The TC0506A from Tai-Saw Technology is a SAW Resonator with Frequency 622.375 to 622.445 MHz, Centre Frequency 622.41 MHz, Insertion Loss 1.9 to 2.5 dB, Capacitance 2.54 pF, Voltage 3 V. Tags: Surface Mount, SAW Resonator. More details for TC0506A can be seen below.