main
Ray Set visibility: public 903756c 8h ago
{
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  "type": "component",
  "slug": "stth3r02",
  "title": "STTH3R02",
  "brief": "STMicroelectronics Diodes - Fast Recovery Rectifiers, DO-201AD. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "manufacturer": "STMicroelectronics",
    "package": "DO-201AD",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Diodes - Fast Recovery Rectifiers",
    "datasheet": "https://www.st.com/resource/en/datasheet/stth3r02.pdf",
    "parts": {
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    "distributor_links": {
      "lcsc": "C262977"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:43:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the ultrafast diode (VRRM 200 V, IF(AV) 3 A); the datasheet marks A and K on the package drawing without printed pin numbers."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode of the ultrafast diode (VRRM 200 V, IF(AV) 3 A); the datasheet marks A and K on the package drawing without printed pin numbers."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "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 shows only A and K symbols for the axial DO-201AD package and prints no pin numbers. T; The MPN STTH3R02 with no suffix is the DO-201AD Ammopack variant (Table 9). STTH3R02RL is the DO-201"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0647,
        "at": "2026-10-22T21:43:06"
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      "datasheet": {
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        "pages": 9,
        "sha256": "553c63f695652d6e",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          5.22,
          8.21
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "74dfc3e30557da83985dc913a3e74e2db498d62d061b20b48cba0cdf7b37301b",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "DO-201AD",
      "Category": "Diodes",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "ambient versus copper surface under each lead",
        "page": 5,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "553c63f695652d6e5f19a90d0eea0a327e9b742144eeaa6e011928192e99745d"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "553c63f695652d6e5f19a90d0eea0a327e9b742144eeaa6e011928192e99745d",
      "rows": [
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Repetitive peak forward current",
          "symbol": "IFRM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 110,
          "conditions": "tp = 5 µs, F = 5 kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward rms current",
          "symbol": "IF(RMS)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "DO-201AD",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Average forward current",
          "symbol": "IF(AV)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "DO-201AD, Tlead = 90 °C, δ = 0.5",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Surge non repetitive forward current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "tp = 10 ms Sinusoidal",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum operating junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum lead temperature for soldering",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 230,
          "conditions": "during 10 s at 4 mm from case",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction to lead thermal resistance",
          "symbol": "Rth(j-l)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "DO-201AD, Lead Length = 10 mm on infinite heatsink",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Tj = 25 °C, VR = VRRM",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 3,
          "max": 30,
          "conditions": "Tj = 125 °C, VR = VRRM",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage drop",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "Tj = 25 °C, IF = 9 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage drop",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.89,
          "max": 1,
          "conditions": "Tj = 25 °C, IF = 3 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage drop",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.76,
          "max": 0.85,
          "conditions": "Tj = 100 °C, IF = 3 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage drop",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.7,
          "max": 0.8,
          "conditions": "Tj = 150 °C, IF = 3 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse recovery time",
          "symbol": "trr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 24,
          "max": 30,
          "conditions": "IF = 1 A, dIF/dt = -50 A/µs, VR = 30 V, Tj = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse recovery time",
          "symbol": "trr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 16,
          "max": 20,
          "conditions": "IF = 1 A, dIF/dt = -100 A/µs, VR = 30 V, Tj = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse recovery current",
          "symbol": "IRM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 3.5,
          "max": 4.5,
          "conditions": "IF = 3 A, dIF/dt = -200 A/µs, VR = 160 V, Tj = 125 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward recovery time",
          "symbol": "tfr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "IF = 3 A, dIF/dt = 100 A/µs, VFR = 1.1 x VFmax, Tj = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward recovery voltage",
          "symbol": "VFP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.9,
          "conditions": "IF = 3 A, dIF/dt = 100 A/µs, Tj = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "STTH3R02 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}