component
GBU2504
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": "gbu2504",
"title": "GBU2504",
"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",
"tags": [
"component",
"diodes",
"gbu2504",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "GBU2504",
"manufacturer": "Changjing",
"package": "GBU",
"pin_count": 4,
"category": "Diodes",
"subcategory": "Bridge Rectifiers",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/17618ddcba9afd240dd21d6d6a349096.pdf",
"parts": {
"symbol": "gbu2504.kicad_sym",
"footprint": "gbu2504.kicad_mod",
"model_3d": "gbu2504-hero.glb",
"model_3d_plain": "gbu2504-etched.glb",
"model_3d_step": "gbu2504-etched.step",
"model_3d_step_plain": "gbu2504.step",
"lbr": "gbu2504.lbr"
},
"distributor_links": {
"lcsc": "C5292628"
},
"distributor_check": {
"checked_at": "2026-10-23T18:26:44Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "deferred",
"error": "shared DigiKey quota guard: 884 calls left today"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "+",
"type": "passive",
"description": "Positive DC output terminal, marked + on the package outline, with a rated average rectified output of 25A (with heatsink, Tc=98°C)."
},
{
"number": "2",
"name": "AC1",
"type": "passive",
"description": "AC input terminal (inner lead); for GBU2504 VRRM is 400V and maximum RMS voltage is 280V."
},
{
"number": "3",
"name": "AC2",
"type": "passive",
"description": "AC input terminal (inner lead); for GBU2504 VRRM is 400V and maximum RMS voltage is 280V."
},
{
"number": "4",
"name": "-",
"type": "passive",
"description": "Negative DC output terminal, marked − on the package outline, with a surge forward current (IFSM) rating of 350A (60Hz sine, 1 cycle)."
}
],
"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 package drawing prints no pin numbers. Numbers 1-4 are assigned left to right from the front vie; The drawing labels only + and −. The two middle leads are not labelled AC. That function is inferred; The datasheet covers the whole GBU25005 to GBU2510 series. The GBU2504 values (VRRM 400V, VRMS 280V)",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 3,
"cost_usd": 0.0976,
"at": "2026-10-23T18:26:30"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/17618ddcba9afd240dd21d6d6a349096.pdf",
"pages": 3,
"sha256": "2c919bbffb954ce1",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 4,
"described": 4,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "gbu2504.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
22.1,
3.4,
36.4
],
"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)"
},
{
"file": "gbu2504-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
22.1,
3.4,
36.4
],
"zmin_mm": -16,
"centre_offset_mm": 0.6,
"footprint_binding": "identity",
"sha256": "ce3b6cda291c82b116679ca1aa79b52836932d5cd9f60e9b2404394ad0ff9f13",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Changjing",
"Package": "GBU",
"Category": "Diodes",
"Pins": "4"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "2c919bbffb954ce17879a35b7c4aa65bf41c149316bd7589b9b88c47e1d860bb",
"rows": [
{
"name": "Peak Forward Voltage",
"symbol": "VFM",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1,
"conditions": "IFM=12.5A, Pulse measurement, Rating of per diode",
"source_page": 1,
"source": "datasheet"
},
{
"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": 22,
"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": 1,
"conditions": "Between junction and case, With heatsink",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Repetitive Peak Reverse Voltage",
"symbol": "VRRM",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 400,
"conditions": "GBU2504",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum RMS Voltage",
"symbol": "VRMS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 280,
"conditions": "GBU2504",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Average Rectified Output Current (with heatsink)",
"symbol": "IO",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 25,
"conditions": "60Hz sine wave, R-load, With heatsink Tc=98℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Average Rectified Output Current (without heatsink)",
"symbol": "IO",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 4.2,
"conditions": "60Hz sine wave, R-load, Without heatsink Ta=25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Surge (Non-repetitive) Forward Current",
"symbol": "IFSM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 350,
"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": 508,
"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": 2.5,
"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"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"gbu2504"
],
"discovery_pitch": "GBU2504 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"README.md",
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"gbu2504.kicad_mod",
"gbu2504.glb",
"gbu2504.step",
"gbu2504.lbr",
"docs/hero.png",
"docs/gbu2504-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"gbu2504-hero.glb",
"gbu2504-hero.overlay.json",
"gbu2504-etched.glb"
],
"visibility": {
"public": true
}
}