Vishay / Beyschlag MFU AT Thin Film Chip Fuses feature advanced thin-film technology and are ideal for use in automotive electronics. Vishay / Beyschlag MFU AT Thin Film Chip Fuses are AEC-Q200 qualified and feature quick-acting and stable fuse characteristics. MFU AT offers advanced sulfur resistance and operates over a -55°C to +125°C operating temperature range.