Founded in 1927, Littelfuse has evolved to be the No.1 circuit protection brand in the world with well-established and growing platforms in power control and sensing technologies. Today, Littelfuse offers the industry’s most diverse and extensive portfolio of products including fuses, semiconductors, polymers, ceramics, relays, sensors and more, serving the electronics, automotive and industrial markets. Each is manufactured to exacting standards of quality and backed by an unwavering commitment to technical support and customer service.