component
MMBT3906Q-7-F
Public Made by Adomby adom
Diodes Incorporated Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
mmbt3906q-7-f: specified limits as data (metadata.characteristics, 45 rows from the datasheet)
8073641
16d ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741
{
"schema_version": 1,
"type": "component",
"slug": "mmbt3906q-7-f",
"title": "MMBT3906Q-7-F",
"brief": "Diodes Incorporated Bipolar (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",
"transistors-thyristors",
"mmbt3906q-7-f",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MMBT3906Q-7-F",
"manufacturer": "Diodes Incorporated",
"package": "SOT-23",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "Bipolar (BJT)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560093130894188544",
"parts": {
"symbol": "mmbt3906q-7-f.kicad_sym",
"footprint": "mmbt3906q-7-f.kicad_mod",
"model_3d": "mmbt3906q-7-f-hero.glb",
"model_3d_plain": "mmbt3906q-7-f.glb",
"model_3d_step": "mmbt3906q-7-f-etched.step",
"model_3d_step_plain": "mmbt3906q-7-f.step",
"lbr": "mmbt3906q-7-f.lbr"
},
"distributor_links": {
"lcsc": "C460100",
"mouser": "621-MMBT3906Q-7-F"
},
"distributor_check": {
"checked_at": "2026-10-09T22:33:45Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "deferred",
"error": "shared DigiKey quota guard: 546 calls left today"
},
"mouser": {
"pn": "621-MMBT3906Q-7-F",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "B",
"type": "input",
"description": "Base of the PNP transistor; the datasheet pin-out shows it at the bottom left in top view, and the device is rated for VEBO of -6.0 V and peak base current IBM of -100 mA."
},
{
"number": "2",
"name": "E",
"type": "passive",
"description": "Emitter of the PNP transistor; the datasheet pin-out shows it at the bottom right in top view, and the emitter-base breakdown voltage BVEBO is -6.0 V minimum."
},
{
"number": "3",
"name": "C",
"type": "passive",
"description": "Collector of the PNP transistor; the datasheet pin-out shows it as the single pin on the top side in top view, and it is rated for VCEO of -40 V and IC of -200 mA."
}
],
"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 pin-out drawing on page 1 labels the pins only by function (C top, B bottom-left, E bottom-right; The datasheet covers the MMBT3906 family. MMBT3906Q-7-F is the automotive variant in the same SOT23 ",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 7,
"cost_usd": 0.1391,
"at": "2026-10-09T22:31:15"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560093130894188544",
"pages": 7,
"sha256": "a1cb87cc10d8aaf8",
"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": "mmbt3906q-7-f.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": "2026-10-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mmbt3906q-7-f-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": "60ab550e0d4a7053df8409f0b2fc4a04507281583696d5248e32354ca3dcb318",
"checked": "2026-10-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Diodes Incorporated",
"Package": "SOT-23",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "a1cb87cc10d8aaf8",
"rows": [
{
"name": "Collector-Base Voltage",
"symbol": "VCBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": -40,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-Emitter Voltage",
"symbol": "VCEO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": -40,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Emitter-Base Voltage",
"symbol": "VEBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": -6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector Current",
"symbol": "IC",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": -200,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak Collector Current",
"symbol": "ICM",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": -200,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak Base Current",
"symbol": "IBM",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": -100,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "thermal",
"unit": "mW",
"min": null,
"typ": null,
"max": 310,
"conditions": "Note 6 (minimum pad layout)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "thermal",
"unit": "mW",
"min": null,
"typ": null,
"max": 350,
"conditions": "Note 7 (15 mm x 15 mm 1oz copper)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction to Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 403,
"conditions": "Note 6 (minimum pad layout)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction to Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 357,
"conditions": "Note 7 (15 mm x 15 mm 1oz copper)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction to Leads",
"symbol": "RθJL",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 350,
"conditions": "Note 8 (junction to solder point)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating and Storage Temperature Range",
"symbol": "TJ,TSTG",
"kind": "thermal",
"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": "Note 9, JEDEC Class 3A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Electrostatic Discharge—Machine Model",
"symbol": "ESD MM",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 400,
"conditions": "Note 9, JEDEC Class C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-Base Breakdown Voltage",
"symbol": "BVCBO",
"kind": "electrical",
"unit": "V",
"min": -40,
"typ": null,
"max": null,
"conditions": "IC = -100μA, IE = 0",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Collector-Emitter Breakdown Voltage",
"symbol": "BVCEO",
"kind": "electrical",
"unit": "V",
"min": -40,
"typ": null,
"max": null,
"conditions": "IC = -10mA, IB = 0",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Emitter-Base Breakdown Voltage",
"symbol": "BVEBO",
"kind": "electrical",
"unit": "V",
"min": -6,
"typ": null,
"max": null,
"conditions": "IE = -100μA, IC = 0",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Collector Cutoff Current",
"symbol": "ICEV",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": -50,
"conditions": "VCE = -30V, VBE = 3.0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Emitter-Base Cutoff Current",
"symbol": "IEBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": -50,
"conditions": "VEB = -5V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DC Current Gain",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 60,
"typ": null,
"max": null,
"conditions": "IC = -100µA, VCE = -1.0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DC Current Gain",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 80,
"typ": null,
"max": null,
"conditions": "IC = -1.0mA, VCE = -1.0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DC Current Gain",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 100,
"typ": null,
"max": null,
"conditions": "IC = -10mA, VCE = -1.0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DC Current Gain",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": 30,
"typ": null,
"max": null,
"conditions": "IC = -100mA, VCE = -1.0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "DC Current Gain",
"symbol": "hFE",
"kind": "electrical",
"unit": "",
"min": null,
"typ": null,
"max": 300,
"conditions": "IC = -100µA to -100mA, VCE = -1.0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Collector-Emitter Saturation Voltage",
"symbol": "VCE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": -0.25,
"conditions": "IC = -10mA, IB = -1.0mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Collector-Emitter Saturation Voltage",
"symbol": "VCE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": -0.4,
"conditions": "IC = -50mA, IB = -5.0mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Base-Emitter Saturation Voltage",
"symbol": "VBE(sat)",
"kind": "electrical",
"unit": "V",
"min": -0.65,
"typ": null,
"max": null,
"conditions": "IC = -10mA, IB = -1.0mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Base-Emitter Saturation Voltage",
"symbol": "VBE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": -0.85,
"conditions": "IC = -10mA, IB = -1.0mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Base-Emitter Saturation Voltage",
"symbol": "VBE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": -0.95,
"conditions": "IC = -50mA, IB = -5.0mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output Capacitance",
"symbol": "Cobo",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 4.5,
"conditions": "VCB = -5.0V, f = 1.0MHz, IE = 0",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input Capacitance",
"symbol": "Cibo",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 10,
"conditions": "VEB = -0.5V, f = 1.0MHz, IC = 0",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input Impedance",
"symbol": "hie",
"kind": "electrical",
"unit": "kΩ",
"min": 2,
"typ": null,
"max": null,
"conditions": "VCE = 10V, IC = 1.0mA, f = 1.0kHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input Impedance",
"symbol": "hie",
"kind": "electrical",
"unit": "kΩ",
"min": null,
"typ": null,
"max": 12,
"conditions": "VCE = 10V, IC = 1.0mA, f = 1.0kHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Voltage Feedback Ratio",
"symbol": "hre",
"kind": "electrical",
"unit": "× 10-4",
"min": 0.1,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Voltage Feedback Ratio",
"symbol": "hre",
"kind": "electrical",
"unit": "× 10-4",
"min": null,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Small Signal Current Gain",
"symbol": "hfe",
"kind": "electrical",
"unit": "",
"min": 100,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Small Signal Current Gain",
"symbol": "hfe",
"kind": "electrical",
"unit": "",
"min": null,
"typ": null,
"max": 400,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output Admittance",
"symbol": "hoe",
"kind": "electrical",
"unit": "μS",
"min": 3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output Admittance",
"symbol": "hoe",
"kind": "electrical",
"unit": "μS",
"min": null,
"typ": null,
"max": 60,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Current Gain-Bandwidth Product",
"symbol": "fT",
"kind": "electrical",
"unit": "MHz",
"min": 250,
"typ": null,
"max": null,
"conditions": "VCE = -20V, IC = -10mA, f = 100MHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Noise Figure",
"symbol": "NF",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": null,
"max": 4,
"conditions": "VCE = -5.0V, IC = -100μA, RS = 1.0kΩ, f = 1.0kHz",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Delay Time",
"symbol": "td",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": null,
"max": 35,
"conditions": "VCC = -3.0V, IC = -10mA, VBE(off) = 0.5V, IB1 = -1.0mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Rise Time",
"symbol": "tr",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": null,
"max": 35,
"conditions": "VCC = -3.0V, IC = -10mA, VBE(off) = 0.5V, IB1 = -1.0mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage Time",
"symbol": "ts",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": null,
"max": 225,
"conditions": "VCC = -3.0V, IC = -10mA, IB1 = IB2 = -1.0mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Fall Time",
"symbol": "tf",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": null,
"max": 75,
"conditions": "VCC = -3.0V, IC = -10mA, IB1 = IB2 = -1.0mA",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"mmbt3906q-7-f"
],
"discovery_pitch": "MMBT3906Q-7-F (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",
"mmbt3906q-7-f.kicad_sym",
"mmbt3906q-7-f.kicad_mod",
"mmbt3906q-7-f.glb",
"mmbt3906q-7-f.step",
"mmbt3906q-7-f.lbr",
"docs/hero.png",
"docs/mmbt3906q-7-f-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"mmbt3906q-7-f-hero.glb",
"mmbt3906q-7-f-hero.overlay.json"
],
"visibility": {
"public": true
}
}