Fuse selection.mini fuse voltage drop chart

　　Choose Fuse Type

　　Choose Standard [UL, IEC...]

　　Choose Voltage Rating [AC or DC]

　　Calculate Rated Current

　　Choose Interrupting Rating [Breaking Capacity]

　　Current Derating

　　Advisor In rush Characteristic ² T]

　　Consultant Pulse Factor [Fp]

　　1、 Choose Fuse Type

　　The first step in selecting a fuse is to determine the type and size required. Common structures and sizes include the following:

　　1. Tubular type: glass or ceramic tube body, with a general size of 3.6x10mm 5x15mm 5x20 6.3x32mm;

　　2. Plastic shell type: PA66 shell, small in size, woven with machine insertion, generally 8.5x8mm 8.5x7.6mm in size;

　　3. Epoxy resin type: ceramic tube body, surface sealing resin, micro type, woven machine insert, size: 3x7mm;

　　4. Surface mount: suitable for high-density circuit boards, with dimensions of 0402 0603 1206 6125 1032;

　　5. Automotive fuses: generally used in conjunction with terminals or boxes, specifically for use in automotive or low-voltage, high current systems;

　　2、 Choose Standard

　　UL248-1/UL248-14 US UL Standard WeChat Screenshot_ 20220416101559.png

　　Applicable countries: United States, Canada

　　Application label: UL or UR

　　IEC60127-2, Table 1/2/3/4/5/6 International Electrotechnical Commission standards

　　Applicable countries: Some countries in Europe and Asia

　　Application labels: VDE, SEMKO, CCC, FIMKO, TUV, etc., all approved and executed by relevant national certification bodies

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