component
2N3904X
Public Made by Adomby adom
Shenzhen JingYang Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523
{
"schema_version": 1,
"type": "component",
"slug": "2n3904x",
"title": "2N3904X",
"brief": "Shenzhen JingYang Bipolar (BJT), TO-92. 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",
"2n3904x",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "2N3904X",
"manufacturer": "Shenzhen JingYang",
"package": "TO-92",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "Bipolar (BJT)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590411692753920000",
"parts": {
"symbol": "2n3904x.kicad_sym",
"footprint": "2n3904x.kicad_mod",
"model_3d": "2n3904x-hero.glb",
"model_3d_plain": "2n3904x-etched.glb",
"model_3d_step": "2n3904x-etched.step",
"model_3d_step_plain": "2n3904x.step",
"lbr": "2n3904x.lbr"
},
"distributor_links": {
"lcsc": "C5156722"
},
"distributor_check": {
"checked_at": "2026-10-14T13:48:15Z",
"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 of the NPN transistor, with an absolute maximum emitter-base voltage VEBO of 6 V."
},
{
"number": "2",
"name": "Base",
"type": "passive",
"description": "Base of the NPN transistor, with an emitter-base cutoff current IEBO of at most 50 nA at VEB = 6 V."
},
{
"number": "3",
"name": "Collector",
"type": "passive",
"description": "Collector of the NPN transistor, with absolute maximum ratings of VCBO 60 V, VCEO 40 V, IC 200 mA and Ptot 625 mW."
}
],
"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 a single TO-92 pin assignment (1. Emitter, 2. Base, 3. Collector) for the 2N3903; The datasheet's pin type classification is not stated. Types were assigned as passive, following the"
],
"pages_sent": 4,
"cost_usd": 0.0269,
"at": "2026-10-14T13:48:00"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590411692753920000",
"pages": 4,
"sha256": "d8ec5402ab23b74b",
"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": "2n3904x.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": "2026-10-14",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "2n3904x-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": "11903ef8d50a20763ac72298711b3daa36d8733654d839ef4b6d98a56be7c31e",
"checked": "2026-10-14",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Shenzhen JingYang",
"Package": "TO-92",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "d8ec5402ab23b74be99cc8fff78ac3a46a4d7848216062274a9f6ae405b7b363",
"rows": [
{
"name": "DC Current Gain at VCE = 1 V, IC = 0.1 mA",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 40,
"typ": null,
"max": null,
"conditions": "VCE = 1 V, IC = 0.1 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "DC Current Gain at VCE = 1 V, IC = 1 mA",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 70,
"typ": null,
"max": null,
"conditions": "VCE = 1 V, IC = 1 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "DC Current Gain at VCE = 1 V, IC = 10 mA",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 100,
"typ": null,
"max": 300,
"conditions": "VCE = 1 V, IC = 10 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "DC Current Gain at VCE = 1 V, IC = 50 mA",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 60,
"typ": null,
"max": null,
"conditions": "VCE = 1 V, IC = 50 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "DC Current Gain at VCE = 1 V, IC = 100 mA",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 30,
"typ": null,
"max": null,
"conditions": "VCE = 1 V, IC = 100 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Gain Bandwidth Product",
"symbol": "fT",
"kind": "electrical",
"unit": "MHz",
"min": 300,
"typ": null,
"max": null,
"conditions": "VCE = 20 V, IC = 10 mA, f = 100 MHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector Base Cutoff Current",
"symbol": "ICBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 50,
"conditions": "VCB = 30 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Emitter Base Cutoff Current",
"symbol": "IEBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 50,
"conditions": "VEB = 6 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector Base Breakdown Voltage",
"symbol": "V(BR)CBO",
"kind": "electrical",
"unit": "V",
"min": 60,
"typ": null,
"max": null,
"conditions": "IC = 10 µA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector Emitter Breakdown Voltage",
"symbol": "V(BR)CEO",
"kind": "electrical",
"unit": "V",
"min": 40,
"typ": null,
"max": null,
"conditions": "IC = 1 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Emitter Base Breakdown Voltage",
"symbol": "V(BR)EBO",
"kind": "electrical",
"unit": "V",
"min": 6,
"typ": null,
"max": null,
"conditions": "IE = 10 µA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector Emitter Saturation Voltage",
"symbol": "VCE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.2,
"conditions": "IC = 10 mA, IB = 1 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector Emitter Saturation Voltage",
"symbol": "VCE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.3,
"conditions": "IC = 50 mA, IB = 5 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Base Emitter Saturation Voltage",
"symbol": "VBE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.85,
"conditions": "IC = 10 mA, IB = 1 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Base Emitter Saturation Voltage",
"symbol": "VBE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.95,
"conditions": "IC = 50 mA, IB = 5 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector Base Capacitance",
"symbol": "Cob",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 4,
"conditions": "VCB = 5 V, f = 100 KHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Delay Time",
"symbol": "td",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 35,
"conditions": "VCC = 3 V, VBE = 0.5 V, IC = 10 mA, IB1 = 1 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Rise Time",
"symbol": "tr",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 35,
"conditions": "VCC = 3 V, VBE = 0.5 V, IC = 10 mA, IB1 = 1 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Time",
"symbol": "ts",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 200,
"conditions": "VCC = 3 V, IC = 10 mA, IB1 = -IB2 = 1 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Fall Time",
"symbol": "tf",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 50,
"conditions": "VCC = 3 V, IC = 10 mA, IB1 = -IB2 = 1 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector Base Voltage",
"symbol": "VCBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 60,
"conditions": "Ta = 25 °C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector Emitter Voltage",
"symbol": "VCEO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 40,
"conditions": "Ta = 25 °C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Emitter Base Voltage",
"symbol": "VEBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 6,
"conditions": "Ta = 25 °C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector Current",
"symbol": "IC",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 200,
"conditions": "Ta = 25 °C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "Ptot",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 625,
"conditions": "Ta = 25 °C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "Tj",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "Ta = 25 °C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "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": [
"2n3904x"
],
"discovery_pitch": "2N3904X (Shenzhen JingYang) 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",
"2n3904x.kicad_sym",
"2n3904x.kicad_mod",
"2n3904x.glb",
"2n3904x.step",
"2n3904x.lbr",
"docs/hero.png",
"docs/2n3904x-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"2n3904x-hero.glb",
"2n3904x-hero.overlay.json",
"2n3904x-etched.glb"
],
"visibility": {
"public": true
}
}