{
  "api_version": 1,
  "category": "fiber-amplifiers",
  "slug": "panasonic-fx-251",
  "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-251/",
  "markdown_url": "https://compachi.com/fiber-amplifiers/panasonic-fx-251/index.html.md",
  "fields_url": "https://compachi.com/fields/fiber-amplifiers/",
  "maker": {
    "id": "panasonic",
    "name": {
      "ja": "パナソニック インダストリー",
      "en": "Panasonic Industry"
    }
  },
  "model": "FX-251",
  "name": "デジタル設定 ファイバアンプ（赤色・NPN・PNP）",
  "status": {
    "value": "active",
    "source": "lineup-2",
    "at": "アンプ / FX-251-C2",
    "raw": "FX-251-C2"
  },
  "variants": [
    {
      "model": "FX-251-C2",
      "differs": {
        "control_output": "NPN"
      },
      "source": "page",
      "at": "スペック詳細 / 出力",
      "raw": "NPNトランジスタ・オープンコレクタ"
    },
    {
      "model": "FX-251P-C2",
      "differs": {
        "control_output": "PNP"
      },
      "source": "page-2",
      "at": "スペック詳細 / 出力",
      "raw": "PNPトランジスタ・オープンコレクタ"
    }
  ],
  "specs": {
    "control_output": [
      {
        "value": "NPN",
        "source": "page",
        "at": "スペック詳細 / 出力",
        "raw": "NPNトランジスタ・オープンコレクタ",
        "standard": true
      },
      {
        "value": "PNP",
        "source": "page-2",
        "at": "スペック詳細 / 出力",
        "raw": "PNPトランジスタ・オープンコレクタ",
        "standard": true
      }
    ],
    "max_output_current_ma": [
      {
        "value": 100,
        "source": "page",
        "at": "スペック詳細 / 出力",
        "raw": "・最大流入電流：100mA",
        "standard": true
      },
      {
        "value": 20,
        "condition": [
          "gang-mounted"
        ],
        "source": "page",
        "at": "スペック詳細 / 出力",
        "raw": "・最大流入電流：100mA / （2台～16台密着取付時：20mA）",
        "standard": false
      }
    ],
    "response_time_us": [
      {
        "value": 35,
        "qualifier": "max",
        "condition": [
          "other-mode"
        ],
        "mode": "H-SPD",
        "source": "page",
        "at": "スペック詳細 / 応答時間",
        "raw": "H-SPD：35μs以下",
        "standard": false
      },
      {
        "value": 60,
        "qualifier": "max",
        "condition": [
          "other-mode"
        ],
        "mode": "FAST",
        "source": "page",
        "at": "スペック詳細 / 応答時間",
        "raw": "FAST：60μs以下",
        "standard": false
      },
      {
        "value": 250,
        "qualifier": "max",
        "mode": "STD",
        "source": "page",
        "at": "スペック詳細 / 応答時間",
        "raw": "STD：250μs以下",
        "standard": true
      },
      {
        "value": 2000,
        "qualifier": "max",
        "condition": [
          "other-mode"
        ],
        "mode": "LONG",
        "source": "page",
        "at": "スペック詳細 / 応答時間",
        "raw": "LONG：2ms以下",
        "standard": false
      },
      {
        "value": 24000,
        "qualifier": "max",
        "condition": [
          "other-mode"
        ],
        "mode": "H-PWR",
        "source": "page",
        "at": "スペック詳細 / 応答時間",
        "raw": "H-PWR：24ms以下",
        "standard": false
      }
    ],
    "light_source_color": [
      {
        "value": "red",
        "source": "page",
        "at": "スペック詳細 / 投光素子",
        "raw": "赤色LED（発光ピーク波長：660nm）",
        "standard": true
      }
    ],
    "light_source_wavelength_nm": [
      {
        "value": 660,
        "source": "page",
        "at": "スペック詳細 / 投光素子",
        "raw": "赤色LED（発光ピーク波長：660nm）",
        "standard": true
      }
    ],
    "light_source_type": [
      {
        "value": "LED",
        "source": "page",
        "at": "スペック詳細 / 投光素子",
        "raw": "赤色LED（発光ピーク波長：660nm）",
        "standard": true
      }
    ],
    "amplifier_type": [
      {
        "value": "digital",
        "source": "page",
        "at": "FX-251-C2｜デジタルファイバセンサ FX-250 / 商品",
        "raw": "デジタルファイバセンサ",
        "standard": true
      }
    ],
    "series": [
      {
        "value": "FX-250",
        "source": "page",
        "at": "FX-251-C2｜デジタルファイバセンサ FX-250 / 商品名",
        "raw": "デジタルファイバセンサ FX-250",
        "standard": true
      }
    ],
    "supply_voltage_v": [
      {
        "min": 12,
        "max": 24,
        "source": "page",
        "at": "スペック詳細 / 電源電圧",
        "raw": "12～24V DC±10% リップルP-P10%以下",
        "standard": true
      }
    ],
    "current_ma": [
      {
        "value": 40,
        "qualifier": "max",
        "source": "page",
        "at": "スペック詳細 / 消費電力",
        "raw": "（電源電圧24V時消費電流40mA以下）",
        "standard": true
      }
    ],
    "connection": [
      {
        "value": "cable",
        "source": "page",
        "at": "スペック詳細 / ケーブル",
        "raw": "0.2mm2 3芯キャブタイヤケーブル2m付",
        "standard": true
      }
    ],
    "cable_length_m": [
      {
        "value": 2,
        "source": "page",
        "at": "スペック詳細 / ケーブル",
        "raw": "0.2mm2 3芯キャブタイヤケーブル2m付",
        "standard": true
      }
    ],
    "ip_rating": [
      {
        "value": "IP40",
        "definition": "unspecified",
        "source": "page",
        "at": "スペック詳細 / 耐環境性:保護構造",
        "raw": "IP40(IEC)",
        "standard": true
      }
    ],
    "operating_temp_c": [
      {
        "min": -10,
        "max": 55,
        "definition": "ambient",
        "source": "page",
        "at": "スペック詳細 / 耐環境性:使用周囲温度",
        "raw": "－10～＋55℃",
        "standard": true
      }
    ],
    "storage_temp_c": [
      {
        "min": -20,
        "max": 70,
        "source": "page",
        "at": "スペック詳細 / 耐環境性:使用周囲温度",
        "raw": "保存時：－20～＋70℃",
        "standard": true
      }
    ],
    "operating_humidity_pct": [
      {
        "min": 35,
        "max": 85,
        "source": "page",
        "at": "スペック詳細 / 耐環境性:使用周囲湿度",
        "raw": "35～85％RH",
        "standard": true
      }
    ],
    "mass_g": [
      {
        "value": 55,
        "source": "page",
        "at": "スペック詳細 / 質量",
        "raw": "本体質量：約55g",
        "standard": true
      }
    ]
  },
  "sources": [
    {
      "id": "page",
      "kind": "maker_html",
      "title": "FX-251-C2 - パナソニック",
      "retrieved": "2026-10-05",
      "lang": "ja",
      "link_policy": "link",
      "href": "https://industry.panasonic.com/jp/ja/products/fasys/sensor/fiber/number/fx-251-c2"
    },
    {
      "id": "page-2",
      "kind": "maker_html",
      "title": "FX-251P-C2 - パナソニック",
      "retrieved": "2026-10-05",
      "lang": "ja",
      "link_policy": "link",
      "href": "https://industry.panasonic.com/jp/ja/products/fasys/sensor/fiber/number/fx-251p-c2"
    },
    {
      "id": "lineup-2",
      "kind": "maker_html",
      "title": "デジタルファイバセンサ FX-250 - パナソニック",
      "retrieved": "2026-10-05",
      "lang": "ja",
      "link_policy": "link",
      "href": "https://industry.panasonic.com/jp/ja/products/fasys/sensor/fiber/fx-250"
    }
  ],
  "last_verified": "2026-10-05",
  "alternatives": {
    "rule_url": "https://compachi.com/policy/#alternatives",
    "limit": 5,
    "total": 15,
    "must_match": [
      {
        "field": "control_output",
        "values": [
          "NPN",
          "PNP"
        ]
      }
    ],
    "near": [
      {
        "axis": "response_time_us",
        "weight": 1,
        "used": true
      },
      {
        "axis": "light_source_color",
        "weight": 1,
        "used": true
      },
      {
        "axis": "amplifier_type",
        "weight": 1,
        "used": true
      },
      {
        "axis": "max_output_current_ma",
        "weight": 1,
        "used": true
      }
    ],
    "candidates": [
      {
        "slug": "panasonic-fx-501",
        "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-501/",
        "json_url": "https://compachi.com/api/v1/fiber-amplifiers/panasonic-fx-501.json",
        "model": "FX-501",
        "name": "デジタル設定 ファイバアンプ（赤色・NPN・PNP）",
        "maker": {
          "id": "panasonic",
          "name": {
            "ja": "パナソニック インダストリー",
            "en": "Panasonic Industry"
          }
        },
        "status": "active",
        "score": 1
      },
      {
        "slug": "panasonic-fx-551",
        "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-551/",
        "json_url": "https://compachi.com/api/v1/fiber-amplifiers/panasonic-fx-551.json",
        "model": "FX-551",
        "name": "デジタル設定 ファイバアンプ（赤色・NPN・PNP）",
        "maker": {
          "id": "panasonic",
          "name": {
            "ja": "パナソニック インダストリー",
            "en": "Panasonic Industry"
          }
        },
        "status": "active",
        "score": 1
      },
      {
        "slug": "panasonic-fx-102",
        "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-102/",
        "json_url": "https://compachi.com/api/v1/fiber-amplifiers/panasonic-fx-102.json",
        "model": "FX-102",
        "name": "デジタル設定 ファイバアンプ（赤色・NPN・PNP）",
        "maker": {
          "id": "panasonic",
          "name": {
            "ja": "パナソニック インダストリー",
            "en": "Panasonic Industry"
          }
        },
        "status": "active",
        "score": 0.75
      },
      {
        "slug": "panasonic-fx-301b",
        "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-301b/",
        "json_url": "https://compachi.com/api/v1/fiber-amplifiers/panasonic-fx-301b.json",
        "model": "FX-301B",
        "name": "デジタル設定 ファイバアンプ（青色・緑色・NPN・PNP）",
        "maker": {
          "id": "panasonic",
          "name": {
            "ja": "パナソニック インダストリー",
            "en": "Panasonic Industry"
          }
        },
        "status": "active",
        "score": 0.75
      },
      {
        "slug": "panasonic-fx-301h",
        "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-301h/",
        "json_url": "https://compachi.com/api/v1/fiber-amplifiers/panasonic-fx-301h.json",
        "model": "FX-301H",
        "name": "デジタル設定 ファイバアンプ（赤外・NPN・PNP）",
        "maker": {
          "id": "panasonic",
          "name": {
            "ja": "パナソニック インダストリー",
            "en": "Panasonic Industry"
          }
        },
        "status": "active",
        "score": 0.75
      },
      {
        "slug": "panasonic-fx-311",
        "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-311/",
        "json_url": "https://compachi.com/api/v1/fiber-amplifiers/panasonic-fx-311.json",
        "model": "FX-311",
        "name": "マニュアル設定 ファイバアンプ（赤色・NPN・PNP）",
        "maker": {
          "id": "panasonic",
          "name": {
            "ja": "パナソニック インダストリー",
            "en": "Panasonic Industry"
          }
        },
        "status": "active",
        "score": 0.75
      },
      {
        "slug": "panasonic-fx-411",
        "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-411/",
        "json_url": "https://compachi.com/api/v1/fiber-amplifiers/panasonic-fx-411.json",
        "model": "FX-411",
        "name": "デジタル設定 ファイバアンプ（赤色・NPN・PNP）",
        "maker": {
          "id": "panasonic",
          "name": {
            "ja": "パナソニック インダストリー",
            "en": "Panasonic Industry"
          }
        },
        "status": "active",
        "score": 0.75
      },
      {
        "slug": "panasonic-fx-412",
        "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-412/",
        "json_url": "https://compachi.com/api/v1/fiber-amplifiers/panasonic-fx-412.json",
        "model": "FX-412",
        "name": "デジタル設定 ファイバアンプ（赤色・NPN）",
        "maker": {
          "id": "panasonic",
          "name": {
            "ja": "パナソニック インダストリー",
            "en": "Panasonic Industry"
          }
        },
        "status": "active",
        "score": 0.75
      },
      {
        "slug": "panasonic-fx-502",
        "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-502/",
        "json_url": "https://compachi.com/api/v1/fiber-amplifiers/panasonic-fx-502.json",
        "model": "FX-502",
        "name": "デジタル設定 ファイバアンプ（赤色・NPN・PNP）",
        "maker": {
          "id": "panasonic",
          "name": {
            "ja": "パナソニック インダストリー",
            "en": "Panasonic Industry"
          }
        },
        "status": "active",
        "score": 0.75
      },
      {
        "slug": "panasonic-fx-505",
        "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-505/",
        "json_url": "https://compachi.com/api/v1/fiber-amplifiers/panasonic-fx-505.json",
        "model": "FX-505",
        "name": "デジタル設定 ファイバアンプ（赤色・NPN・PNP）",
        "maker": {
          "id": "panasonic",
          "name": {
            "ja": "パナソニック インダストリー",
            "en": "Panasonic Industry"
          }
        },
        "status": "active",
        "score": 0.75
      },
      {
        "slug": "panasonic-fx-551l3",
        "url": "https://compachi.com/fiber-amplifiers/panasonic-fx-551l3/",
        "json_url": "https://compachi.com/api/v1/fiber-amplifiers/panasonic-fx-551l3.json",
        "model": "FX-551L3",
        "name": "デジタル設定 ファイバアンプ（赤色・PNP）",
        "maker": {
          "id": "panasonic",
          "name": {
            "ja": "パナソニック インダストリー",
            "en": "Panasonic Industry"
          }
        },
        "status": "active",
        "score": 0.75
      }
    ]
  }
}