Circuit & System Protection


Fast-acting chip fuse for automotive applications

25 August 2021 Circuit & System Protection

Vishay introduced a new, very fast-acting thin film chip fuse. For automotive applications, the Vishay Beyschlag MFU 0603 AT is AEC-Q200 qualified and features current ratings from 0,5 A to 5,0 A.

The device will be used in electric (EV) and hybrid electric (HEV) vehicles, where it will provide protection for voltage sensing circuits in battery management systems, in addition to circuit protection for small loads. For these applications, the fuse’s highly controlled thin film manufacturing process guarantees outstanding stability of fusing characteristics.

Offering a robust design, the MFU 0603 AT consists of a homogeneous metal alloy film deposited on a high-grade ceramic substrate, with fuse elements covered by a protective coating designed for electrical, mechanical and climatic protection. The device offers advanced sulphur resistance in accordance with

ASTM B 809 and withstands 85°C/85% R.H. for 1000-hour biased humidity testing and testing for thermal shock.

Offered in the 0603 case size, the fuse features a rated voltage of up to 63 V, breakdown capacity of 50 A and operating temperature range of -55°C to +125°C.

For more information contact Willem Schmidt, Altron Arrow, +27 11 923 9600, wschmidt@arrow.altech.co.za, www.altronarrow.com


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