component
STTH8S12D
Public Made by Adomby adom
STMicroelectronics Fast Recovery / High Efficiency Diodes, TO-220AC. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365
{
"schema_version": 1,
"type": "component",
"slug": "stth8s12d",
"title": "STTH8S12D",
"brief": "STMicroelectronics Fast Recovery / High Efficiency Diodes, TO-220AC. 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",
"diodes",
"stth8s12d",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "STTH8S12D",
"manufacturer": "STMicroelectronics",
"package": "TO-220AC",
"pin_count": 2,
"category": "Diodes",
"subcategory": "Fast Recovery / High Efficiency Diodes",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588895615564177408",
"parts": {
"symbol": "stth8s12d.kicad_sym",
"footprint": "stth8s12d.kicad_mod",
"model_3d": "stth8s12d-hero.glb",
"model_3d_plain": "stth8s12d-etched.glb",
"model_3d_step": "stth8s12d-etched.step",
"model_3d_step_plain": "stth8s12d.step",
"lbr": "stth8s12d.lbr"
},
"distributor_links": {
"lcsc": "C377924",
"digikey": "497-15573-5-ND",
"mouser": "511-STTH8S12D"
},
"distributor_check": {
"checked_at": "2026-10-15T21:07:42Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-15573-5-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "511-STTH8S12D",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "K",
"type": "passive",
"description": "Cathode lead, which is also connected to the metal tab; the device is rated for VRRM of 1200 V and IF(AV) of 8 A."
},
{
"number": "2",
"name": "A",
"type": "passive",
"description": "Anode lead; forward current is rated at IF(AV) 8 A (Tc = 110 °C, δ = 0.5) and 25 A RMS."
}
],
"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 labels the leads only as A and K and prints no pin numbers. The mapping 1 = K,",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 8,
"cost_usd": 0.0955,
"at": "2026-10-15T21:07:29"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588895615564177408",
"pages": 8,
"sha256": "4549f9e84d319b5f",
"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": "stth8s12d.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
10.25,
4.455,
28.525
],
"zmin_mm": -9.75,
"centre_offset_mm": 0.932,
"footprint_binding": "identity",
"sha256": "7656d388eca6f6d919aeb1661b7e60b68bc363359af24e92c0d3447fa0fe5801",
"checked": "2026-10-15",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "stth8s12d-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
10.25,
4.455,
28.525
],
"zmin_mm": -9.75,
"centre_offset_mm": 0.932,
"footprint_binding": "identity",
"sha256": "bc4686ce58abed2a9d159b79f1aa96b447bd38204c17e858d74f53e9f824f1c0",
"checked": "2026-10-15",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "TO-220AC",
"Category": "Diodes",
"Pins": "2"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "4549f9e84d319b5ff0501c90a619574684e7887c179f323018ac82b7479cd3f8",
"rows": [
{
"name": "Repetitive peak reverse voltage",
"symbol": "VRRM",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 1200,
"conditions": "Tj = 25 °C, unless otherwise specified",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Forward rms current",
"symbol": "IF(RMS)",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 25,
"conditions": "Tj = 25 °C, unless otherwise specified",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Average forward current",
"symbol": "IF(AV)",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 8,
"conditions": "δ = 0.5, Tc = 110 °C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Surge non repetitive forward current",
"symbol": "IFSM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 70,
"conditions": "tp = 10 ms sinusoidal",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 175,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum operating junction temperature",
"symbol": "Tj",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 175,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction to case thermal resistance",
"symbol": "Rth(j-c)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 2.3,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse leakage current",
"symbol": "IR",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 5,
"conditions": "Tj = 25 °C, VR = VRRM",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse leakage current",
"symbol": "IR",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 20,
"max": 200,
"conditions": "Tj = 150 °C, VR = VRRM",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Forward voltage drop",
"symbol": "VF",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 2.7,
"conditions": "Tj = 25 °C, IF = 8 A, pulse tp = 380 µs, δ < 2%",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Forward voltage drop",
"symbol": "VF",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.75,
"max": 2.5,
"conditions": "Tj = 150 °C, IF = 8 A, pulse tp = 380 µs, δ < 2%",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse recovery time",
"symbol": "trr",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 32,
"max": 45,
"conditions": "Tj = 25 °C, IF = 1 A, VR = 30 V, dIF/dt = 200 A/µs",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse recovery current",
"symbol": "IRM",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 11,
"max": 15,
"conditions": "Tj = 125 °C, IF = 8 A, VR = 600 V, dIF/dt = 200 A/µs",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Recommended torque value (mounting)",
"symbol": "",
"kind": "recommended_operating",
"unit": "N·m",
"min": 0.4,
"typ": null,
"max": 0.6,
"conditions": "Recommended torque value",
"source_page": 5,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"stth8s12d"
],
"discovery_pitch": "STTH8S12D (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",
"stth8s12d.kicad_sym",
"stth8s12d.kicad_mod",
"stth8s12d.glb",
"stth8s12d.step",
"stth8s12d.lbr",
"docs/hero.png",
"docs/stth8s12d-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"stth8s12d-hero.glb",
"stth8s12d-hero.overlay.json",
"stth8s12d-etched.glb"
],
"visibility": {
"public": true
}
}