The TC0556A from Tai-Saw Technology is a SAW Resonator with Frequency 1033.283 to 1033.383 MHz, Centre Frequency 1033.333 MHz, Insertion Loss 1.5 to 2 dB, Capacitance 2.3 pF, Voltage 3 V. Tags: Surface Mount, SAW Resonator. More details for TC0556A can be seen below.