main
Ray Set visibility: public a75d2b5 15d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "zr40402f41ta",
  "title": "ZR40402F41TA",
  "brief": "Diodes Incorporated Voltage References, SOT-23-3. 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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    "power management ics",
    "zr40402f41ta",
    "factory-2.0.0",
    "extractor-text"
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    "category": "Power Management ICs",
    "subcategory": "Voltage References",
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      "lbr": "zr40402f41ta.lbr"
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    "distributor_links": {
      "lcsc": "C2658847"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:19:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 886 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Pin 1 may be left floating or connected to pin 2 (Gnd), per the datasheet pin assignment note."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (Gnd) return for the reference; pin 1 may be connected to it."
      },
      {
        "number": "3",
        "name": "VR",
        "type": "passive",
        "description": "Reference voltage terminal (VR), 4.1 V nominal reverse breakdown, recommended operating current 60µA to 15mA, absolute maximum 25mA."
      }
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    "provenance": {
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        "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: Datasheet says pin 1 is floating or connected to pin 2 and gives it no name. 'NC' is my label, and t; The two-terminal shunt reference has no standard ERC class. I used passive for VR and power_in for G; The datasheet marks the part OBSOLETE on page 1, although the ordering table lists ZR40402F41TA as R",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.2005,
        "at": "2026-10-23T18:19:31"
      },
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        "pages": 5,
        "sha256": "d72992c733d2cb3a",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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    "viewers": {
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "zr40402f41ta-etched.step",
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        "sha256": "48efbe4efc6390baa9f3aebcf35855780cedcca5ecd5aa6654f3a6edcfd54316",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23-3",
      "Category": "Power Management ICs",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d72992c733d2cb3a89cd65f2749ac49cacc2dedec7b45edd70b597a297e4228d",
      "rows": [
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          "name": "Reverse breakdown voltage (2% tolerance)",
          "symbol": "VR",
          "kind": "electrical",
          "unit": "V",
          "min": 4.01,
          "typ": 4.096,
          "max": 4.18,
          "conditions": "IR = 150µA, Tamb = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse breakdown voltage tolerance",
          "symbol": "Tol.",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "ZR40402F41TA, 2% grade",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum operating current",
          "symbol": "IMIN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 25,
          "max": 60,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Recommended operating current",
          "symbol": "IR",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0.06,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Average reverse breakdown voltage temperature coefficient",
          "symbol": "TC",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 20,
          "max": 100,
          "conditions": "IR(MIN) to IR(MAX)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Slope resistance",
          "symbol": "RS",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.55,
          "max": 2,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse dynamic impedance",
          "symbol": "ZR",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.4,
          "max": 1.2,
          "conditions": "IR = 1mA, f = 100Hz, IAC = 0.1IR",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse current",
          "symbol": "",
          "kind": "absolute_maximum",
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          "min": null,
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          "max": 25,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation SOT23",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 330,
          "conditions": "TAMB = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Wideband noise voltage",
          "symbol": "EN",
          "kind": "electrical",
          "unit": "µV(rms)",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "IR = 1mA, f = 10Hz to 10kHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_pitch": "ZR40402F41TA (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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