component
BCP54
Public Made by Adomby adom
Shikues Bipolar (BJT), SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357
{
"schema_version": 1,
"type": "component",
"slug": "bcp54",
"title": "BCP54",
"brief": "Shikues Bipolar (BJT), SOT-223. 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",
"bcp54",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "BCP54",
"manufacturer": "Shikues",
"package": "SOT-223",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "Bipolar (BJT)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757068930425348096",
"parts": {
"symbol": "bcp54.kicad_sym",
"footprint": "bcp54.kicad_mod",
"model_3d": "bcp54-hero.glb",
"model_3d_plain": "bcp54-etched.glb",
"model_3d_step": "bcp54-etched.step",
"model_3d_step_plain": "bcp54.step",
"lbr": "bcp54.lbr"
},
"distributor_links": {
"lcsc": "C193030",
"mouser": "512-BCP54"
},
"distributor_check": {
"checked_at": "2026-10-18T01:51:30Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": "512-BCP54",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "B",
"type": "input",
"description": "Base of the NPN transistor; Emitter-Base voltage limit is 5 V and peak base current is 0.2 A."
},
{
"number": "2",
"name": "C",
"type": "passive",
"description": "Collector of the NPN transistor; continuous collector current is 1 A (peak 1.5 A), with VCEO of 45 V (BCP54), 60 V (BCP55) or 80 V (BCP56)."
},
{
"number": "3",
"name": "E",
"type": "passive",
"description": "Emitter of the NPN transistor, normally connected to the lowest potential in the circuit."
}
],
"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 pin table lists only 3 leads. The SOT-223 drawing on page 3 shows a larger tab at the top, but t",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 3,
"cost_usd": 0.2002,
"at": "2026-10-18T01:49:18"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757068930425348096",
"pages": 3,
"sha256": "2e4ad5b250f4fe66",
"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": "bcp54.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7,
6.5,
1.7
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "bcp54-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7,
6.5,
1.7
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "270815d3cad4a8d3760441c9fd2e300c5286113dd424e89c027b45da0554c66b",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Shikues",
"Package": "SOT-223",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "2e4ad5b250f4fe66501a2a525098972413711d92c34616118dd2ab6d8c1e7650",
"rows": [
{
"name": "Collector-Emitter cut-off current",
"symbol": "ICBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 100,
"conditions": "VCE=30V, IE=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-emitter saturation voltage",
"symbol": "VCE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "IC=500mA, IB=50mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-Base Voltage (BCP54)",
"symbol": "VCBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 45,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-Emitter Voltage (BCP54)",
"symbol": "VCEO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 45,
"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": 1,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Peak Collector Current",
"symbol": "ICM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 1.5,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Peak Base Current",
"symbol": "IBM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 0.2,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Total power consumption",
"symbol": "Ptot",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1.33,
"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 Range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal resistance from junction to environment",
"symbol": "Rth(j-a)",
"kind": "thermal",
"unit": "K/W",
"min": null,
"typ": 95,
"max": null,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal resistance from junction to solder point",
"symbol": "Rth(j-s)",
"kind": "thermal",
"unit": "K/W",
"min": null,
"typ": 13,
"max": null,
"conditions": "",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"bcp54"
],
"discovery_pitch": "BCP54 (Shikues) 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",
"bcp54.kicad_sym",
"bcp54.kicad_mod",
"bcp54.glb",
"bcp54.step",
"bcp54.lbr",
"docs/hero.png",
"docs/bcp54-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"bcp54-hero.glb",
"bcp54-hero.overlay.json",
"bcp54-etched.glb"
],
"visibility": {
"public": true
}
}