component
500mA
Public Made by Adomby adom
DOWO Resettable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278
{
"schema_version": 1,
"type": "component",
"slug": "500ma",
"title": "500mA",
"brief": "DOWO Resettable Fuses, 1206. 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",
"500ma",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "500mA",
"manufacturer": "DOWO",
"package": "1206",
"pin_count": 2,
"category": "Circuit Protection",
"subcategory": "Resettable Fuses",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904749921554432",
"parts": {
"symbol": "500ma.kicad_sym",
"footprint": "500ma.kicad_mod",
"model_3d": "500ma-hero.glb",
"model_3d_plain": "500ma-etched.glb",
"model_3d_step": "500ma-etched.step",
"model_3d_step_plain": "500ma.step",
"lbr": "500ma.lbr"
},
"distributor_links": {
"lcsc": "C2984676"
},
"distributor_check": {
"checked_at": "2026-10-17T02:54:52Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "1",
"type": "passive",
"description": "One terminal of the non-polarized resettable PTC fuse (IH 0.50 A, IT 1.00 A, Vmax 24 V, Imax 40 A)."
},
{
"number": "2",
"name": "2",
"type": "passive",
"description": "Other terminal of the non-polarized resettable PTC fuse (IH 0.50 A, IT 1.00 A, Vmax 24 V, Imax 40 A)."
}
],
"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+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet drawing shows a two-terminal 1206 SMD PTC with two end terminals and a marking face. I",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 2,
"cost_usd": 0.1069,
"at": "2026-10-17T02:54:35"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904749921554432",
"pages": 2,
"sha256": "1edae30e032eb087",
"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": "500ma.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.2,
1.6,
0.55
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5e6dcbe286696143d35a8ea37d91eef4b54ff3d1bd7c2c2b4dedda83d3f8e203",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "500ma-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.2,
1.6,
0.55
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "10b3345b303f1efd86cdc956a90a32ce788d8daf4c0c4086ea70c9b5b9436634",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "DOWO",
"Package": "1206",
"Category": "Circuit Protection",
"Pins": "2"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "1edae30e032eb08755994c926792cf4673cd77c6e4c6541b865f5a8e15e59839",
"rows": [
{
"name": "Hold current (maximum current at which device will not trip)",
"symbol": "IH",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "25℃ still air",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Trip current (minimum current at which device will always trip)",
"symbol": "IT",
"kind": "electrical",
"unit": "A",
"min": 1,
"typ": null,
"max": null,
"conditions": "25℃ still air",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum voltage device can withstand without damage",
"symbol": "Vmax",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 24,
"conditions": "at rated current",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum fault current device can withstand without damage",
"symbol": "Imax",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 40,
"conditions": "at rated voltage",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum time to trip",
"symbol": "Ttrip",
"kind": "electrical",
"unit": "s",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "at assigned trip current 8.0 A",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Minimum device resistance prior to tripping",
"symbol": "Rmin",
"kind": "electrical",
"unit": "Ω",
"min": 0.15,
"typ": null,
"max": null,
"conditions": "25℃ prior to tripping",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum device resistance in nontripped state",
"symbol": "R1max",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": null,
"max": 0.7,
"conditions": "nontripped state 1 hour post reflow",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"500ma"
],
"discovery_pitch": "500mA (DOWO) 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",
"500ma.kicad_sym",
"500ma.kicad_mod",
"500ma.glb",
"500ma.step",
"500ma.lbr",
"docs/hero.png",
"docs/500ma-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"500ma-hero.glb",
"500ma-hero.overlay.json",
"500ma-etched.glb"
],
"visibility": {
"public": true
}
}