{
  "record_type": "product_successor_mapping",
  "experiment_group": "C",
  "manufacturer": "Panasonic",
  "original": {
    "order_code": "FL4ENW1P",
    "catalog_code": "FL4ENW/1P",
    "status": "discontinued",
    "production_end": "2022-03-31",
    "specifications": {
      "form": "straight fluorescent lamp",
      "size_class": "4",
      "light_color": "natural",
      "color_temperature_k": 5200,
      "base": "G5",
      "rated_lamp_power_w": 4,
      "lamp_current_a": 0.162,
      "luminous_flux_lm": 130,
      "rated_life_h": 3000,
      "tube_diameter_mm": 15.5,
      "length_mm": 134.5,
      "compatible_starters": [
        "FG-7EL",
        "FG-7PL"
      ],
      "compatible_electronic_starter": "FE7E"
    }
  },
  "successor": {
    "order_code": "FL4ENWF31P",
    "catalog_code": "FL4ENWF3/1P",
    "relationship": "official manufacturer successor",
    "release_date": "2022-04-01",
    "order_end_scheduled": "2026-09-30",
    "specifications": {
      "form": "straight fluorescent lamp",
      "size_class": "4",
      "light_color": "natural",
      "color_temperature_k": 5200,
      "base": "G5",
      "rated_lamp_power_w": 4,
      "lamp_current_a": 0.162,
      "luminous_flux_lm": 130,
      "rated_life_h": 3000,
      "tube_diameter_mm": 15.5,
      "length_mm": 134.5,
      "compatible_starters": [
        "FG-7EL",
        "FG-7PL"
      ],
      "compatible_electronic_starter": "FE7E"
    }
  },
  "verification": {
    "last_verified": "2026-09-17",
    "confidence": "official_manufacturer_mapping",
    "primary_sources": [
      "https://www2.panasonic.biz/scvb/a2A/opnItemDetail?b_cd=101&contents_view_flg=1&item_cd=FL4ENW1P&item_no=FL4ENW1P&vcata_flg=1",
      "https://www2.panasonic.biz/jp/catalog/lighting/products/detail/shouhin.php?at=hinbansakuin&ct=zentai&hinban=FL4ENWF31P&id=S00326108"
    ],
    "discovery_reference": "https://koukeihin.com/panasonic/fl4enw1p/"
  }
}