main
Ray Set visibility: public 3e9fb1d
{
  "schema_version": 1,
  "type": "component",
  "slug": "ecs-2520s33-120-fn-tr",
  "title": "ECS-2520S33-120-FN-TR",
  "brief": "ECS Pre-ordered Products, SMD2520-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SMD2520-4P",
    "pin_count": 4,
    "category": "Electronic Tools/Instruments/Consumables",
    "subcategory": "Pre-ordered Products",
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      "lbr": "ecs-2520s33-120-fn-tr.lbr"
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    "distributor_links": {
      "lcsc": "C2451289",
      "digikey": "XC2194TR-ND",
      "mouser": "520-2520S33-120-FNT"
    },
    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "XC2194TR-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "520-2520S33-120-FNT",
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        "name": "Tri-state",
        "type": "input",
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      },
      {
        "number": "2",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground connection for the oscillator."
      },
      {
        "number": "3",
        "name": "Output",
        "type": "output",
        "description": "HCMOS clock output driving 15 pF; VOL is 10% Vdd max and VOH is 90% Vdd min, with 5 ns max rise and fall time (10%-90% Vdd)."
      },
      {
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        "name": "Vdd",
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      }
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        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet's pad connection table is for the 2.5 x 2.0 mm ceramic package; it does not print the ; The datasheet gives the tri-state behaviour as a table ('High or NC Active / Low High Impedance') an; MPN ECS-2520S33-120-FN-TR decodes to 3.3 V (33), 12.000 MHz (120 per the frequency code table), ±10 "
        ],
        "pages_sent": 2,
        "cost_usd": 0.0138,
        "at": "2026-10-30T23:31:09"
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        "pages": 2,
        "sha256": "56d1dfee00e96193",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cd0c53e8a35a3cb36fc18e5248a2acf382b94b62d156b7bb9cc398eef3e21c4a",
        "checked": "2026-10-30",
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    "package_dims": {
      "package_code": "2520S",
      "source_page": 1,
      "D": {
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        "range_mm": [
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      },
      "E1": {
        "nom_mm": 2,
        "range_mm": [
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      },
      "A": {
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        "range_mm": [
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      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ecs-2520s33-120-fn-tr.step",
        "verdict": "PASS",
        "reasons": [
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        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ECS",
      "Package": "SMD2520-4P",
      "Category": "Electronic Tools/Instruments/Consumables",
      "Pins": "4"
    },
    "appearance": {
      "contacts": {
        "quote": "MSL 1, Lead Finish Au FREQUENCY MHz CODE",
        "page": 2,
        "doc": "ds.pdf",
        "plating": "gold"
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          "conditions": "10%Vdd – 90%Vdd",
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        },
        {
          "name": "Startup time",
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          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Phase noise",
          "symbol": "",
          "kind": "electrical",
          "unit": "dBc/Hz",
          "min": null,
          "typ": -145,
          "max": null,
          "conditions": "@ 10 KHz offset",
          "source_page": 1,
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        },
        {
          "name": "Operating temperature",
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        {
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          "unit": "pF",
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          "typ": 15,
          "max": null,
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        },
        {
          "name": "Nominal frequency (code 120)",
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          "unit": "MHz",
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          "typ": 12,
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      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "ECS-2520S33-120-FN-TR (ECS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
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