main
Ray brief: polarity sentence corrected 66cb8ca
{
  "schema_version": 1,
  "type": "component",
  "slug": "cs1e221m-cre77",
  "title": "CS1E221M-CRE77",
  "brief": "ST Semtech Aluminum Electrolytic Capacitors - SMD, SMD,D6.3xL7.7mm. Polarised capacitor: pin 1 is + by the KiCad polarised-footprint convention, KiCad symbol/footprint/3D.",
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    "subcategory": "Aluminum Electrolytic Capacitors - SMD",
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    "distributor_check": {
      "checked_at": "2026-11-06T22:46:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 344 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
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      },
      {
        "number": "2",
        "name": "-",
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      }
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    "provenance": {
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      "factory_chain": {
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        "extractor": "extract_pins",
        "primary_model": "two-terminal convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "at": "2026-11-06T22:45:59"
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        "cites_pages": true,
        "refuses_to_fabricate": true
      },
      "correction": {
        "at": "2026-11-09T22:02:56Z",
        "what": "pins 1/2 \"unpolarised, either orientation\" -> 1 = +, 2 = -",
        "how": "fix_polarity.py: symbol +, footprint polarity mark and 3D marked end all at pin 1"
      }
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        "centre_offset_mm": 0,
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      "A": {
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      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
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        "verdict": "PASS",
        "reasons": [
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        ],
        "by": "factory/package_fit.py"
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    },
    "polarized": true,
    "polarity": {
      "positive_pin": "1",
      "basis": "KiCad CP_ footprint convention; symbol, footprint and 3D mark checked"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ST Semtech",
      "Package": "CP_Elec_6.3x7.7",
      "Category": "Capacitors",
      "Pins": "2"
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          "conditions": "Rated Voltage 25V, code 1E",
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        {
          "name": "Operation temperature range",
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  "discovery_triggers": [
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  "discovery_pitch": "CS1E221M-CRE77 (ST Semtech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
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  "updated_at": "2026-11-09T22:03:01.492Z"
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