component
KBU806
Public Made by Adomby adom
MDD Microdiode Semiconductor Bridge Rectifiers, KBU. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
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"type": "component",
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"title": "KBU806",
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"version": "0.1.0",
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"distributor_links": {
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"distributor_check": {
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"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "+",
"type": "power_out",
"description": "Positive DC output of the bridge rectifier (pin 1, marked + on the package drawing)."
},
{
"number": "2",
"name": "AC1",
"type": "passive",
"description": "AC input terminal (marked ~ on the drawing); the bridge is rated for 600 V repetitive peak reverse voltage (VRRM) on the KBU806."
},
{
"number": "3",
"name": "AC2",
"type": "passive",
"description": "AC input terminal (marked ~ on the drawing); the bridge is rated for 420 V RMS (VRMS) on the KBU806."
},
{
"number": "4",
"name": "-",
"type": "power_in",
"description": "Negative DC output of the bridge rectifier (pin 4, marked − on the package drawing), the DC return."
}
],
"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": [
"extractor flagged: The drawing labels the pins 1 = +, 2 and 3 = ~ (AC), 4 = −. The AC1/AC2 names are my own, and the da; The drawing is small, so the pin markings are hard to read. I read them from the circuit symbol unde",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 2,
"cost_usd": 0.1393,
"at": "2026-10-15T11:01:39"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588889664882794496",
"pages": 2,
"sha256": "71c9e8b3a1c01d94",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 4,
"described": 4,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"footprint": "viewers/footprint.html"
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"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": "2026-10-15",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "kbu806-etched.step",
"role": "eda",
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"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
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"sha256": "b750f429f54cf05fbd7573bfd60d21216bea654642e95706e99a4be86c66ed6e",
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "MDD Microdiode Semiconductor",
"Package": "KBU",
"Category": "Diodes",
"Pins": "4"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "71c9e8b3a1c01d94819527fcd24b98d44369d0b5e3972f2432a2434d1e41dc8b",
"rows": [
{
"name": "Maximum repetitive peak reverse voltage",
"symbol": "VRRM",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 600,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum RMS voltage",
"symbol": "VRMS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 420,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum DC blocking voltage",
"symbol": "VDC",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 600,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum average forward output rectified current",
"symbol": "I(AV)",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 8,
"conditions": "at TA=50 ℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Peak forward surge current",
"symbol": "IFSM",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 300,
"conditions": "8.3ms single half sine-wave superimposed on rated load (JEDEC Method)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum instantaneous forward voltage drop per bridge element",
"symbol": "VF",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1.1,
"conditions": "per bridge element at 8.0A",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum DC reverse current",
"symbol": "IR",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 10,
"conditions": "TA=25°C at rated DC blocking voltage",
"source_page": 1,
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},
{
"name": "Maximum DC reverse current",
"symbol": "IR",
"kind": "electrical",
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"min": null,
"typ": null,
"max": 0.5,
"conditions": "TA=125°C at rated DC blocking voltage",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating junction temperature range",
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"kind": "recommended_operating",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage temperature range",
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"typ": null,
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"conditions": "",
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},
{
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"min": null,
"typ": 200,
"max": null,
"conditions": "Note 1",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Typical Thermal Resistance",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 2.7,
"max": null,
"conditions": "Note 2",
"source_page": 1,
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}
]
}
},
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"discovery_triggers": [
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],
"discovery_pitch": "KBU806 (MDD Microdiode Semiconductor) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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}
}