TC15VTB

{
  "schema_version": 1,
  "type": "component",
  "slug": "tc15vtb",
  "title": "TC15VTB",
  "brief": "Tak Cheong Zener Diodes, DO-35. 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",
    "diodes",
    "tc15vtb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TC15VTB",
    "manufacturer": "Tak Cheong",
    "package": "DO-35",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d434106c00d7226fe4c11bd6d56ff4ff.pdf",
    "parts": {
      "symbol": "tc15vtb.kicad_sym",
      "footprint": "tc15vtb.kicad_mod",
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      "model_3d_step": "tc15vtb.step",
      "lbr": "tc15vtb.lbr",
      "model_3d_plain": "tc15vtb.glb"
    },
    "distributor_links": {
      "lcsc": "C261227",
      "digikey": "6709-TC15VTBTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:47:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "6709-TC15VTBTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode, the lead marked by the polarity band on the DO-35 axial glass body; it goes positive relative to the anode in zener (reverse) operation (TC15V: VZ 15 V nominal at IZT = 5 mA)."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode, the lead opposite the polarity band on the DO-35 axial package; forward voltage is 1.2 V max at IF = 200 mA."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not print pin numbers for the axial DO-35 package. It only labels Cathode (polari; The datasheet does not explain the suffix 'TB' in TC15VTB. It is presumably a tape/box packaging cod"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0439,
        "at": "2026-10-27T00:47:04"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d434106c00d7226fe4c11bd6d56ff4ff.pdf",
        "pages": 4,
        "sha256": "9e1694d55189e63a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tc15vtb.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          8.12,
          2.02,
          5.01
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9704292191fcb13b3dfc88c1e572df18313ac20023bb230486c878d8dddfdb54",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Tak Cheong",
      "Package": "DO-35",
      "Category": "Diodes",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "§ Solder Hot Dip Tin (Sn) Terminal Finish § Cathode Indicated By Polarity Band",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "9e1694d55189e63a7bff74c9d85e8dc66bb8fc4f93bf0fd5bad487cbf74283e9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9e1694d55189e63a7bff74c9d85e8dc66bb8fc4f93bf0fd5bad487cbf74283e9",
      "rows": [
        {
          "name": "Zener voltage tolerance",
          "symbol": "VZ",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "standard tolerance on nominal zener voltage",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zener impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "@ IZT = 5 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "@ VR = 11 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "IF = 200 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Nominal zener voltage",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "@ IZT = 5 mA, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zener test current",
          "symbol": "IZT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse voltage for IR",
          "symbol": "VR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 11,
          "max": null,
          "conditions": "test condition for IR",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
    "tc15vtb"
  ],
  "discovery_pitch": "TC15VTB (Tak Cheong) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "type": "image",
    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}