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Quad EMI Filters Also Provide ESD Protection

The KVA21 quad EMI filter array, a RoHS-compliant, distributed-constant type component, provides both EMI filtering and ESD protection in a single package. The components typically measure 2 mm x 1.25 mm x 0.7 mm and employ the company's latest varistor material, replacing the dielectric ceramic in previous KNA series filters. This varistor material is optimized using electromagnetic simulation to combine ESD protection with EMI filtering. Specs include an 8-kV ESD contact discharge in accordance with IEC/EN 61000-4-2, attenuation characteristics exceeding 30 dB, and a frequency range from 800 MHz to 2 GHz with minimal insertion loss. KYOCERA CORP., San Diego, CA. (858) 882-2000.


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