The ATC 800H Series from American Technical Ceramics is a RF Capacitor with Capacitance 100 to 20, 000 pF, Frequency 30 to 150 MHz, Q Factor 5000, Dielectric Strength 120% of Rated Voltage, ESR 0.022 to 0.053 Ohms. Tags: Ceramic Capacitors, MLCC. More details for ATC 800H Series can be seen below.