Pulse resistant fuses designed for automated assembly

26th March 2015
Posted By : Siobhan O'Gorman
Pulse resistant fuses designed for automated assembly

 

A range of pulse resistant fuses and matching holders have been introduced by SCHURTER. The range is comprised of the UMF 250, UMT 250, UMZ 250, UMK 250, UMT-H. The matching fuse holders are glow wire resistant and suitable for reflow soldering.

The UMF 250 is a quick-acting SMD fuse that protects electronic systems from overcurrents and short circuits. The SCHURTER fuse is available for rated currents from 500mA to 10A and boasts a high breaking capacity of up to 200A at rated voltage. The fuse enables both primary and secondary protection right on the circuit board itself and can be used to protect power supplies, medical devices, lighting systems, household appliances and industrial equipment.

The UMT 250 SMD fuse has been designed to protect against overcurrents and short circuits. Extremely compact, it also saves space and simplifies production. With a breaking capacity of 200A at 250VAC and a time-lag design, it can provide primary protection for a wide range of 250 VAC applications such as industrial electronics and medical devices.

Designed in accordance with IEC and fitted with clip technology, the miniature time-lag UMZ 250 SMD fuse can be replaced more easily after soldering on the circuit board itself. The fuse is available for 18 different rated currents from 80mA to 4A. The ultra-small design enables a quick and efficient pick and place cycle, simplifying the production process.

The quick-acting UMK 250, a combination of fuse and fuseholder, is the logical complement to the time-lag UMZ 250. The hybrid offers the same benefits as the UMZ 250 in terms of exchanging fuses and is available for ten rated currents from 500mA to 4A. The UMK 250 is a suitable replacement for structurally identical SMD fuses that do not come with fuseholders.

The UMT-H is an SMD fuse with a high breaking capacity of 1500A. The range covers 19 rated currents from 160mA and 10A and can protect a variety of different applications. This compact fuse prevents short circuits while also offering reliable protection against overcurrents and is a space-saving alternative to traditional cylindrical cartridge fuses. Areas of application include industrial electronics, sensors, power supply systems, explosion protection and lighting.

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