The TC0238A from Tai-Saw Technology is a SAW Resonator with Frequency 479.375 to 479.525 MHz, Centre Frequency 479.45 MHz, Insertion Loss 1.41 to 2.5 dB, Capacitance 2.77 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0238A can be seen below.