component
GBU401
Public Made by Adomby adom
Changjing Bridge Rectifiers, GBU. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "gbu401",
"title": "GBU401",
"brief": "Changjing Bridge Rectifiers, GBU. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"manufacturer": "Changjing",
"package": "GBU",
"pin_count": 4,
"category": "Diodes",
"subcategory": "Bridge Rectifiers",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/398cba210cc962eff310f7f55d8df547.pdf",
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"lbr": "gbu401.lbr"
},
"distributor_links": {
"lcsc": "C5292672",
"digikey": "GBU401DI-ND",
"mouser": "821-GBU401"
},
"distributor_check": {
"checked_at": "2026-10-23T06:02:29Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "GBU401DI-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "821-GBU401",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "+",
"type": "passive",
"description": "Positive DC output of the bridge; rated for 4 A average rectified output (Tc=100℃ with heatsink) and VRRM 50V-1000V by suffix."
},
{
"number": "2",
"name": "2",
"type": "passive",
"description": "AC input terminal of the bridge; maximum RMS voltage 35V to 700V depending on the suffix."
},
{
"number": "3",
"name": "3",
"type": "passive",
"description": "AC input terminal of the bridge; maximum RMS voltage 35V to 700V depending on the suffix."
},
{
"number": "4",
"name": "-",
"type": "passive",
"description": "Negative DC output of the bridge (return); terminals-to-case dielectric strength 2 kV AC for 1 minute."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
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"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet text does not print pin numbers. The pin numbers 1-4 were assigned from the order of t; The datasheet covers the whole GBU4005 to GBU410 family. No table maps the MPN 'GBU401' to a suffix."
],
"pages_sent": 3,
"cost_usd": 0.0855,
"at": "2026-10-23T06:01:42"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/398cba210cc962eff310f7f55d8df547.pdf",
"pages": 3,
"sha256": "9d3e7e5a40e803ad",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 4,
"described": 4,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "gbu401.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
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],
"zmin_mm": -16,
"centre_offset_mm": 0.6,
"footprint_binding": "identity",
"sha256": "8031b8811f103efe801ea21c1e48def9cf6d14d909a4b82ba505562fec514beb",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
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"centre_offset_mm": 0.6,
"footprint_binding": "identity",
"sha256": "1aa2b9739bf08df3533f0fe954240944984badf93742f47178e24050197c8529",
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]
},
"metadata": {
"specs": {
"Manufacturer": "Changjing",
"Package": "GBU",
"Category": "Diodes",
"Pins": "4"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "9d3e7e5a40e803ad1b9923c2dca04f471f040bd4e8e70f0a21214d935b1ff923",
"rows": [
{
"name": "Repetitive Peak Reverse Voltage",
"symbol": "VRRM",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 100,
"conditions": "GBU401 (01) column",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum RMS Voltage",
"symbol": "VRMS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 70,
"conditions": "GBU401 (01) column",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Average Rectified Output Current, with heatsink",
"symbol": "IO",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 4,
"conditions": "60Hz sine wave, R-load, With heatsink Tc=100℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Average Rectified Output Current, without heatsink",
"symbol": "IO",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2.4,
"conditions": "60Hz sine wave, R-load, Without heatsink Ta=100℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Surge (Non-repetitive) Forward Current",
"symbol": "IFSM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 150,
"conditions": "60HZ sine wave, 1 cycle, Tj=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Current Squared Time",
"symbol": "I2t",
"kind": "absolute_maximum",
"unit": "A2S",
"min": null,
"typ": null,
"max": 93,
"conditions": "1ms≤t<8.3ms Tj=25℃, Rating of per diode",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "Tj",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Dielectric Strength",
"symbol": "Vdis",
"kind": "absolute_maximum",
"unit": "KV",
"min": null,
"typ": null,
"max": 2,
"conditions": "Terminals to case, AC 1 minute",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Mounting Torque",
"symbol": "Tor",
"kind": "absolute_maximum",
"unit": "kg·cm",
"min": null,
"typ": null,
"max": 8,
"conditions": "Recommend torque: 5kg·cm",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Peak Forward Voltage",
"symbol": "VFM",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1,
"conditions": "IFM=2A, Pulse measurement, Rating of per diode",
"source_page": 1,
"source": "datasheet"
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{
"name": "Peak Reverse Current",
"symbol": "IRRM",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VRM=VRRM, Pulse measurement, Rating of per diode",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance, junction to ambient",
"symbol": "RθJ-A",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": null,
"max": 23,
"conditions": "Between junction and ambient, Without heatsink",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance, junction to case",
"symbol": "RθJ-C",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": null,
"max": 5.5,
"conditions": "Between junction and case, With heatsink",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
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"info"
],
"discovery_triggers": [
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],
"discovery_pitch": "GBU401 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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}