The ASVTX-13 from Abracon LLC is a TCXO with Frequency 13 to 52 MHz, Supply Voltage 1.8 to 3.3 V, Current 1.5 to 2 mA, Phase Noise -144 to -130 dBc/Hz, Phase Noise 1 kHz -130 dBc/Hz @ 1 KHz. Tags: Surface Mount. More details for ASVTX-13 can be seen below.