component
LMUN2135LT1G
Public Made by Adomby adom
LRC Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475
{
"schema_version": 1,
"type": "component",
"slug": "lmun2135lt1g",
"title": "LMUN2135LT1G",
"brief": "LRC Digital Transistors, SOT-23. 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",
"lmun2135lt1g",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LMUN2135LT1G",
"manufacturer": "LRC",
"package": "SOT-23",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "Digital Transistors",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586187927546171392",
"parts": {
"symbol": "lmun2135lt1g.kicad_sym",
"footprint": "lmun2135lt1g.kicad_mod",
"model_3d": "lmun2135lt1g-hero.glb",
"model_3d_plain": "lmun2135lt1g-etched.glb",
"model_3d_step": "lmun2135lt1g-etched.step",
"model_3d_step_plain": "lmun2135lt1g.step",
"lbr": "lmun2135lt1g.lbr"
},
"distributor_links": {
"lcsc": "C136189"
},
"distributor_check": {
"checked_at": "2026-10-18T11:54:35Z",
"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 input of the PNP BRT, connected through the internal series base resistor R1 (1 kΩ) to the transistor base."
},
{
"number": "2",
"name": "EMITTER",
"type": "power_in",
"description": "Emitter is the common reference (labelled GROUND on the datasheet), tied to the internal base-emitter resistor R2, with VEB rated at 6.0 V for the emitter-base cutoff test."
},
{
"number": "3",
"name": "COLLECTOR",
"type": "output",
"description": "Collector output of the BRT, rated for a collector-emitter voltage VCEO of 50 Vdc and a collector current IC of 100 mAdc."
}
],
"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 1/2/3 functions are taken from the page 1 schematic and pin labels (BASE/EMITTER/COLLECTOR). The; The datasheet does not state a specific voltage or current limit for the emitter pin itself. The des"
],
"pages_sent": 4,
"cost_usd": 0.0284,
"at": "2026-10-18T11:52:12"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586187927546171392",
"pages": 4,
"sha256": "6ac369f383f745c1",
"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": "lmun2135lt1g.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lmun2135lt1g-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f32987b746df9e9740c39800016b9f31b3e6a7211bedd60ca5e77ca5305bb17f",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "LRC",
"Package": "SOT-23",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "6ac369f383f745c1ef25a5194dafdff1e179fe261dbd390e7eb7347eb5cfd2f4",
"rows": [
{
"name": "Collector-Base Cutoff Current",
"symbol": "ICBO",
"kind": "electrical",
"unit": "nAdc",
"min": null,
"typ": null,
"max": 100,
"conditions": "VCB = 50 V, IE = 0",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-Emitter Cutoff Current",
"symbol": "ICEO",
"kind": "electrical",
"unit": "nAdc",
"min": null,
"typ": null,
"max": 500,
"conditions": "VCE = 50 V, IB = 0",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Emitter-Base Cutoff Current",
"symbol": "IEBO",
"kind": "electrical",
"unit": "mAdc",
"min": null,
"typ": null,
"max": 0.2,
"conditions": "VBE = 6.0 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-Base Breakdown Voltage",
"symbol": "V(BR)CBO",
"kind": "electrical",
"unit": "Vdc",
"min": 50,
"typ": null,
"max": null,
"conditions": "IC = 10 µA, IE = 0",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-Emitter Breakdown Voltage",
"symbol": "V(BR)CEO",
"kind": "electrical",
"unit": "Vdc",
"min": 50,
"typ": null,
"max": null,
"conditions": "IC = 2.0 mA, IB = 0",
"source_page": 2,
"source": "datasheet"
},
{
"name": "DC Current Gain",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 80,
"typ": null,
"max": null,
"conditions": "VCE = 10 V, IC = 5.0 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-Emitter Saturation Voltage",
"symbol": "VCE(sat)",
"kind": "electrical",
"unit": "Vdc",
"min": null,
"typ": null,
"max": 0.25,
"conditions": "IC = 10 mA, IB = 1 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Voltage (on)",
"symbol": "VOL",
"kind": "electrical",
"unit": "Vdc",
"min": null,
"typ": null,
"max": 0.2,
"conditions": "VCC = 5.0 V, VB = 2.5 V, RL = 1.0 kΩ",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Voltage (off)",
"symbol": "VOH",
"kind": "electrical",
"unit": "Vdc",
"min": 4.9,
"typ": null,
"max": null,
"conditions": "VCC = 5.0 V, VB = 0.25 V, RL = 1.0 kΩ",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input Resistor",
"symbol": "R1",
"kind": "electrical",
"unit": "kΩ",
"min": 1.54,
"typ": 2.2,
"max": 2.86,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Resistor Ratio R1/R2",
"symbol": "R1/R2",
"kind": "electrical",
"unit": "",
"min": 0.038,
"typ": 0.047,
"max": 0.056,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-Base Voltage",
"symbol": "VCBO",
"kind": "absolute_maximum",
"unit": "Vdc",
"min": null,
"typ": null,
"max": 50,
"conditions": "TA = 25°C unless otherwise noted",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-Emitter Voltage",
"symbol": "VCEO",
"kind": "absolute_maximum",
"unit": "Vdc",
"min": null,
"typ": null,
"max": 50,
"conditions": "TA = 25°C unless otherwise noted",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector Current",
"symbol": "IC",
"kind": "absolute_maximum",
"unit": "mAdc",
"min": null,
"typ": null,
"max": 100,
"conditions": "TA = 25°C unless otherwise noted",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Total Device Dissipation (FR-4 @ Minimum Pad)",
"symbol": "PD",
"kind": "thermal",
"unit": "mW",
"min": null,
"typ": null,
"max": 246,
"conditions": "TA = 25°C, Note 1 (FR-4 @ Minimum Pad)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Total Device Dissipation (FR-4 @ 1.0 x 1.0 inch Pad)",
"symbol": "PD",
"kind": "thermal",
"unit": "mW",
"min": null,
"typ": null,
"max": 400,
"conditions": "TA = 25°C, Note 2 (FR-4 @ 1.0 x 1.0 inch Pad)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Derate above 25°C (FR-4 @ Minimum Pad)",
"symbol": "",
"kind": "thermal",
"unit": "mW/°C",
"min": null,
"typ": null,
"max": 2,
"conditions": "Note 1 (FR-4 @ Minimum Pad)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Derate above 25°C (FR-4 @ 1.0 x 1.0 inch Pad)",
"symbol": "",
"kind": "thermal",
"unit": "mW/°C",
"min": null,
"typ": null,
"max": 3.2,
"conditions": "Note 2 (FR-4 @ 1.0 x 1.0 inch Pad)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance – Junction-to-Ambient (FR-4 @ Minimum Pad)",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 508,
"conditions": "Note 1 (FR-4 @ Minimum Pad)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance – Junction-to-Ambient (FR-4 @ 1.0 x 1.0 inch Pad)",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 311,
"conditions": "Note 2 (FR-4 @ 1.0 x 1.0 inch Pad)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance – Junction-to-Lead (FR-4 @ Minimum Pad)",
"symbol": "RθJL",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 174,
"conditions": "Note 1 (FR-4 @ Minimum Pad)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance – Junction-to-Lead (FR-4 @ 1.0 x 1.0 inch Pad)",
"symbol": "RθJL",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 208,
"conditions": "Note 2 (FR-4 @ 1.0 x 1.0 inch Pad)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Junction and Storage 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": [
"lmun2135lt1g"
],
"discovery_pitch": "LMUN2135LT1G (LRC) 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",
"lmun2135lt1g.kicad_sym",
"lmun2135lt1g.kicad_mod",
"lmun2135lt1g.glb",
"lmun2135lt1g.step",
"lmun2135lt1g.lbr",
"docs/hero.png",
"docs/lmun2135lt1g-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lmun2135lt1g-hero.glb",
"lmun2135lt1g-hero.overlay.json",
"lmun2135lt1g-etched.glb"
],
"visibility": {
"public": true
}
}