The TC0541A from Tai-Saw Technology is a SAW Resonator with Frequency 303.75 to 303.9 MHz, Centre Frequency 303.825 MHz, Insertion Loss 1.23 to 2 dB, Capacitance 4.4 pF, Voltage 5 V. Tags: Surface Mount, SAW Resonator. More details for TC0541A can be seen below.