CBM809JST3

{
  "slug": "cbm809jst3",
  "version": "0.1.0",
  "type": "component",
  "description": "Corebai Microelectronics Monitors & Reset Circuits, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management",
    "cbm809jst3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cbm809jst3.kicad_sym",
    "cbm809jst3.kicad_mod",
    "cbm809jst3.glb",
    "cbm809jst3.step",
    "cbm809jst3.lbr",
    "docs/hero.png",
    "docs/cbm809jst3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cbm809jst3-hero.glb",
    "cbm809jst3-hero.overlay.json"
  ],
  "component": {
    "mpn": "CBM809JST3",
    "manufacturer": "Corebai Microelectronics",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f29337f399dafbcc0b04e76aad20604d.pdf",
    "parts": {
      "symbol": "cbm809jst3.kicad_sym",
      "footprint": "cbm809jst3.kicad_mod",
      "model_3d": "cbm809jst3-hero.glb",
      "model_3d_plain": "cbm809jst3.glb",
      "model_3d_step": "cbm809jst3-etched.step",
      "model_3d_step_plain": "cbm809jst3.step",
      "lbr": "cbm809jst3.lbr"
    },
    "distributor_links": {
      "lcsc": "C22358241"
    },
    "distributor_check": {
      "checked_at": "2026-11-12T20:31:08Z",
      "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": "Ground reference pin; all signals are referenced to ground (0 V)."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "output",
        "description": "Active-low push-pull reset output for CBM809X: it is asserted while VCC is below the reset threshold and remains asserted for 240 ms (typical) after VCC rises above the threshold."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Monitored supply voltage input; the device is specified for VCC from 1.0 V to 5.5 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: CBM809JST3 is listed in the ordering table as SOT23-3 (marking 9JS), so the SOT-23-3 pinout applies.; Table 4 gives pin 2 as RESET (logic low) for CBM803X/CBM809X, with the CBM810X using pin 2 for the a; Pin 3 VCC is listed as power_in per the GND/power convention; the 1.0 V to 5.5 V range is the genera"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0023,
        "at": "2026-11-12T20:30:56"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f29337f399dafbcc0b04e76aad20604d.pdf",
        "pages": 13,
        "sha256": "78d9ec07286e0192",
        "source_tier": "lcsc"
      },
      "cad": "land: KiCad official (CC-BY-SA 4.0); 3D: generated from the datasheet",
      "model_3d_generated": {
        "generator": "factory/gen_pkg3d.py",
        "family": "SOT",
        "height_mm": 1.005,
        "height_basis": "datasheet A, midpoint of min and max",
        "standoff_mm": 0.05,
        "standoff_basis": "family nominal (no datasheet A1 read)",
        "lead_width_mm": 0.36,
        "lead_width_basis": "default: 0.6 x pad width across the lead, at most 0.45 x pitch 1.90 mm; a tab 0.9 x its width (no datasheet b read)",
        "lead_thickness_mm": 0.2,
        "lead_thickness_basis": "default for pitch 1.90 mm, height 1.005 mm (no datasheet c read)"
      },
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cbm809jst3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.97,
          2.92,
          1.005
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9ac4cce1c84f83e6cb4cb1f3b2c1fffdd8f362fbecc973175448929a1e23f3c5",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cbm809jst3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.97,
          2.92,
          1.005
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a7faa9985f7f50e1e125dec4d66c1376f4ded3fa62a814dd14655ff03742f6a7",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOT23-3",
      "source_page": 10,
      "D": {
        "nom_mm": 2.92,
        "range_mm": [
          2.8,
          3.04
        ]
      },
      "E1": {
        "nom_mm": 2.37,
        "range_mm": [
          2.1,
          2.64
        ]
      },
      "e": {
        "nom_mm": 0.96,
        "range_mm": [
          0.89,
          1.03
        ]
      },
      "A": {
        "nom_mm": 1.005,
        "range_mm": [
          0.89,
          1.12
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "cbm809jst3.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}