The TC0255A from Tai-Saw Technology is a SAW Resonator with Frequency 315.05 to 315.25 MHz, Centre Frequency 315.15 MHz, Insertion Loss 1.7 to 2.5 dB, Capacitance 4.86 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0255A can be seen below.