The TX70S3A/B Series from Advanced Crystal Technology is a TCXO with Frequency 9.6 to 50 MHz, Supply Voltage 3.3 to 5 V, Output_Voltage 0.8V p-p min, Current 15 mA, Load Capacitance 10 to 15 pf. Tags: Surface Mount. More details for TX70S3A/B Series can be seen below.