The ATC 200A Series from American Technical Ceramics is a RF Capacitor with Capacitance 510 to 10000 pF, Frequency 30 to 150 MHz, Dielectric Strength 250% of Rated Voltage, ESR 0.071 to 2.238 Ohms, Voltage (WVDC) 50 to 100 V. Tags: Ceramic Capacitors, MLCC. More details for ATC 200A Series can be seen below.