Diodo de Descarga Eletrostática (ESD)Os diodos TVS e os diodos ESD, esses dois dispositivos de proteção de circuitos, operam com o mesmo princípio, mas diferem significativamente em potência, aplicações, formato de encapsulamento, entre outros aspectos. Especificamente: os diodos ESD têm como função principal prevenir descargas eletrostáticas; no entanto, os requisitos antiestáticos exigem valores baixos de capacitância de junção, geralmente entre 1 e 3,5 pF sendo o ideal; já os diodos TVS apresentam valores de capacitância de junção relativamente altos. Os diodos ESD são aplicados principalmente para proteção em nível de placa; os diodos TVS são utilizados para proteção primária e secundária.
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