Electronic Products & Technology

Surface mount fuse is small, powerful up to 50A

April 5, 2021  Stephen Law

SCHURTER UMT-H surface mount ceramic fuse family includes 40A and 50A current ratings with an breaking capacity rating of 500A at 125Vac / 72Vdc. Product series provides overcurrent and short circuit protection performance in a package size of 5.3 x 16mm. Device was originally developed to provide a smaller alternative to through-hole mounted 5 x 20 mm cartridge fuses, commonly used for primary circuit protection. Producy range has since grown to include 26 rated currents from 160mA to 50A. Rated voltage is maximum 277Vac / 250Vdc, with a remarkable interrupt capacity rating of 1500A for current ratings up to 6.3A. The Time-Lag T characteristic of device withstands high inrush and pulse currents.

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