The TC0185A from Tai-Saw Technology is a SAW Resonator with Frequency 745.67 to 745.92 MHz, Centre Frequency 745.795 MHz, Insertion Loss 1.1 to 2 dB, Capacitance 2.87 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0185A can be seen below.