The TC0236A from Tai-Saw Technology is a SAW Resonator with Frequency 669.3869 to 669.4469 MHz, Centre Frequency 669.4169 MHz, Insertion Loss 1.3 to 2.5 dB, Capacitance 2.96 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0236A can be seen below.