{
  "v": "2.0",
  "page_type": "product",
  "title": "0273.400H Littelfuse Inc. | Circuit Protection | DigiKey",
  "breadcrumbs": [
    {
      "label": "Home",
      "href": "/python/html5/index.html"
    },
    {
      "label": "Brands",
      "href": "/python/html5/menu_brand_index/menu_brand_index_brands_87101ba214.html"
    },
    {
      "label": "Littelfuse Inc.",
      "href": "/python/html5/menu_brand_products/1000/24000/menu_brand_products_LittelfuseInc_1_7478598b2b.html"
    },
    {
      "label": "0273-400H",
      "href": null
    }
  ],
  "content": {
    "product": {
      "mpn": "0273-400H",
      "manufacturer": "Littelfuse Inc",
      "brand": "Littelfuse Inc.",
      "brand_url": "/python/html5/menu_brand_products/1000/24000/menu_brand_products_LittelfuseInc_1_7478598b2b.html",
      "title": "0273.400H Littelfuse Inc. | Circuit Protection | DigiKey",
      "description": "",
      "attributes": [
        {
          "name": "Brand name",
          "values": [
            {
              "value": "Littelfuse Inc.",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24251000/menu_attr_pair_Brandname_LittelfuseInc_1_29eb7f1f47.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24251000/menu_attr_pair_Brandname_LittelfuseInc_1_29eb7f1f47.html"
        },
        {
          "name": "Manufacturer name",
          "values": [
            {
              "value": "Littelfuse Inc.",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24251000/menu_attr_pair_Manufacturername_LittelfuseInc_1_ffd1fcbc5b.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24251000/menu_attr_pair_Manufacturername_LittelfuseInc_1_ffd1fcbc5b.html"
        },
        {
          "name": "Manufacturer",
          "values": [
            {
              "value": "Littelfuse Inc.",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24251000/menu_attr_pair_Manufacturer_LittelfuseInc_1_ed368fa3d5.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24251000/menu_attr_pair_Manufacturer_LittelfuseInc_1_ed368fa3d5.html"
        },
        {
          "name": "Extra Product Name",
          "values": [
            {
              "value": "0273.400H Littelfuse Inc. | Circuit Protection | DigiKey",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_ExtraProductName_0273400HLittelfuseIncCircuitProtectionDigi_1_254c1a9300.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_ExtraProductName_0273400HLittelfuseIncCircuitProtectionDigi_1_254c1a9300.html"
        },
        {
          "name": "atoms",
          "values": [
            {
              "value": "1",
              "url": "/python/html5/menu_attr_pair/menu_attr_pair_atoms_1_1_fa25edd0e2.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/menu_attr_pair_atoms_1_1_fa25edd0e2.html"
        },
        {
          "name": "extendedLead",
          "values": [
            {
              "value": "33 Weeks",
              "url": "/python/html5/menu_attr_pair/1000/1000000/1866000/menu_attr_pair_extendedLead_33Weeks_1_9d3a8bdaf2.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/1000000/1866000/menu_attr_pair_extendedLead_33Weeks_1_9d3a8bdaf2.html"
        },
        {
          "name": "extraShipping",
          "values": [
            {
              "value": "0",
              "url": "/python/html5/menu_attr_pair/1000/6000/menu_attr_pair_extraShipping_0_1_bd4d53cdf7.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/6000/menu_attr_pair_extraShipping_0_1_bd4d53cdf7.html"
        },
        {
          "name": "moq",
          "values": [
            {
              "value": "1",
              "url": "/python/html5/menu_attr_pair/menu_attr_pair_moq_1_1_29ca727a89.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/menu_attr_pair_moq_1_1_29ca727a89.html"
        },
        {
          "name": "MPN",
          "values": [
            {
              "value": "0273-400H",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_MPN_0273400H_1_d55fa8ec5d.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_MPN_0273400H_1_d55fa8ec5d.html"
        },
        {
          "name": "multiple",
          "values": [
            {
              "value": "1",
              "url": "/python/html5/menu_attr_pair/menu_attr_pair_multiple_1_1_2f60c1bab8.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/menu_attr_pair_multiple_1_1_2f60c1bab8.html"
        },
        {
          "name": "packaging",
          "values": [
            {
              "value": "Bulk",
              "url": "/python/html5/menu_attr_pair/1000/4000/menu_attr_pair_packaging_Bulk_1_36e2a74cc7.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/4000/menu_attr_pair_packaging_Bulk_1_36e2a74cc7.html"
        },
        {
          "name": "qtyInStock",
          "values": [
            {
              "value": "43",
              "url": "/python/html5/menu_attr_pair/1000/22000/menu_attr_pair_qtyInStock_43_1_c5c24f3bee.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/22000/menu_attr_pair_qtyInStock_43_1_c5c24f3bee.html"
        },
        {
          "name": "SKU",
          "values": [
            {
              "value": "91340",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_SKU_91340_1_88db6f04a9.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_SKU_91340_1_88db6f04a9.html"
        },
        {
          "name": "snippet",
          "values": [
            {
              "value": "400 mA 125 V AC 125 V DC Fuse Board Mount (Cartridge Style Excluded) Through Hole Radial, Can, Vertical",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_snippet_400mA125VAC125VDCFuseBoardMountCartridgeSt_1_3cf77f8135.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_snippet_400mA125VAC125VDCFuseBoardMountCartridgeSt_1_3cf77f8135.html"
        },
        {
          "name": "tierMinQty1",
          "values": [
            {
              "value": "1",
              "url": "/python/html5/menu_attr_pair/menu_attr_pair_tierMinQty1_1_1_974840705d.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/menu_attr_pair_tierMinQty1_1_1_974840705d.html"
        },
        {
          "name": "tierMinQty2",
          "values": [
            {
              "value": "5",
              "url": "/python/html5/menu_attr_pair/1000/4000/menu_attr_pair_tierMinQty2_5_1_b9ae4c5443.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/4000/menu_attr_pair_tierMinQty2_5_1_b9ae4c5443.html"
        },
        {
          "name": "tierMinQty3",
          "values": [
            {
              "value": "10",
              "url": "/python/html5/menu_attr_pair/1000/4000/menu_attr_pair_tierMinQty3_10_1_1819db5cd2.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/4000/menu_attr_pair_tierMinQty3_10_1_1819db5cd2.html"
        },
        {
          "name": "tierMinQty4",
          "values": [
            {
              "value": "50",
              "url": "/python/html5/menu_attr_pair/menu_attr_pair_tierMinQty4_50_1_02337155e4.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/menu_attr_pair_tierMinQty4_50_1_02337155e4.html"
        },
        {
          "name": "tierMinQty5",
          "values": [
            {
              "value": "100",
              "url": "/python/html5/menu_attr_pair/menu_attr_pair_tierMinQty5_100_1_2400e71bd9.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/menu_attr_pair_tierMinQty5_100_1_2400e71bd9.html"
        },
        {
          "name": "tierMinQty6",
          "values": [
            {
              "value": "250",
              "url": "/python/html5/menu_attr_pair/1000/11000/menu_attr_pair_tierMinQty6_250_1_424666e70f.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/11000/menu_attr_pair_tierMinQty6_250_1_424666e70f.html"
        },
        {
          "name": "tierMinQty7",
          "values": [
            {
              "value": "500",
              "url": "/python/html5/menu_attr_pair/1000/158000/menu_attr_pair_tierMinQty7_500_1_be95a6242f.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/158000/menu_attr_pair_tierMinQty7_500_1_be95a6242f.html"
        },
        {
          "name": "tierMinQty8",
          "values": [
            {
              "value": "1,000",
              "url": "/python/html5/menu_attr_pair/1000/160000/menu_attr_pair_tierMinQty8_1000_1_72aaab5734.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/160000/menu_attr_pair_tierMinQty8_1000_1_72aaab5734.html"
        },
        {
          "name": "tierPrice1",
          "values": [
            {
              "value": "7.29000",
              "url": "/python/html5/menu_attr_pair/1000/7000000/7240000/menu_attr_pair_tierPrice1_729000_1_72f85b97fc.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/7000000/7240000/menu_attr_pair_tierPrice1_729000_1_72f85b97fc.html"
        },
        {
          "name": "tierPrice2",
          "values": [
            {
              "value": "7.04000",
              "url": "/python/html5/menu_attr_pair/1000/9000000/9272000/menu_attr_pair_tierPrice2_704000_1_15c52a1bd3.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/9000000/9272000/menu_attr_pair_tierPrice2_704000_1_15c52a1bd3.html"
        },
        {
          "name": "tierPrice3",
          "values": [
            {
              "value": "6.78800",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice3_678800_1_695934a016.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice3_678800_1_695934a016.html"
        },
        {
          "name": "tierPrice4",
          "values": [
            {
              "value": "5.27960",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice4_527960_1_31bbdd75ff.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice4_527960_1_31bbdd75ff.html"
        },
        {
          "name": "tierPrice5",
          "values": [
            {
              "value": "4.39970",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice5_439970_1_aa91bb1c9c.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice5_439970_1_aa91bb1c9c.html"
        },
        {
          "name": "tierPrice6",
          "values": [
            {
              "value": "4.27396",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice6_427396_1_b6b0c6bb05.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice6_427396_1_b6b0c6bb05.html"
        },
        {
          "name": "tierPrice7",
          "values": [
            {
              "value": "3.64544",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice7_364544_1_3eccd3990b.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice7_364544_1_3eccd3990b.html"
        },
        {
          "name": "tierPrice8",
          "values": [
            {
              "value": "3.45688",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice8_345688_1_b62071e03d.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_tierPrice8_345688_1_b62071e03d.html"
        },
        {
          "name": "Category",
          "values": [
            {
              "value": "Circuit Protection",
              "url": "/python/html5/menu_attr_pair/1000/1000000/1356000/menu_attr_pair_Category_CircuitProtection_1_de7ca80ae9.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/1000000/1356000/menu_attr_pair_Category_CircuitProtection_1_de7ca80ae9.html"
        },
        {
          "name": "Mfr",
          "values": [
            {
              "value": "Littelfuse Inc.",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24257000/menu_attr_pair_Mfr_LittelfuseInc_1_7143365601.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24257000/menu_attr_pair_Mfr_LittelfuseInc_1_7143365601.html"
        },
        {
          "name": "Series",
          "values": [
            {
              "value": "MICRO? 273",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24297000/menu_attr_pair_Series_MICRO273_1_0a23188316.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24297000/menu_attr_pair_Series_MICRO273_1_0a23188316.html"
        },
        {
          "name": "Package",
          "values": [
            {
              "value": "Bulk",
              "url": "/python/html5/menu_attr_pair/1000/4000/menu_attr_pair_Package_Bulk_1_187d824384.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/4000/menu_attr_pair_Package_Bulk_1_187d824384.html"
        },
        {
          "name": "Product Status",
          "values": [
            {
              "value": "Active",
              "url": "/python/html5/menu_attr_pair/1000/4000/menu_attr_pair_ProductStatus_Active_1_409e936f40.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/4000/menu_attr_pair_ProductStatus_Active_1_409e936f40.html"
        },
        {
          "name": "Mounting Type",
          "values": [
            {
              "value": "Through Hole",
              "url": "/python/html5/menu_attr_pair/1000/103000/menu_attr_pair_MountingType_ThroughHole_1_322499c284.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/103000/menu_attr_pair_MountingType_ThroughHole_1_322499c284.html"
        },
        {
          "name": "Fuse Type",
          "values": [
            {
              "value": "Board Mount (Cartridge Style Excluded)",
              "url": "/python/html5/menu_attr_pair/1000/18000000/18604000/menu_attr_pair_FuseType_BoardMountCartridgeStyleExcluded_1_aa8495d1d9.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/18000000/18604000/menu_attr_pair_FuseType_BoardMountCartridgeStyleExcluded_1_aa8495d1d9.html"
        },
        {
          "name": "Current Rating (Amps)",
          "values": [
            {
              "value": "400 mA",
              "url": "/python/html5/menu_attr_pair/1000/6000000/6262000/menu_attr_pair_CurrentRatingAmps_400mA_1_f370f44984.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/6000000/6262000/menu_attr_pair_CurrentRatingAmps_400mA_1_f370f44984.html"
        },
        {
          "name": "Voltage Rating - AC",
          "values": [
            {
              "value": "125 V",
              "url": "/python/html5/menu_attr_pair/1000/10000000/10074000/menu_attr_pair_VoltageRatingAC_125V_1_f8aadeb12e.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/10000000/10074000/menu_attr_pair_VoltageRatingAC_125V_1_f8aadeb12e.html"
        },
        {
          "name": "Voltage Rating - DC",
          "values": [
            {
              "value": "125 V",
              "url": "/python/html5/menu_attr_pair/1000/12000000/12266000/menu_attr_pair_VoltageRatingDC_125V_1_b7976d88a4.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/12000000/12266000/menu_attr_pair_VoltageRatingDC_125V_1_b7976d88a4.html"
        },
        {
          "name": "Response Time",
          "values": [
            {
              "value": "Fast Blow",
              "url": "/python/html5/menu_attr_pair/1000/18000000/18593000/menu_attr_pair_ResponseTime_FastBlow_1_214be92164.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/18000000/18593000/menu_attr_pair_ResponseTime_FastBlow_1_214be92164.html"
        },
        {
          "name": "Package / Case",
          "values": [
            {
              "value": "Radial, Can, Vertical",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24296000/menu_attr_pair_PackageCase_RadialCanVertical_1_37cc873ff1.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24296000/menu_attr_pair_PackageCase_RadialCanVertical_1_37cc873ff1.html"
        },
        {
          "name": "Breaking Capacity @ Rated Voltage",
          "values": [
            {
              "value": "10kA",
              "url": "/python/html5/menu_attr_pair/1000/18000000/18602000/menu_attr_pair_BreakingCapacityRatedVoltage_10kA_1_e0ddae8f2a.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/18000000/18602000/menu_attr_pair_BreakingCapacityRatedVoltage_10kA_1_e0ddae8f2a.html"
        },
        {
          "name": "Melting I?t",
          "values": [
            {
              "value": "0.0251",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_MeltingIt_00251_1_192f06a562.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_MeltingIt_00251_1_192f06a562.html"
        },
        {
          "name": "Approval Agency",
          "values": [
            {
              "value": "CSA, QPL, UL",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24296000/menu_attr_pair_ApprovalAgency_CSAQPLUL_1_d4eb11816a.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24296000/menu_attr_pair_ApprovalAgency_CSAQPLUL_1_d4eb11816a.html"
        },
        {
          "name": "Operating Temperature",
          "values": [
            {
              "value": "-55?C ~ 85?C",
              "url": "/python/html5/menu_attr_pair/1000/1000000/1338000/menu_attr_pair_OperatingTemperature_55C85C_1_82f1c41bd3.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/1000000/1338000/menu_attr_pair_OperatingTemperature_55C85C_1_82f1c41bd3.html"
        },
        {
          "name": "Color",
          "values": [
            {
              "value": "-",
              "url": "/python/html5/menu_attr_pair/1000/709000/menu_attr_pair_Color_unknown_1_f5f39a70f4.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/709000/menu_attr_pair_Color_unknown_1_f5f39a70f4.html"
        },
        {
          "name": "Size / Dimension",
          "values": [
            {
              "value": "0.250\" Dia x 0.350\" H (6.35mm x 8.89mm)",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24297000/menu_attr_pair_SizeDimension_0250Diax0350H635mmx889mm_1_e2c813b9a0.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24297000/menu_attr_pair_SizeDimension_0250Diax0350H635mmx889mm_1_e2c813b9a0.html"
        },
        {
          "name": "DC Cold Resistance",
          "values": [
            {
              "value": "0.227 Ohms",
              "url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_DCColdResistance_0227Ohms_1_0268e90b8e.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/24000000/24298000/menu_attr_pair_DCColdResistance_0227Ohms_1_0268e90b8e.html"
        }
      ],
      "images": [],
      "distributors": [
        {
          "name": "Digi-Key",
          "sku": "91340",
          "url": "https://www.digikey.com/en/products/detail/littelfuse-inc/0273-400H/91340",
          "pricing": [
            {
              "quantity": 1,
              "price_usd": 7.29
            }
          ],
          "stock": {
            "available": true,
            "quantity": 43,
            "lead_time_days": 0
          },
          "moq": 1,
          "multiple": 1
        }
      ],
      "amazon": {
        "available": false,
        "products": []
      },
      "metadata": {
        "generated_date": "2026-04-26",
        "last_updated": "2026-04-26",
        "data_sources": [
          "Digi-Key"
        ],
        "completeness": 0.75,
        "version": "1.2"
      }
    }
  },
  "pagination": null,
  "nav": {
    "home": "/python/html5/index.html",
    "brands": "/python/html5/menu_brand_index/menu_brand_index_brands_87101ba214.html",
    "parts": "/python/html5/menu_part_index/menu_part_index_parts_909e6bf0ca.html",
    "attributes": "/python/html5/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html"
  }
}