DSB221SDN 38.400MHZ 3.3V 0.5PPM

{
  "slug": "dsb221sdn-38-400mhz-3-3v-0-5ppm",
  "version": "0.1.0",
  "type": "component",
  "description": "KDS Daishinku Temperature Compensated Crystal Oscillators (TCXO), SMD2520-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "crystals, oscillators, resonators",
    "dsb221sdn 38.400mhz 3.3v 0.5ppm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "files": [
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    "README.md",
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    "dsb221sdn-38-400mhz-3-3v-0-5ppm.kicad_mod",
    "dsb221sdn-38-400mhz-3-3v-0-5ppm.glb",
    "dsb221sdn-38-400mhz-3-3v-0-5ppm.step",
    "dsb221sdn-38-400mhz-3-3v-0-5ppm.lbr",
    "docs/hero.png",
    "docs/dsb221sdn-38-400mhz-3-3v-0-5ppm-datasheet.pdf",
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  "component": {
    "mpn": "DSB221SDN 38.400MHZ 3.3V 0.5PPM",
    "manufacturer": "KDS Daishinku",
    "package": "SMD2520-4P",
    "pin_count": 4,
    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Temperature Compensated Crystal Oscillators (TCXO)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884592513699840",
    "parts": {
      "symbol": "dsb221sdn-38-400mhz-3-3v-0-5ppm.kicad_sym",
      "footprint": "dsb221sdn-38-400mhz-3-3v-0-5ppm.kicad_mod",
      "model_3d": "dsb221sdn-38-400mhz-3-3v-0-5ppm-hero.glb",
      "model_3d_plain": "dsb221sdn-38-400mhz-3-3v-0-5ppm-etched.glb",
      "model_3d_step": "dsb221sdn-38-400mhz-3-3v-0-5ppm-etched.step",
      "model_3d_step_plain": "dsb221sdn-38-400mhz-3-3v-0-5ppm.step",
      "lbr": "dsb221sdn-38-400mhz-3-3v-0-5ppm.lbr"
    },
    "distributor_links": {
      "lcsc": "C190737"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T03:50:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "On the TCXO DSB221SDN without stand-by this pin is connected to GND; on the VC-TCXO it is Vcont and on the DSB221SDNB it is ENABLE/DISABLE."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection of the oscillator."
      },
      {
        "number": "3",
        "name": "Output",
        "type": "output",
        "description": "Clipped sine, DC-coupled frequency output of 0.8Vp-p min. (f≦52MHz) into a 10kΩ//10pF load."
      },
      {
        "number": "4",
        "name": "Vcc",
        "type": "power_in",
        "description": "Supply voltage pin for a range of +1.68 to +3.5V (3.3V nominal for this MPN), with max. 2.0mA consumption for 26MHz<f≦52MHz."
      }
    ],
    "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: Pin 1 is printed as a combined entry 'Vcont(VC-TCXO)/GND(TCXO)/ENABLE/DISABLE (Stand-by Function)' s",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "pages_sent": 2,
        "cost_usd": 0.0213,
        "at": "2026-10-26T03:49:56"
      },
      "datasheet": {
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        "pages": 2,
        "sha256": "f7af7fc17899ef3d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cd0c53e8a35a3cb36fc18e5248a2acf382b94b62d156b7bb9cc398eef3e21c4a",
        "checked": "2026-10-26",
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        "footprint_binding": "identity",
        "sha256": "b17474098b18133fcd76d5d73226c080692ae926dd9737cb89141704df663d69",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}