Littelfuse offers the most extensive range of fuses available. The 5 x 20mm series fuses include fast-acting, medium-acting and Slo-Blo in ceramic or glass construction as well as a wide range of ratings to choose from. These fuses are available in cartridge form or with axial leads. Upon request, different forming configurations can be accomodated. The Littefuse 5 x 20mm fuses are available in a wide current rating range (32mA to 25A ) with an operating range from -55°C to 125°C. The Littelfuse 5 x 20mm series fuses are designed to IEC specifications.