component
MMBT5401-6AF
Public Made by Adomby adom
FOSAN Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"slug": "mmbt5401-6af",
"title": "MMBT5401-6AF",
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"name": "B",
"type": "input",
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},
{
"number": "2",
"name": "E",
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},
{
"number": "3",
"name": "C",
"type": "passive",
"description": "Collector; the datasheet gives VCBO of -160 V, VCEO of -150 V and IC of -600 mA."
}
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"at": "2026-10-21T04:02:50"
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"sha256": "9d51dcb811ab21c9",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 3,
"cites_pages": true,
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"sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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},
"metadata": {
"specs": {
"Manufacturer": "FOSAN",
"Package": "SOT-23",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
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"name": "Collector-Base Voltage",
"symbol": "VCBO",
"kind": "absolute_maximum",
"unit": "V",
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"typ": null,
"max": -160,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Collector-Emitter Voltage",
"symbol": "VCEO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": -150,
"conditions": "",
"source_page": 1,
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},
{
"name": "Emitter-Base Voltage",
"symbol": "VEBO",
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{
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{
"name": "Power dissipation",
"symbol": "PC",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 300,
"conditions": "Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Junction and Storage Temperature",
"symbol": "TJ,Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction-Ambient",
"symbol": "RΘJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
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{
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{
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"unit": "V",
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"conditions": "IC= -1mA, IB=0",
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},
{
"name": "Emitter-Base Breakdown Voltage",
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"kind": "electrical",
"unit": "V",
"min": -5,
"typ": null,
"max": null,
"conditions": "IE= -10µA, IC=0",
"source_page": 2,
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},
{
"name": "Collector-Base Leakage Current",
"symbol": "ICBO",
"kind": "electrical",
"unit": "nA",
"min": null,
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"max": -100,
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{
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"conditions": "VCE= -120V, IB=0",
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{
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"min": null,
"typ": null,
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"conditions": "VEB= -5V, IC=0",
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"source": "datasheet"
},
{
"name": "DC Current Gain",
"symbol": "HFE(1)",
"kind": "electrical",
"unit": "",
"min": 80,
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"max": null,
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{
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{
"name": "Collector-Emitter Saturation Voltage",
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"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
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"conditions": "IC= -10mA, IB= -1mA",
"source_page": 2,
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},
{
"name": "Collector-Emitter Saturation Voltage",
"symbol": "VCE(sat)",
"kind": "electrical",
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"min": null,
"typ": null,
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"conditions": "IC= -50mA, IB= -5mA",
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},
{
"name": "Base-Emitter Saturation Voltage",
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"kind": "electrical",
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"typ": null,
"max": -1,
"conditions": "IC= -10mA, IB= -1mA",
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"source": "datasheet"
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{
"name": "Transition Frequency",
"symbol": "fT",
"kind": "electrical",
"unit": "MHZ",
"min": 100,
"typ": null,
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}
},
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"discovery_triggers": [
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"discovery_pitch": "MMBT5401-6AF (FOSAN) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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