main
Ray Set visibility: public 93ee9a1 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mmbd4148ca-rfg",
  "title": "MMBD4148CA RFG",
  "brief": "Taiwan Semiconductor Switching Diodes, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "diodes",
    "mmbd4148ca rfg",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "MMBD4148CA RFG",
    "manufacturer": "Taiwan Semiconductor",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Switching Diodes",
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      "footprint": "mmbd4148ca-rfg.kicad_mod",
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      "model_3d_plain": "mmbd4148ca-rfg-etched.glb",
      "model_3d_step": "mmbd4148ca-rfg-etched.step",
      "model_3d_step_plain": "mmbd4148ca-rfg.step",
      "lbr": "mmbd4148ca-rfg.lbr"
    },
    "distributor_links": {
      "lcsc": "C2977535",
      "mouser": "821-MMBD4148CARFG"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T07:01:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "821-MMBD4148CARFG",
        "status": "found"
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    },
    "pins": [
      {
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        "name": "K1",
        "type": "passive",
        "description": "Cathode of diode 1 in the MMBD4148CA common-anode dual (100V VRRM, 200mA IF per the datasheet)."
      },
      {
        "number": "2",
        "name": "K2",
        "type": "passive",
        "description": "Cathode of diode 2 in the MMBD4148CA common-anode dual (100V VRRM, 200mA IF per the datasheet)."
      },
      {
        "number": "3",
        "name": "A",
        "type": "passive",
        "description": "Common anode of both diodes in the MMBD4148CA (common-anode configuration per the pin configuration drawing)."
      }
    ],
    "provenance": {
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      "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: The CA variant is shown in the pin configuration drawing with pin 3 as the common node and the diode",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "pages_sent": 5,
        "cost_usd": 0.2181,
        "at": "2026-10-18T07:00:03"
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      "datasheet": {
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        "pages": 5,
        "sha256": "eddc7cdbd09d3cd6",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "extents_mm": [
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Taiwan Semiconductor",
      "Package": "SOT-23",
      "Category": "Diodes",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "● Terminal: Matte tin plated leads, solderable per J-STD-002 ● Meet JESD 201 class 1A whisker test",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "eddc7cdbd09d3cd6f9c86c629fcbab9b270886a02c48e6c0487cfade49a88951"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "eddc7cdbd09d3cd6f9c86c629fcbab9b270886a02c48e6c0487cfade49a88951",
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          "conditions": "IF = 10mA, TJ = 25°C",
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        {
          "name": "Reverse current per diode",
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          "unit": "nA",
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          "max": 25,
          "conditions": "VR = 20V, TJ = 25°C",
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        {
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          "symbol": "IR",
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          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VR = 75V, TJ = 25°C",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Reverse current per diode",
          "symbol": "IR",
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          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VR = 20V, TA = 150°C",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Reverse breakdown voltage per diode",
          "symbol": "VBR",
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        {
          "name": "Reverse breakdown voltage per diode",
          "symbol": "VBR",
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          "conditions": "IR = 100μA, TJ = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction capacitance per diode",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
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          "conditions": "f = 1MHz, VR = 0V",
          "source_page": 2,
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          "source_page": 2,
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          "unit": "mA",
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          "typ": null,
          "max": 200,
          "conditions": "TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak forward surge current",
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          "max": 1,
          "conditions": "t = 1s, TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
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        {
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          "typ": null,
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          "conditions": "",
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        {
          "name": "Storage temperature range",
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          "unit": "°C",
          "min": -55,
          "typ": null,
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          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RӨJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 357,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
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  "discovery_pitch": "MMBD4148CA RFG (Taiwan Semiconductor) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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