Cylindrical miniature fuse link 5X20 HF 5A/250V 006710212

HF 5A/250V cylindrical miniature fuse

The 5x20 mm cylindrical miniature fuse with HF (super fast) characteristics provides effective protection for delicate electronic circuits against overload and short circuits. The compact dimensions of 7×20×7 mm allow for mounting in standard miniature fuse holders.

Operating parameters and technical characteristics

The device operates at a rated current of 5A and a voltage of 250V for both AC and DC, making it a universal solution for various types of installations. The HF (super fast) characteristic reacts immediately to current surges, protecting sensitive components from damage.

Endurance parameters include an AC short-circuit breaking capacity of 1.5 kA and power loss of 1.25W. The breaking I²t value of 32 A²s defines the energy that the fuse can safely interrupt.

Construction and materials

The CH type model, manufactured as a ceramic fuse, provides high thermal and mechanical resistance. The ceramic filling guarantees stable operation across a wide temperature range and effective electric arc quenching during tripping.

The small weight of 5 grams does not add extra load to the printed circuit board, and standard dimensions allow for easy replacement in existing installations.

Normative compliance and applications

The product meets the requirements of international standards IEC 60127-1 and IEC 60127-2, confirming its high quality and safety of use. The ETIM classification EC000035 identifies it as a professional cylindrical miniature fuse.

The main application is the protection of electronic devices - from switching power supplies and control boards to audio-video equipment. It is particularly recommended for circuits containing semiconductor elements, which are highly sensitive to voltage surges and overloads.