component
2N5551 C
Public Made by Adomby adom
HL Haolin Elec Bipolar (BJT), TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379
{
"schema_version": 1,
"type": "component",
"slug": "2n5551-c",
"title": "2N5551 C",
"brief": "HL Haolin Elec Bipolar (BJT), TO-92-3. 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",
"2n5551 c",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "2N5551 C",
"manufacturer": "HL Haolin Elec",
"package": "TO-92-3",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "Bipolar (BJT)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588891713494925312",
"parts": {
"symbol": "2n5551-c.kicad_sym",
"footprint": "2n5551-c.kicad_mod",
"model_3d": "2n5551-c-hero.glb",
"model_3d_plain": "2n5551-c-etched.glb",
"model_3d_step": "2n5551-c-etched.step",
"model_3d_step_plain": "2n5551-c.step",
"lbr": "2n5551-c.lbr"
},
"distributor_links": {
"lcsc": "C237266"
},
"distributor_check": {
"checked_at": "2026-10-21T02:05:23Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "EMITTER",
"type": "passive",
"description": "Emitter terminal of the NPN transistor; the emitter-base breakdown voltage V(BR)EBO is 6 V at IE=100 μA with IC=0."
},
{
"number": "2",
"name": "BASE",
"type": "passive",
"description": "Base terminal of the NPN transistor; the base-emitter saturation voltage VBEsat is 1 V at IC=50 mA and IB=5 mA."
},
{
"number": "3",
"name": "COLLECTOR",
"type": "passive",
"description": "Collector terminal of the NPN transistor; the collector-base breakdown voltage V(BR)CBO is 180 V at IC=100 μA with IE=0, and the collector current ICM is rated at 0.6 A."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet gives the TO-92 pinout (1 EMITTER, 2 BASE, 3 COLLECTOR) but does not define a package ; Pin types are mapped to KiCad ERC class 'passive' because the datasheet does not specify electrical "
],
"pages_sent": 3,
"cost_usd": 0.0128,
"at": "2026-10-21T02:02:47"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588891713494925312",
"pages": 3,
"sha256": "509befc9fc48c71e",
"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": "2n5551-c.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
4.83,
3.745,
9.8
],
"zmin_mm": -2.5,
"centre_offset_mm": 0.542,
"footprint_binding": "identity",
"sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "2n5551-c-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": [
4.83,
3.745,
9.8
],
"zmin_mm": -2.5,
"centre_offset_mm": 0.542,
"footprint_binding": "identity",
"sha256": "3cc1f7482a35de4218dd91d614c2980463e9bd7ee2d8efc70a222c400a9947f8",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HL Haolin Elec",
"Package": "TO-92-3",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "509befc9fc48c71eaf8fa97e6baaeab577446457d0f434e7157914c5b50c6974",
"rows": [
{
"name": "Collector-base breakdown voltage",
"symbol": "V(BR)CBO",
"kind": "electrical",
"unit": "V",
"min": 180,
"typ": null,
"max": null,
"conditions": "Ic= 100 μA IE=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-emitter breakdown voltage",
"symbol": "V(BR)CEO",
"kind": "electrical",
"unit": "V",
"min": 160,
"typ": null,
"max": null,
"conditions": "Ic= 100uA IB=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Emitter-base breakdown voltage",
"symbol": "V(BR)EBO",
"kind": "electrical",
"unit": "V",
"min": 6,
"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= 180V 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= 4 V IC=0",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC current gain",
"symbol": "hFE 1",
"kind": "electrical",
"unit": "",
"min": 80,
"typ": null,
"max": null,
"conditions": "VCE= 5 V, IC= 1 mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC current gain",
"symbol": "hFE 2",
"kind": "electrical",
"unit": "",
"min": 80,
"typ": null,
"max": 250,
"conditions": "VCE= 5 V, IC = 10 mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC current gain",
"symbol": "hFE 3",
"kind": "electrical",
"unit": "",
"min": 50,
"typ": null,
"max": null,
"conditions": "VCE= 5 V, IC= 50 mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-emitter saturation voltage",
"symbol": "VCEsat",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "IC= 50 mA, IB= 5 mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Base-emitter saturation voltage",
"symbol": "VBEsat",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1,
"conditions": "IC= 50 mA, IB= 5 mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Transition frequency",
"symbol": "fT",
"kind": "electrical",
"unit": "MHz",
"min": 80,
"typ": null,
"max": null,
"conditions": "VCE= 5 V,IC= 10 mA,f =30MHz",
"source_page": 1,
"source": "datasheet"
},
{
"name": "hFE classification rank C range (suffix C interpretation)",
"symbol": "hFE(2)",
"kind": "electrical",
"unit": "",
"min": 150,
"typ": null,
"max": 250,
"conditions": "Rank C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Power dissipation",
"symbol": "PCM",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 0.625,
"conditions": "Tamb=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector current",
"symbol": "ICM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 0.6,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating and storage junction temperature range",
"symbol": "TJ Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"2n5551 c"
],
"discovery_pitch": "2N5551 C (HL Haolin 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",
"2n5551-c.kicad_sym",
"2n5551-c.kicad_mod",
"2n5551-c.glb",
"2n5551-c.step",
"2n5551-c.lbr",
"docs/hero.png",
"docs/2n5551-c-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"2n5551-c-hero.glb",
"2n5551-c-hero.overlay.json",
"2n5551-c-etched.glb"
],
"visibility": {
"public": true
}
}