main
Ray Set visibility: public 8f98ec1 10d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "pmeg040v050epe-qz",
  "title": "PMEG040V050EPE-QZ",
  "brief": "Nexperia Schottky Diodes, TO-277. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "diodes",
    "pmeg040v050epe-qz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PMEG040V050EPE-QZ",
    "manufacturer": "Nexperia",
    "package": "TO-277",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Schottky Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602658444147109888",
    "parts": {
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      "footprint": "pmeg040v050epe-qz.kicad_mod",
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      "model_3d_step_plain": "pmeg040v050epe-qz.step",
      "lbr": "pmeg040v050epe-qz.lbr"
    },
    "distributor_links": {
      "lcsc": "C5829090",
      "digikey": "1727-PMEG040V050EPE-QZTR-ND",
      "mouser": "771-PMEG040V050EPEQZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T22:23:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1727-PMEG040V050EPE-QZTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "771-PMEG040V050EPEQZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode of the Schottky diode; pins 1 and 2 are both anodes and should be tied together as printed in Table 2."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode of the Schottky diode; pin 2 is one of the two anode pins listed in Table 2 alongside pin 1."
      },
      {
        "number": "3",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the Schottky diode; the datasheet's thermal data refers to the soldering point of this cathode tab, and the cathode mounting pad is specified at 1 cm² for the 2nd thermal case."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN given is PMEG040V050EPE-QZ, but the datasheet covers PMEG040V050EPE-Q only. The -QZ suffix i; The package hint 'TO-277' does not appear anywhere in the datasheet. The only package given is CFP15; Pin types are mapped to KiCad 'passive' for both anode and cathode, since the datasheet does not cla"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0471,
        "at": "2026-10-16T22:21:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602658444147109888",
        "pages": 12,
        "sha256": "9fb63fb3e0bea582",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.22
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "69a9aa5a47db4a2792452bac34f2cad6cb0c5d3a4713f4b3c03b779f23d194ed",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pmeg040v050epe-qz-etched.step",
        "role": "eda",
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        "units": "mm",
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        "seat": "z = 0",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6e0a34fb277a5688c7de245e3d459fc317c8cda0ff03524f8953f44d9bd96b1b",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "TO-277",
      "Category": "Diodes",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9fb63fb3e0bea582e2de9e2ce09294c3cc2135249c38177cb6589b6c4f196154",
      "rows": [
        {
          "name": "Reverse voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "Tj = 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "δ = 1; Tsp ≤ 171 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Average forward current",
          "symbol": "IF(AV)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "δ = 0.5; f = 20 kHz; square wave; Tsp ≤ 172 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Non-repetitive peak forward current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "half sine-wave pulse; tp = 8.3 ms; Tj(init) = 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.66,
          "conditions": "Tamb ≤ 25 °C; [1] FR4 PCB, single-sided copper, tin-plated, standard footprint",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2.15,
          "conditions": "[2] FR4 PCB, single-sided copper, tin-plated, mounting pad for cathode 1 cm2",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 175,
          "conditions": "",
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        },
        {
          "name": "Ambient temperature",
          "symbol": "Tamb",
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          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 175,
          "conditions": "",
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        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance from junction to ambient in free air",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 90,
          "conditions": "in free air; [1][2] FR4 PCB, single-sided copper, tin-plated, standard footprint",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance from junction to ambient in free air",
          "symbol": "Rth(j-a)",
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          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "in free air; [1][3] FR4 PCB, single-sided copper, tin-plated, mounting pad for cathode 1 cm2",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance from junction to solder point",
          "symbol": "Rth(j-sp)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "[4] soldering point of cathode tab",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse breakdown voltage",
          "symbol": "V(BR)R",
          "kind": "electrical",
          "unit": "V",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "IR = 3 mA; pulsed; Tj = 25 °C [1]",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Forward voltage",
          "symbol": "VF",
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          "max": 420,
          "conditions": "IF = 1 A; pulsed; Tj = 25 °C [1]",
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        {
          "name": "Forward voltage",
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          "min": null,
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          "max": 490,
          "conditions": "IF = 3 A; pulsed; Tj = 25 °C [1]",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Forward voltage",
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          "min": null,
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          "conditions": "IF = 5 A; pulsed; Tj = 25 °C [1]",
          "source_page": 4,
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          "name": "Forward voltage",
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          "min": null,
          "typ": 515,
          "max": 590,
          "conditions": "IF = 5 A; pulsed; Tj = -40 °C [1]",
          "source_page": 4,
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        {
          "name": "Forward voltage",
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          "conditions": "IF = 5 A; pulsed; Tj = 125 °C [1]",
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        {
          "name": "Reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 30,
          "max": 120,
          "conditions": "VR = 40 V; pulsed; Tj = 25 °C [1]",
          "source_page": 4,
          "source": "datasheet"
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      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "PMEG040V050EPE-QZ (Nexperia) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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