component
AD-BCX54-16
Public Made by Adomby adom
Changjing Bipolar (BJT), SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450
{
"schema_version": 1,
"type": "component",
"slug": "ad-bcx54-16",
"title": "AD-BCX54-16",
"brief": "Changjing Bipolar (BJT), SOT-89-3L. 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",
"ad-bcx54-16",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "AD-BCX54-16",
"manufacturer": "Changjing",
"package": "SOT-89-3L",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "Bipolar (BJT)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a5ea7cf39029394716ec05f3773a9889.pdf",
"parts": {
"symbol": "ad-bcx54-16.kicad_sym",
"footprint": "ad-bcx54-16.kicad_mod",
"model_3d": "ad-bcx54-16-hero.glb",
"model_3d_plain": "ad-bcx54-16-etched.glb",
"model_3d_step": "ad-bcx54-16-etched.step",
"model_3d_step_plain": "ad-bcx54-16.step",
"lbr": "ad-bcx54-16.lbr"
},
"distributor_links": {
"lcsc": "C2975690"
},
"distributor_check": {
"checked_at": "2026-11-05T01:35:44Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "BASE",
"type": "input",
"description": "Base of the NPN transistor; continuous base current is rated 100 mA (peak 200 mA) and VEBO is 5 V max."
},
{
"number": "2",
"name": "COLLECTOR",
"type": "passive",
"description": "Collector of the NPN transistor, rated 1 A continuous (2 A peak), with VCEO of 45 V for the AD-BCX54 series; also connected to the tab on the package."
},
{
"number": "3",
"name": "EMITTER",
"type": "passive",
"description": "Emitter of the NPN transistor, with a VEBO limit of 5 V to the base."
}
],
"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 SOT-89-3L pin assignment (1 Base, 2 Collector, 3 Emitter) comes from the page 1 drawing. The pac; The datasheet only gives SOT-89-3L, and the AD-BCX54-16 hFE rank (100-250) is marked BD. That is con",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 6,
"cost_usd": 0.1567,
"at": "2026-11-05T01:35:36"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/a5ea7cf39029394716ec05f3773a9889.pdf",
"pages": 6,
"sha256": "b58adcf009a27c96",
"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": "ad-bcx54-16.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4.5,
1.52
],
"zmin_mm": 0,
"centre_offset_mm": 0.05,
"footprint_binding": "identity",
"sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ad-bcx54-16-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4.5,
1.52
],
"zmin_mm": 0,
"centre_offset_mm": 0.05,
"footprint_binding": "identity",
"sha256": "3452fcd463e1e938b4684a2f371ec09fe4a2040035cf92421dc21138a927b605",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Changjing",
"Package": "SOT-89-3L",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"appearance": {
"housing": {
"quote": "Peak pulsed base current (tp < 1ms) IBM 200 mA Collector power dissipation PC",
"page": 2,
"doc": "ds.pdf",
"material": "PC"
},
"version": 1,
"datasheet_sha256": "b58adcf009a27c96ec5dbe2d6925b4d1bf7446a166122eddea2eb6b716f7dcf3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "b58adcf009a27c96ec5dbe2d6925b4d1bf7446a166122eddea2eb6b716f7dcf3",
"rows": [
{
"name": "Collector-base breakdown voltage (AD-BCX54)",
"symbol": "V(BR)CBO",
"kind": "electrical",
"unit": "V",
"min": 45,
"typ": null,
"max": null,
"conditions": "IC = 0.1mA, IE = 0A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-emitter breakdown voltage (AD-BCX54)",
"symbol": "V(BR)CEO",
"kind": "electrical",
"unit": "V",
"min": 45,
"typ": null,
"max": null,
"conditions": "IC = 10mA, IB = 0A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Base-emitter breakdown voltage",
"symbol": "V(BR)EBO",
"kind": "electrical",
"unit": "V",
"min": 5,
"typ": null,
"max": null,
"conditions": "IE = 10µA, IC = 0A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-base cut-off current",
"symbol": "ICBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 100,
"conditions": "VCB = 30V, IE = 0A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Emitter-base cut-off current",
"symbol": "IEBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 100,
"conditions": "VEB = 5V, IC = 0A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "DC current gain",
"symbol": "hFE(1)",
"kind": "electrical",
"unit": "",
"min": 40,
"typ": null,
"max": null,
"conditions": "VCE = 2V, IC = 5mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "DC current gain, rank -16 range",
"symbol": "hFE(2)",
"kind": "electrical",
"unit": "",
"min": 100,
"typ": null,
"max": 250,
"conditions": "VCE = 2V, IC = 150mA; rank -16 (classification range 100 ~ 250)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "DC current gain",
"symbol": "hFE(3)",
"kind": "electrical",
"unit": "",
"min": 25,
"typ": null,
"max": null,
"conditions": "VCE = 2V, IC = 500mA",
"source_page": 2,
"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": 2,
"source": "datasheet"
},
{
"name": "Base-emitter voltage",
"symbol": "VBE",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1,
"conditions": "IC = 500mA, VCE = 2V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-base voltage (AD-BCX54)",
"symbol": "VCBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 45,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-emitter voltage (AD-BCX54)",
"symbol": "VCEO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 45,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Emitter-base voltage",
"symbol": "VEBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector continuous current",
"symbol": "IC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 1,
"conditions": "Tj = 25°C (note 1)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak pulsed collector current",
"symbol": "ICM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Base continuous current",
"symbol": "IB",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak pulsed base current",
"symbol": "IBM",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 200,
"conditions": "tp < 1ms",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector power dissipation",
"symbol": "PC",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 500,
"conditions": "Tj = 25°C (note 1)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal resistance from junction to ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 250,
"conditions": "Mounted on 1 inch² FR-4 board, 1oz copper, still air, Ta = 25°C (note 2)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating junction and storage temperature range",
"symbol": "Tj, Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ad-bcx54-16"
],
"discovery_pitch": "AD-BCX54-16 (Changjing) 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",
"ad-bcx54-16.kicad_sym",
"ad-bcx54-16.kicad_mod",
"ad-bcx54-16.glb",
"ad-bcx54-16.step",
"ad-bcx54-16.lbr",
"docs/hero.png",
"docs/ad-bcx54-16-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ad-bcx54-16-hero.glb",
"ad-bcx54-16-hero.overlay.json",
"ad-bcx54-16-etched.glb"
],
"visibility": {
"public": true
}
}