The VTCT75-4 Series from Advanced Crystal Technology is a VCTCXO with Frequency 1.25 to 40 MHz, Supply Voltage 2.5 to 5 V, Temperature Stability ± 0.5 to 3 ppm, Frequency Stability ±0.5 to ±3 ppm, Current 10 to 27 mA. Tags: Surface Mount. More details for VTCT75-4 Series can be seen below.