The ATC 800C Series from American Technical Ceramics is a RF Capacitor with Capacitance 2.2 to 3000 pF, Frequency 30 to 150 MHz, Q Factor 2000, Dielectric Strength 250% of Rated Voltage, ESR 0.008 to 0.066 Ohms. Tags: Ceramic Capacitors, MLCC. More details for ATC 800C Series can be seen below.