component
KBU1004
Public Made by Adomby adom
Changjing Bridge Rectifiers, KBU. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "kbu1004",
"title": "KBU1004",
"brief": "Changjing Bridge Rectifiers, KBU. 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": "KBU",
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"category": "Diodes",
"subcategory": "Bridge Rectifiers",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7dc5f361b0e067fbdb6c7fa862f3306d.pdf",
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"lbr": "kbu1004.lbr"
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"distributor_links": {
"lcsc": "C5292691",
"digikey": "1913-KBU1004-ND",
"mouser": "905-KBU1004"
},
"distributor_check": {
"checked_at": "2026-10-23T03:07:42Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "1913-KBU1004-ND",
"status": "found",
"lifecycle": "Obsolete"
},
"mouser": {
"pn": "905-KBU1004",
"status": "found",
"lifecycle": "Obsolete"
}
},
"pins": [
{
"number": "1",
"name": "+",
"type": "passive",
"description": "Positive DC output of the bridge; the schematic shows it as the leftmost terminal, and the part is rated for 10A average rectified output (IO, Tc=100℃)."
},
{
"number": "2",
"name": "2",
"type": "passive",
"description": "AC input terminal of the bridge; VRRM for the KBU10 series is 50V to 1000V, and 1000V is the highest rating."
},
{
"number": "3",
"name": "3",
"type": "passive",
"description": "Second AC input terminal of the bridge; the surge forward current limit is 240A (IFSM, 60Hz sine, 1 cycle, Tj=25℃)."
},
{
"number": "4",
"name": "-",
"type": "passive",
"description": "Negative DC output of the bridge; it is the rightmost terminal in the schematic."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"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": [
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"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 3,
"cost_usd": 0.2047,
"at": "2026-10-23T03:07:24"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/7dc5f361b0e067fbdb6c7fa862f3306d.pdf",
"pages": 3,
"sha256": "4eea23a75747292a",
"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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"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": -14,
"centre_offset_mm": 1.65,
"footprint_binding": "identity",
"sha256": "fa15a7b4dea57c6438700128584b6c301e81f51249ab4da2276368695aeb3c9c",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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"units": "mm",
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"seat": "body on z = 0, through-hole leads below",
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"sha256": "3daf9f22831f7ebb98e8395b04813743903e9a45858c2bf4592bee33e24fd431",
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},
"metadata": {
"specs": {
"Manufacturer": "Changjing",
"Package": "KBU",
"Category": "Diodes",
"Pins": "4"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "4eea23a75747292a772dc9616201911c8f884308f2ad7e584e9f6c84ebf819e9",
"rows": [
{
"name": "Repetitive Peak Reverse Voltage",
"symbol": "VRRM",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 400,
"conditions": "KBU1004 column (04)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Average Rectified Output Current",
"symbol": "IO",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 10,
"conditions": "60Hz sine wave, R-load, Tc=100℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Surge (Non-repetitive) Forward Current",
"symbol": "IFSM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 240,
"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": 166,
"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,
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"conditions": "",
"source_page": 1,
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{
"name": "Peak Forward Voltage",
"symbol": "VFM",
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"max": 1,
"conditions": "IFM=5.0A, 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"
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},
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"discovery_pitch": "KBU1004 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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