The SOC3V308EC from KYUSHU DENTSU is a OCXO with Frequency 10 to 40 MHz, Supply Voltage 3.3 V, Current 300 to 800 mA, Load Capacitance 15 pF, Phase Noise 10 Hz @ -100 dBc/Hz to 10 KHz @ -140 dBc/Hz. Tags: Thru-Hole. More details for SOC3V308EC can be seen below.