component
S8550T
Public Made by Adomby adom
Slkor SLKORMICRO Elec Bipolar (BJT), SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393
{
"schema_version": 1,
"type": "component",
"slug": "s8550t",
"title": "S8550T",
"brief": "Slkor SLKORMICRO Elec Bipolar (BJT), SOT-523. 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",
"transistors-thyristors",
"s8550t",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "S8550T",
"manufacturer": "Slkor SLKORMICRO Elec",
"package": "SOT-523",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "Bipolar (BJT)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907839559262208",
"parts": {
"symbol": "s8550t.kicad_sym",
"footprint": "s8550t.kicad_mod",
"model_3d": "s8550t-hero.glb",
"model_3d_plain": "s8550t-etched.glb",
"model_3d_step": "s8550t-etched.step",
"model_3d_step_plain": "s8550t.step",
"lbr": "s8550t.lbr"
},
"distributor_links": {
"lcsc": "C53477597",
"digikey": "5399-S8550TTR-ND"
},
"distributor_check": {
"checked_at": "2026-10-18T01:52:15Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "5399-S8550TTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "B",
"type": "input",
"description": "Base of the PNP transistor; VEBO max -5 V and emitter-base breakdown V(BR)EBO min -5 V at IE=-100µA."
},
{
"number": "2",
"name": "E",
"type": "passive",
"description": "Emitter of the PNP transistor; IEBO max -0.1 µA at VEB=-3V."
},
{
"number": "3",
"name": "C",
"type": "passive",
"description": "Collector of the PNP transistor; VCEO -25 V, VCBO -40 V, continuous IC -0.5 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": [
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 3,
"cost_usd": 0.1918,
"at": "2026-10-18T01:49:03"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907839559262208",
"pages": 3,
"sha256": "fbfcfe1040be6e79",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "s8550t.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
1.5,
1.6,
0.8
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "cc0dad8548811301523f02d408449a15d8cde667e4d1c5d57e43a2b93ecfe551",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "s8550t-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
1.5,
1.6,
0.8
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "2eeffe247f0f33132ad45b0dd6122359207e56d1e62e53a01b53eb1be6b75e12",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Slkor SLKORMICRO Elec",
"Package": "SOT-523",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "fbfcfe1040be6e790d88f508eb8b1e32cd4fb42d843c4095c3af4f9255b851e2",
"rows": [
{
"name": "Collector-Base Voltage",
"symbol": "VCBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": -40,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-Emitter Voltage",
"symbol": "VCEO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": -25,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Emitter-Base Voltage",
"symbol": "VEBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": -5,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector Current -Continuous",
"symbol": "IC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": -0.5,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector Power Dissipation",
"symbol": "PC",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 0.3,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "Tj",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-base breakdown voltage",
"symbol": "V(BR)CBO",
"kind": "electrical",
"unit": "V",
"min": -40,
"typ": null,
"max": null,
"conditions": "IC = -100µA, IE=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-emitter breakdown voltage",
"symbol": "V(BR)CEO",
"kind": "electrical",
"unit": "V",
"min": -25,
"typ": null,
"max": null,
"conditions": "IC =-1mA, IB=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Emitter-base breakdown voltage",
"symbol": "V(BR)EBO",
"kind": "electrical",
"unit": "V",
"min": -5,
"typ": null,
"max": null,
"conditions": "IE= -100µA, IC=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector cut-off current",
"symbol": "ICBO",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": -0.1,
"conditions": "VCB= -40V, IE=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Emitter cut-off current",
"symbol": "IEBO",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": -0.1,
"conditions": "VEB= -3V, IC=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC current gain",
"symbol": "hFE(1)",
"kind": "electrical",
"unit": "",
"min": 200,
"typ": null,
"max": 350,
"conditions": "VCE= -1V, IC= -50mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC current gain",
"symbol": "hFE(2)",
"kind": "electrical",
"unit": "",
"min": 50,
"typ": null,
"max": null,
"conditions": "VCE= -1V, IC= -500mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-emitter saturation voltage",
"symbol": "VCE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": -0.6,
"conditions": "IC=-500mA, IB= -50mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Base-emitter saturation voltage",
"symbol": "VBE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": -1.2,
"conditions": "IC=-500mA, IB= -50mA",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"s8550t"
],
"discovery_pitch": "S8550T (Slkor SLKORMICRO Elec) 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",
"s8550t.kicad_sym",
"s8550t.kicad_mod",
"s8550t.glb",
"s8550t.step",
"s8550t.lbr",
"docs/hero.png",
"docs/s8550t-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"s8550t-hero.glb",
"s8550t-hero.overlay.json",
"s8550t-etched.glb"
],
"visibility": {
"public": true
}
}