The latest addition to Schurter's range of RoHS compliant products is the UMT 250 fuse-link, claimed to offer the highest protection currently available in primary protection SM fuses. It touts a breaking capacity rating of 200 A at 250 V a.c. or 100 A at 125 V d.c. over a current range of 315 mA to 4 A.
Measuring a small 10 x 3 x 3 mm, the UMT 250 makes significant advances in the miniaturisation of primary protection and process compatibility. It is an ideal replacement for the popular axial or radial lead through-hole fuses. Using SM components, instead of through-hole components, results in lower production costs while providing higher reliability and quality of connection to the PCB.
The UMT 250 fuse meets IEC 60127-4 and its equivalent UL 248-14. Its time-lag characteristics are especially suited for applications with inrush currents that require sustained fuse performance. It is suited for power supplies and battery chargers, also AC/DC converters, small IT equipment, health care devices, chargers for mobile phones, games and other home appliances such as electric shavers.
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