main
Ray Publish 0.1.0 d7d371a 16d ago
{
  "slug": "sg-8018cg-20-000000mhz-tjhsa",
  "version": "0.1.0",
  "type": "component",
  "description": "Seiko Epson Programmable Oscillators, SMD2520-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "crystals, oscillators, resonators",
    "sg-8018cg 20.000000mhz tjhsa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sg-8018cg-20-000000mhz-tjhsa.kicad_sym",
    "sg-8018cg-20-000000mhz-tjhsa.kicad_mod",
    "sg-8018cg-20-000000mhz-tjhsa.glb",
    "sg-8018cg-20-000000mhz-tjhsa.step",
    "sg-8018cg-20-000000mhz-tjhsa.lbr",
    "docs/hero.png",
    "docs/sg-8018cg-20-000000mhz-tjhsa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sg-8018cg-20-000000mhz-tjhsa-hero.glb",
    "sg-8018cg-20-000000mhz-tjhsa-hero.overlay.json",
    "sg-8018cg-20-000000mhz-tjhsa-etched.glb"
  ],
  "component": {
    "mpn": "SG-8018CG 20.000000MHz TJHSA",
    "manufacturer": "Seiko Epson",
    "package": "SMD2520-4P",
    "pin_count": 4,
    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Programmable Oscillators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588933793989844992",
    "parts": {
      "symbol": "sg-8018cg-20-000000mhz-tjhsa.kicad_sym",
      "footprint": "sg-8018cg-20-000000mhz-tjhsa.kicad_mod",
      "model_3d": "sg-8018cg-20-000000mhz-tjhsa-hero.glb",
      "model_3d_plain": "sg-8018cg-20-000000mhz-tjhsa-etched.glb",
      "model_3d_step": "sg-8018cg-20-000000mhz-tjhsa-etched.step",
      "model_3d_step_plain": "sg-8018cg-20-000000mhz-tjhsa.step",
      "lbr": "sg-8018cg-20-000000mhz-tjhsa.lbr"
    },
    "distributor_links": {
      "lcsc": "C390522",
      "digikey": "SG-8018CG20.000000MHZTJHSA-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T15:13:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "SG-8018CG20.000000MHZTJHSA-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ST",
        "type": "input",
        "description": "Active-low standby input: High gives the specified frequency output on OUT, while Low forces OUT low (weak pull-down) and puts the device into standby with supply current reduced to I_std."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the oscillator; a 0.1 µF decoupling capacitor between VCC and GND should be placed as close to the device as possible for optimum jitter."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "CMOS clock output, specified at a load of up to 15 pF (L_CMOS max) with the rise/fall time set by the ordering code."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input; the rated supply range is 1.62 V to 3.63 V."
      }
    ],
    "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 datasheet pin table lists pin 1 as either OE or ST depending on the ordering code. The MPN 'SG-8; The datasheet gives pin names and functions in a table but no pad-number drawing for the 2.5 x 2.0 m; The VCC pin is typed power_in, the KiCad class for a supply input. The datasheet only labels it 'Pow"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0435,
        "at": "2026-10-14T15:13:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588933793989844992",
        "pages": 8,
        "sha256": "ad8481ab4b53133a",
        "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": "sg-8018cg-20-000000mhz-tjhsa.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          2.0,
          0.83
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cd0c53e8a35a3cb36fc18e5248a2acf382b94b62d156b7bb9cc398eef3e21c4a",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sg-8018cg-20-000000mhz-tjhsa-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          2.0,
          0.83
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a7c23b09d0d6401a29ccb411811f010ba0ee29bd348efa57c8d24f605a0c81e0",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}