The TC0261A from Tai-Saw Technology is a SAW Resonator with Frequency 433.245 to 433.395 MHz, Centre Frequency 433.32 MHz, Insertion Loss 1.2 to 2 dB, Capacitance 3.57 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0261A can be seen below.