The SiT7201 from SiTime is a TCXO with Frequency 10 to 60 MHz, Supply Voltage 1.8, 2.5, 2.8, 3.0, 3.3 V, Jitter 100 fs, Frequency Stability ±0.1, ±0.2, ±0.25 ppm, Operating Temperature -40 to 105 Degree C. Tags: Surface Mount, Low Phase Noise. More details for SiT7201 can be seen below.