The ZT570 Series from Euroquartz Ltd is a TCXO with Frequency 20 KHz to 30 MHz, Supply Voltage 5 to 15 V, Current 15 mA, Phase Noise -152 to -140 dBc/Hz, Phase Noise 1 kHz -140 dBc/Hz. Tags: Surface Mount. More details for ZT570 Series can be seen below.