By Littelfuse Inc 177
The Littelfuse 450 W SD (unidirectional) and SD-C (bidirectional) series general-purpose TVS Diode Arrays (SPA® Devices), are designed to replace multilayer varistors (MLVs) for protecting electronic equipment from damage due to electrostatic discharge (ESD) and other transient events. Unlike ceramic devices, which have an inherent wear-out factor, these new devices are made of silicon diodes, which allow them to absorb repetitive ESD strikes or surge transients safely without performance degradation. Their low-dynamic resistance provides up to a 50% reduction in clamping voltage when compared with competing technologies, and they can safely dissipate induced surge currents up to 30 A. Typical applications of these devices include point-of-sale terminals, test equipment or instrumentation, medical equipment, desktop and notebook computers, servers, computer peripherals, and more.
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