WxA Capacitor Arrays KYOCERA AVX WxA Capacitor Arrays offer dramatic space savings of up to 70% compared to discrete chip capacitors. KYOCERA AVX WxA Capacitor Arrays include X5R, X7R, and NP0 (C0G) ceramic dielectrics to cover a broad range of capacitance values. Voltage ratings for the series range from 6.3 to 100V. WxA Capacitor Arrays are ideal for use in a variety of applications, including mobile and cordless phones, digital set top boxes, and automotive applications.