main
Ray Set visibility: public 9671ab7 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "8121h-50-000nk33drl",
  "title": "8121H-50.000NK33DRL",
  "brief": "HCI Temperature Compensated Crystal Oscillators (TCXO), SMD2016-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "crystals, oscillators, resonators",
    "8121h-50.000nk33drl",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "8121H-50.000NK33DRL",
    "manufacturer": "HCI",
    "package": "SMD2016-4P",
    "pin_count": 4,
    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Temperature Compensated Crystal Oscillators (TCXO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0110390055511b1d3303c003212548c4.pdf",
    "parts": {
      "symbol": "8121h-50-000nk33drl.kicad_sym",
      "footprint": "8121h-50-000nk33drl.kicad_mod",
      "model_3d": "8121h-50-000nk33drl-hero.glb",
      "model_3d_plain": "8121h-50-000nk33drl-etched.glb",
      "model_3d_step": "8121h-50-000nk33drl-etched.step",
      "model_3d_step_plain": "8121h-50-000nk33drl.step",
      "lbr": "8121h-50-000nk33drl.lbr"
    },
    "distributor_links": {
      "lcsc": "C46598423"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T23:18:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E/D or N.C.",
        "type": "input",
        "description": "Enable/disable input or no connection, as given in the pad function table."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the metal lid is connected to this pin."
      },
      {
        "number": "3",
        "name": "RF Output",
        "type": "output",
        "description": "LVCMOS output driving a 15pF load, with 45~55% symmetry and 8ns maximum rise and fall time."
      },
      {
        "number": "4",
        "name": "Vcc",
        "type": "power_in",
        "description": "Supply voltage pin for 1.8V, 2.5V or 3.3V versions, drawing 5mA, 7mA or 10mA respectively at 15pF load."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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: Pad 1 function is printed as 'E/D or N.C.', so it is either enable/disable or not connected dependin",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 1,
        "cost_usd": 0.116,
        "at": "2026-10-16T23:15:41"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0110390055511b1d3303c003212548c4.pdf",
        "pages": 1,
        "sha256": "321e631900b87064",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "8121h-50-000nk33drl.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2,
          1.6,
          0.93
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "eea7262e5781943394ac3ed4f9d076ea60a9856fdf5911f6ab502d1fcc1b0836",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "8121h-50-000nk33drl-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          0.93
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ff590248acea58f89eb0ac6da4fe7bbbfcdce4c27180c1f0998d3edb14ba6ceb",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HCI",
      "Package": "SMD2016-4P",
      "Category": "Crystals, Oscillators, Resonators",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "321e631900b870644e58b4c42132ad7d6d62f71054de349e33f25820851dfb93",
      "rows": [
        {
          "name": "Frequency range",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": 10,
          "typ": null,
          "max": 52,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency tolerance (initial)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Initial tol. @+25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Aging per year",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "@+25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency stability option ±2.0ppm",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "Paired with operating temperature range –30 to +85°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency stability option ±2.5ppm",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "Paired with operating temperature range –40 to +85°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency stability option ±5.0ppm",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Paired with operating temperature range –40 to +105°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range option –30 to +85°C",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -30,
          "typ": null,
          "max": 85,
          "conditions": "In combination with ±2.0ppm stability",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range option –40 to +85°C",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "In combination with ±2.5ppm stability",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range option –40 to +105°C",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "In combination with ±5.0ppm stability",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output voltage level HIGH",
          "symbol": "",
          "kind": "electrical",
          "unit": "%Vcc",
          "min": 90,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output voltage level LOW",
          "symbol": "",
          "kind": "electrical",
          "unit": "%Vcc",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Symmetry (duty cycle)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 45,
          "typ": null,
          "max": 55,
          "conditions": "@ 50%VCC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Phase jitter RMS",
          "symbol": "",
          "kind": "timing",
          "unit": "ps",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "12kHz≤Fj≤20MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Nominal frequency (from part number)",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "8121h-50.000nk33drl"
  ],
  "discovery_pitch": "8121H-50.000NK33DRL (HCI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "8121h-50-000nk33drl.lbr",
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    "viewers/footprint.html",
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    "8121h-50-000nk33drl-hero.overlay.json",
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  "visibility": {
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}