component
U1AQ
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech Fast Recovery / High Efficiency Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "u1aq",
"title": "U1AQ",
"brief": "Yangzhou Yangjie Elec Tech Fast Recovery / High Efficiency Diodes, SOD-123. 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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],
"component": {
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"manufacturer": "Yangzhou Yangjie Elec Tech",
"package": "SOD-123",
"pin_count": 2,
"category": "Diodes",
"subcategory": "Fast Recovery / High Efficiency Diodes",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603384026535649280",
"parts": {
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"footprint": "u1aq.kicad_mod",
"model_3d": "u1aq-hero.glb",
"model_3d_plain": "u1aq-etched.glb",
"model_3d_step": "u1aq-etched.step",
"model_3d_step_plain": "u1aq.step",
"lbr": "u1aq.lbr"
},
"distributor_links": {
"lcsc": "C20605386"
},
"distributor_check": {
"checked_at": "2026-10-19T04:17:56Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "K",
"type": "passive",
"description": "Cathode, the end marked by the cathode line on the package body; rated for VRRM of 50 V (U1AQ), with 1.0 A average rectified output current."
},
{
"number": "2",
"name": "A",
"type": "passive",
"description": "Anode, the end opposite the cathode line; forward voltage 0.92 V max at IF=1.0A, reverse recovery time 25 ns max."
}
],
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"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 datasheet does not print pin numbers 1 and 2. Pin numbers are assigned by the usual diode conven; The package hint was SOD-123, but the datasheet names the package SOD-123FL (page 1 and page 5 outli; The U1AQ pin descriptions quote the VRRM of 50 V for U1AQ only. The other variants (U1BQ, U1CQ, U1DQ",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 6,
"cost_usd": 0.1272,
"at": "2026-10-19T04:15:51"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603384026535649280",
"pages": 6,
"sha256": "2415548ac87b5ed4",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 2,
"described": 2,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
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"file": "u1aq.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.5,
1.6,
1.1
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "u1aq-etched.step",
"role": "eda",
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"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9f1d2de3e779c82c4487bdcdc6c9246c8357ceb88d874a489016076bcd2bffae",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Yangzhou Yangjie Elec Tech",
"Package": "SOD-123",
"Category": "Diodes",
"Pins": "2"
},
"appearance": {
"contacts": {
"quote": "● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102",
"page": 1,
"doc": "ds.pdf",
"plating": "tin"
},
"housing": {
"quote": "4. Body color: Black",
"page": 4,
"doc": "ds.pdf",
"colour": "black"
},
"version": 1,
"datasheet_sha256": "2415548ac87b5ed48a761c304c12f4364b73138057ac0ad6b45a330e1603e964"
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"characteristics": {
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"rows": [
{
"name": "Maximum Repetitive Peak Reverse Voltage",
"symbol": "VRRM",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum DC blocking Voltage",
"symbol": "VDC",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum RMS Voltage",
"symbol": "VRMS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 35,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Average rectified output current",
"symbol": "IO",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 1,
"conditions": "@60Hz sine wave, Resistance load, TL (Fig.1)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Forward Surge Current (Non-repetitive)",
"symbol": "IFSM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 30,
"conditions": "@60Hz Half-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": 3.735,
"conditions": "@1ms≤t≤8.3ms TJ=25℃",
"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": "Maximum instantaneous forward voltage",
"symbol": "VF",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.92,
"conditions": "IF=1.0A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum reverse recovery time",
"symbol": "TRR",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": null,
"max": 25,
"conditions": "IF=0.5A,IR=1.0A,Irr=0.25A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum DC reverse current at rated DC blocking voltage per diode, TJ=25℃",
"symbol": "IR",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 2,
"conditions": "VRM=VRRM; TJ=25℃",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum DC reverse current at rated DC blocking voltage per diode, TJ=125℃",
"symbol": "IR",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 20,
"conditions": "VRM=VRRM; TJ=125℃",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Typical thermal resistance, junction to ambient",
"symbol": "RθJ-A",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 65,
"max": null,
"conditions": "Junction to ambient, PCB with 3mm*3mm copper pad areas",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Typical thermal resistance, junction to lead",
"symbol": "RθJ-L",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 25,
"max": null,
"conditions": "Junction to lead, PCB with 3mm*3mm copper pad areas",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Typical thermal resistance, junction to case",
"symbol": "RθJ-C",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 20,
"max": null,
"conditions": "Junction to case, PCB with 3mm*3mm copper pad areas",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
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"discovery_triggers": [
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],
"discovery_pitch": "U1AQ (Yangzhou Yangjie Elec Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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"visibility": {
"public": true
}
}