Overview
The SPT 5×20 is a miniature fuse with dimensions of 5 x 20 mm, designed primarily for use as a primary protection component in various electrical equipment. It is specifically constructed to have a time-lag characteristic and caters to applications that require a high breaking capacity (HBC). Its usage spans across devices like power supply adapters for laptops and Switching Mode Power Supplies (SMPS) for televisions and DVDs. The fuse is available in a pigtail type, can be assembled with a fuseholder, and is provided in fuse kits.
Technical Specifications
The SPT 5×20 fuse is designed to operate at a rated voltage of 250VAC or 300VDC and can handle rated currents ranging from 0.5A to 16A. Its breaking capacity is between 500A to 1500A, indicating the maximum current the fuse can safely interrupt. This fuse boasts a time-lag ‘T’ characteristic, providing a delay in opening the circuit which is useful in transient or startup conditions. It can function within an admissible ambient air temperature range of -55°C to 125°C.
The construction materials include a ceramic tube and nickel-plated copper alloy endcaps. It maintains operational integrity in climatic conditions categorized as 55/125/21 according to IEC 60068. The unit weight is 1.16 grams, and storage conditions require temperatures from -25°C to 60°C with a maximum relative humidity of 70%. Product markings include rated current, rated voltage, characteristic, breaking capacity, and certification marks.
Approvals and Compliances
The SPT 5×20 fuses are designed conforming to industrial standards and have undergone tests and approvals by independent bodies according to both national and international standards. SCHURTER provides comprehensive information regarding product approvals, codes, usage instructions, and test conditions. In addition to the standard offerings, SCHURTER can also accommodate customer-specific agreements for products that require particular characteristics and standards, such as those needed in the automotive sector (IATF 16949), medical technology (ISO 13485), or the aerospace industry.
Additional Resources
For further information, the datasheet includes web links to the pigtail type SPT 5×20, preassembled fuseholders, and fuse kits containing the SPT 5×20. There are also facilities for checking distributor stock, making detailed product inquiries, and accessing general product information. These resources provide depth and broader understanding of the product’s functionality and integration.
Manual:
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