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Fuse protected varistors fit existing pcb layouts


TDK EPCOS ThermoFuse NT14 and NT20 series fuse protected varistors are compact, providing a footprint that fits into existing circuit board layouts. NT14 series (disk diameter 14mm) absorbs maximum surge currents with an 8/20-μs pulse of 6kA at rated voltages of between 130VRMS and 680VRMS. NT20 series (disk diameter 20mm) has a surge current capability with an 8/20-μs pulse of 10kA at rated voltages of between 130VRMS and 750VRMS. Both series offer a maximum energy absorption of up to 220 J and 480 J for 2ms, respectively. All products are available in 2-leaded and 3-leaded types, with the third lead used to monitor whether the fuse has been activated.


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