component
FMMT495TC
Public Made by Adomby adom
Diodes Incorporated Bipolar Transistors - BJT, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548
{
"schema_version": 1,
"type": "component",
"slug": "fmmt495tc",
"title": "FMMT495TC",
"brief": "Diodes Incorporated Bipolar Transistors - BJT, 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",
"triode-mos tube-transistor",
"fmmt495tc",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "FMMT495TC",
"manufacturer": "Diodes Incorporated",
"package": "SOT-23",
"pin_count": 3,
"category": "Triode/MOS Tube/Transistor",
"subcategory": "Bipolar Transistors - BJT",
"datasheet": "https://www.diodes.com/assets/Datasheets/FMMT495TC.pdf",
"parts": {
"symbol": "fmmt495tc.kicad_sym",
"footprint": "fmmt495tc.kicad_mod",
"model_3d": "fmmt495tc-hero.glb",
"model_3d_plain": "fmmt495tc-etched.glb",
"model_3d_step": "fmmt495tc-etched.step",
"model_3d_step_plain": "fmmt495tc.step",
"lbr": "fmmt495tc.lbr"
},
"distributor_links": {
"lcsc": "C5157727",
"digikey": "FMMT495TCDITR-ND",
"mouser": "522-FMMT495TC"
},
"distributor_check": {
"checked_at": "2026-10-21T09:09:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "FMMT495TCDITR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "522-FMMT495TC",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "B",
"type": "passive",
"description": "Base takes a base current IB rated at 200 mA maximum, and VBE(ON) is specified at 1.0 V maximum with IC = 500mA and VCE = 10V."
},
{
"number": "2",
"name": "E",
"type": "passive",
"description": "Emitter is the reference terminal for the 7 V emitter-base breakdown rating (BVEBO) and for the VCE(SAT) limits of 0.2 V at 250mA and 0.3 V at 500mA."
},
{
"number": "3",
"name": "C",
"type": "passive",
"description": "Collector carries 1 A continuous and 2 A peak pulse current (ICM) with a collector-emitter voltage rating of 150 V (VCEO)."
}
],
"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 extracted text shows the SOT23 pinout only as the labels 'C E B C E B' in the top-view and devic; The datasheet lists ordering variant FMMT495TC (AEC-Q101, 13-inch reel, 8 mm tape, 10,000 per reel) ; Pin descriptions are built from the maximum ratings and electrical characteristics on pages 2 and 4,"
],
"pages_sent": 7,
"cost_usd": 0.0781,
"at": "2026-10-21T09:06:22"
},
"datasheet": {
"url": "https://www.diodes.com/assets/Datasheets/FMMT495TC.pdf",
"pages": 7,
"sha256": "8e4c7c76035f56b5",
"source_tier": "mfr"
},
"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": "fmmt495tc.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": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "fmmt495tc-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": "d4fd2b6d7b3dad5097ea7e8b11654890eb1a20ce6265b4829e2b8e526f5820a1",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Diodes Incorporated",
"Package": "SOT-23",
"Category": "Triode/MOS Tube/Transistor",
"Pins": "3"
},
"appearance": {
"contacts": {
"quote": " Terminals: Finish – Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208",
"page": 1,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "8e4c7c76035f56b5daec2118cf511c29947c5f299b46dfffdc1e0f720f58be48"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "8e4c7c76035f56b5daec2118cf511c29947c5f299b46dfffdc1e0f720f58be48",
"rows": [
{
"name": "Collector-Base Voltage",
"symbol": "VCBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 170,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-Emitter Voltage",
"symbol": "VCEO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Emitter-Base Voltage",
"symbol": "VEBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Continuous Collector Current",
"symbol": "IC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak Pulse Current",
"symbol": "ICM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Base Current",
"symbol": "IB",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 200,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating and Storage Temperature Range",
"symbol": "TJ, TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Electrostatic Discharge – Human Body Model",
"symbol": "ESD HBM",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 4000,
"conditions": "JEDEC class 3A (Note 8)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Electrostatic Discharge – Machine Model",
"symbol": "ESD MM",
"kind": "absolute_maximum",
"unit": "V",
"min": 400,
"typ": null,
"max": null,
"conditions": "JEDEC class C (Note 8)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "thermal",
"unit": "mW",
"min": null,
"typ": null,
"max": 500,
"conditions": "Surface mounted on 15mm × 15mm FR4 PCB, 1 oz copper, still air (Note 6)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-Base Breakdown Voltage",
"symbol": "BVCBO",
"kind": "electrical",
"unit": "V",
"min": 170,
"typ": null,
"max": null,
"conditions": "IC = 100µA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Collector-Emitter Breakdown Voltage",
"symbol": "BVCEO",
"kind": "electrical",
"unit": "V",
"min": 150,
"typ": null,
"max": null,
"conditions": "IC = 10mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Emitter-Base Breakdown Voltage",
"symbol": "BVEBO",
"kind": "electrical",
"unit": "V",
"min": 7,
"typ": null,
"max": null,
"conditions": "IE = 100µA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Collector Cutoff Current",
"symbol": "ICBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 100,
"conditions": "VCB = 150V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Emitter Cutoff Current",
"symbol": "IEBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 100,
"conditions": "VEB = 5V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Collector Emitter Cutoff Current",
"symbol": "ICES",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 100,
"conditions": "VCE = 150V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Static Forward Current Transfer Ratio",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 100,
"typ": null,
"max": null,
"conditions": "IC = 1mA, VCE = 10V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Static Forward Current Transfer Ratio",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 100,
"typ": null,
"max": 300,
"conditions": "IC = 250mA, VCE = 10V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Static Forward Current Transfer Ratio",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 50,
"typ": null,
"max": null,
"conditions": "IC = 500mA, VCE = 10V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Static Forward Current Transfer Ratio",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 10,
"typ": null,
"max": null,
"conditions": "IC = 1A, VCE = 10V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Collector-Emitter Saturation Voltage",
"symbol": "VCE(SAT)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.2,
"conditions": "IC = 250mA, IB = 25mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Collector-Emitter Saturation Voltage",
"symbol": "VCE(SAT)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.3,
"conditions": "IC = 500mA, IB = 50mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Base-Emitter Turn-On Voltage",
"symbol": "VBE(ON)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1,
"conditions": "IC = 500mA, VCE = 10V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Base-Emitter Saturation Voltage",
"symbol": "VBE(SAT)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1,
"conditions": "IC = 500mA, IB = 50mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output Capacitance",
"symbol": "COBO",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 10,
"conditions": "VCB = 10V, f = 1MHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Transition Frequency",
"symbol": "fT",
"kind": "electrical",
"unit": "MHz",
"min": 100,
"typ": null,
"max": null,
"conditions": "VCE = 10V, IC = 50mA, f = 100MHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction to Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 250,
"max": null,
"conditions": "Surface mounted on 15mm × 15mm FR4 PCB, 1 oz copper, still air (Note 6)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction to Lead",
"symbol": "RθJL",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 197,
"max": null,
"conditions": "Junction to solder point at end of collector lead (Note 7)",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"fmmt495tc"
],
"discovery_pitch": "FMMT495TC (Diodes Incorporated) 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",
"fmmt495tc.kicad_sym",
"fmmt495tc.kicad_mod",
"fmmt495tc.glb",
"fmmt495tc.step",
"fmmt495tc.lbr",
"docs/hero.png",
"docs/fmmt495tc-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"fmmt495tc-hero.glb",
"fmmt495tc-hero.overlay.json",
"fmmt495tc-etched.glb"
],
"visibility": {
"public": true
}
}