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Ray Set visibility: public 6507b49 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bal74",
  "title": "BAL74",
  "brief": "Nexperia Diodes - General Purpose, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "category": "Diodes",
    "subcategory": "Diodes - General Purpose",
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      "lbr": "bal74.lbr"
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    "distributor_links": {
      "lcsc": "C461224"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:52:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
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        "name": "n.c.",
        "type": "unconnected",
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      },
      {
        "number": "2",
        "name": "anode",
        "type": "passive",
        "description": "Anode of the high-speed diode; device limits include continuous reverse voltage max. 50 V and continuous forward current max. 215 mA."
      },
      {
        "number": "3",
        "name": "cathode",
        "type": "passive",
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      }
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    "provenance": {
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not state KiCad electrical classes for the anode and cathode. They are typed as p; The datasheet's pin 1 is labeled 'not connected' in the pinning table and symbol figure. It is inclu"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0347,
        "at": "2026-10-17T23:50:51"
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        "pages": 10,
        "sha256": "497ff874936a64bd",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
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        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bal74-etched.step",
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  },
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    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "SOT-23",
      "Category": "Diodes",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
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          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous reverse voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
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          "source": "datasheet"
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          "symbol": "IF",
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          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 215,
          "conditions": "see Fig.2; note 1",
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          "source": "datasheet"
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        {
          "name": "Repetitive peak forward current",
          "symbol": "IFRM",
          "kind": "absolute_maximum",
          "unit": "mA",
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          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Non-repetitive peak forward current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "square wave; Tj = 25 °C prior to surge; tp = 1 µs; see Fig.4",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Non-repetitive peak forward current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "square wave; Tj = 25 °C prior to surge; tp = 1 ms; see Fig.4",
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          "source": "datasheet"
        },
        {
          "name": "Non-repetitive peak forward current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "square wave; Tj = 25 °C prior to surge; tp = 1 s; see Fig.4",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "Tamb = 25 °C; note 1",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Junction temperature",
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          "unit": "°C",
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        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 715,
          "conditions": "see Fig.3; IF = 1 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 855,
          "conditions": "see Fig.3; IF = 10 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "see Fig.3; IF = 50 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "see Fig.3; IF = 150 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "see Fig.5; VR = 50 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "see Fig.5; VR = 50 V; Tj = 150 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Diode capacitance",
          "symbol": "Cd",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "f = 1 MHz; VR = 0; see Fig.6",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reverse recovery time",
          "symbol": "trr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "when switched from IF = 10 mA to IR = 10 mA; RL = 100 Ω; measured at IR = 1 mA; see Fig.7",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Forward recovery voltage",
          "symbol": "Vfr",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.75,
          "conditions": "when switched from IF = 10 mA; tr = 20 ns; see Fig.8",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance from junction to tie-point",
          "symbol": "Rth(j-tp)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": 330,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance from junction to ambient",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "note 1 (device mounted on an FR4 printed-circuit board)",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bal74"
  ],
  "discovery_pitch": "BAL74 (Nexperia) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "bal74-hero.overlay.json",
    "bal74-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}