component
CMUT2907A TR PBFREE
Public Made by Adomby adom
Central Semicon Bipolar (BJT), SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569
{
"schema_version": 1,
"type": "component",
"slug": "cmut2907a-tr-pbfree",
"title": "CMUT2907A TR PBFREE",
"brief": "Central Semicon 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",
"cmut2907a tr pbfree",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CMUT2907A TR PBFREE",
"manufacturer": "Central Semicon",
"package": "SOT-523",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "Bipolar (BJT)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757159926198079488",
"parts": {
"symbol": "cmut2907a-tr-pbfree.kicad_sym",
"footprint": "cmut2907a-tr-pbfree.kicad_mod",
"model_3d": "cmut2907a-tr-pbfree-hero.glb",
"model_3d_plain": "cmut2907a-tr-pbfree-etched.glb",
"model_3d_step": "cmut2907a-tr-pbfree-etched.step",
"model_3d_step_plain": "cmut2907a-tr-pbfree.step",
"lbr": "cmut2907a-tr-pbfree.lbr"
},
"distributor_links": {
"lcsc": "C5240500"
},
"distributor_check": {
"checked_at": "2026-10-18T14:49:30Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "Base",
"type": "input",
"description": "Base lead of the PNP transistor, with VBE(SAT) of 1.3 V at IC=150 mA, IB=15 mA and 2.6 V at IC=500 mA, IB=50 mA."
},
{
"number": "2",
"name": "Emitter",
"type": "passive",
"description": "Emitter lead of the PNP transistor, with an emitter-base breakdown BVEBO of 5.0 V minimum at IE=10 µA and a maximum VEBO rating of 5.0 V."
},
{
"number": "3",
"name": "Collector",
"type": "passive",
"description": "Collector lead of the PNP transistor, rated for 60 V VCBO and VCEO, 600 mA continuous collector current and 250 mW power dissipation."
}
],
"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: Pin numbers come from the 'LEAD CODE' list (1) Base, 2) Emitter, 3) Collector) on page 2. The SOT-52; Page 4-5 (PDN01276) states all SOT-523 package devices are discontinued and classified End of Life, ; The datasheet's ordering note says PBFREE is a plating suffix; the text does not define 'TR' as a ta"
],
"pages_sent": 5,
"cost_usd": 0.0317,
"at": "2026-10-18T14:46:00"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757159926198079488",
"pages": 5,
"sha256": "b585d16608f7d57a",
"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": "cmut2907a-tr-pbfree.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": "f0c6a9d03722b05939674b7c00b37e2bc6e402d0c3378fdc7c9d7a322b426e87",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cmut2907a-tr-pbfree-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": "b76e0a0eab2fd56a9490a1d9cceb1726852ce7224c6539d5356481a4db2842cd",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Central Semicon",
"Package": "SOT-523",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"appearance": {
"contacts": {
"quote": "1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when ordering (example: 2N2222A TIN/LEAD).",
"page": 3,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "b585d16608f7d57a0abae62e8f423c0959e3596b49a5cc4dd0fa01f838ad3ea9"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "b585d16608f7d57a0abae62e8f423c0959e3596b49a5cc4dd0fa01f838ad3ea9",
"rows": [
{
"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": 60,
"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": 5,
"conditions": "TA=25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Continuous Collector Current",
"symbol": "IC",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 600,
"conditions": "TA=25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 250,
"conditions": "TA=25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating and Storage Junction Temperature",
"symbol": "TJ, Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "TA=25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector cutoff current",
"symbol": "ICBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VCB=50V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector cutoff current",
"symbol": "ICBO",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VCB=50V, TA=125°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector cutoff current (VBE reverse)",
"symbol": "ICEV",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 50,
"conditions": "VCE=30V, VBE=0.5V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-Base Breakdown Voltage",
"symbol": "BVCBO",
"kind": "electrical",
"unit": "V",
"min": 60,
"typ": null,
"max": null,
"conditions": "IC=10µA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-Emitter Breakdown Voltage",
"symbol": "BVCEO",
"kind": "electrical",
"unit": "V",
"min": 60,
"typ": null,
"max": null,
"conditions": "IC=10mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Emitter-Base Breakdown Voltage",
"symbol": "BVEBO",
"kind": "electrical",
"unit": "V",
"min": 5,
"typ": null,
"max": null,
"conditions": "IE=10µA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-Emitter Saturation Voltage",
"symbol": "VCE(SAT)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IC=150mA, IB=15mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-Emitter Saturation Voltage",
"symbol": "VCE(SAT)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1.6,
"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": 1.3,
"conditions": "IC=150mA, IB=15mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Base-Emitter Saturation Voltage",
"symbol": "VBE(SAT)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 2.6,
"conditions": "IC=500mA, IB=50mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC Current Gain",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 75,
"typ": null,
"max": null,
"conditions": "VCE=10V, IC=0.1mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC Current Gain",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 100,
"typ": null,
"max": null,
"conditions": "VCE=10V, IC=1.0mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC Current Gain",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 100,
"typ": null,
"max": 300,
"conditions": "VCE=10V, IC=150mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "DC Current Gain",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 50,
"typ": null,
"max": null,
"conditions": "VCE=10V, IC=500mA",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Transition Frequency",
"symbol": "fT",
"kind": "electrical",
"unit": "MHz",
"min": 200,
"typ": null,
"max": null,
"conditions": "VCE=20V, IC=50mA, f=100MHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Capacitance",
"symbol": "Cob",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 8,
"conditions": "VCB=10V, IE=0, f=1.0MHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input Capacitance",
"symbol": "Cib",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 30,
"conditions": "VBE=2.0V, IC=0, f=1.0MHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Turn-on Time",
"symbol": "ton",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 45,
"conditions": "VCC=30V, VBE=0.5V, IC=150mA, IB1=15mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Delay Time",
"symbol": "td",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 10,
"conditions": "VCC=30V, VBE=0.5V, IC=150mA, IB1=15mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Rise Time",
"symbol": "tr",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 40,
"conditions": "VCC=30V, VBE=0.5V, IC=150mA, IB1=15mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Turn-off Time",
"symbol": "toff",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 100,
"conditions": "VCC=6.0V, IC=150mA, IB1=IB2=15mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Time",
"symbol": "ts",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 80,
"conditions": "VCC=6.0V, IC=150mA, IB1=IB2=15mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Fall Time",
"symbol": "tf",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 30,
"conditions": "VCC=6.0V, IC=150mA, IB1=IB2=15mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance, junction to ambient",
"symbol": "ΘJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 500,
"max": null,
"conditions": "",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"cmut2907a tr pbfree"
],
"discovery_pitch": "CMUT2907A TR PBFREE (Central Semicon) 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",
"cmut2907a-tr-pbfree.kicad_sym",
"cmut2907a-tr-pbfree.kicad_mod",
"cmut2907a-tr-pbfree.glb",
"cmut2907a-tr-pbfree.step",
"cmut2907a-tr-pbfree.lbr",
"docs/hero.png",
"docs/cmut2907a-tr-pbfree-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cmut2907a-tr-pbfree-hero.glb",
"cmut2907a-tr-pbfree-hero.overlay.json",
"cmut2907a-tr-pbfree-etched.glb"
],
"visibility": {
"public": true
}
}