd957fd2d89d8f24ec3",
"rows": [
{
"name": "Peak pulse power dissipation (10/1000μs waveform)",
"symbol": "PPPM",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 400,
"conditions": "10/1000μs waveform (Note 1, Note 2, Fig.1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Steady state power dissipation",
"symbol": "PM(AV)",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 3.3,
"conditions": "TA=50℃ (Fig.5)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Peak forward surge current",
"symbol": "IFSM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 60,
"conditions": "8.3ms single half sine-wave superimposed on rated load, (JEDEC Method) (Note3, Fig.6)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating 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": "Typical thermal resistance junction to lead",
"symbol": "RθJL",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 30,
"max": null,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Typical thermal resistance junction to ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 120,
"max": null,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Breakdown voltage (minimum)",
"symbol": "VB",
"kind": "electrical",
"unit": "V",
"min": 189,
"typ": null,
"max": null,
"conditions": "@IT = 1 mA (test current, bidirectional SMAJ170CA)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Breakdown voltage (maximum)",
"symbol": "VB",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 209,
"conditions": "@IT = 1 mA (test current, bidirectional SMAJ170CA)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum clamping voltage",
"symbol": "VC",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 275,
"conditions": "@IPP = 1.5 A peak pulse current",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse stand-off voltage",
"symbol": "VR",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 170,
"max": null,
"conditions": "Uni. and Bi. (CA) column as printed",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse leakage current",
"symbol": "IR",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 1,
"conditions": "@VR = 170 V",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"smaj170ca"
],
"discovery_pitch": "SMAJ170CA (Liown) 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",
"smaj170ca.kicad_sym",
"smaj170ca.kicad_mod",
"smaj170ca.glb",
"smaj170ca.step",
"smaj170ca.lbr",
"docs/hero.png",
"docs/smaj170ca-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"smaj170ca-hero.glb",
"smaj170ca-hero.overlay.json",
"smaj170ca-etched.glb"
],
"visibility": {
"public": true
}
}