The 0805 (R15S) S-Series from Johanson Technology is a RF Capacitor with Capacitance 0.3 to 220 pF, Frequency 1 kHz to 1 MHz, Q Factor 1000 to 10000, Dielectric Strength 500 to 1500 V, Voltage (WVDC) 250 V. Tags: High Q Capacitors, Ceramic Capacitors, MLCC. More details for 0805 (R15S) S-Series can be seen below.