The TCXO7500BT-12.8MHz-A from Dynamic Engineers is a TCXO with Frequency 12.8 MHz, Supply Voltage 3.3 V, Current 2 to 10 mA, Load Capacitance 15 pF, Phase Noise -151 to -90 dBc/Hz. Tags: Surface Mount. More details for TCXO7500BT-12.8MHz-A can be seen below.