The ATC 800E Series from American Technical Ceramics is a RF Capacitor with Capacitance 3.3 to 5100 pF, Frequency 30 to 150 MHz, Q Factor 5000, Dielectric Strength 250% of Rated Voltage, ESR 0.026 to 0.091 Ohms. Tags: Ceramic Capacitors, MLCC. More details for ATC 800E Series can be seen below.