The VTCSW53 Series from Advanced Crystal Technology is a VCTCXO with Frequency 10 to 52 MHz, Supply Voltage 2.5 to 5 V, Temperature Stability ± 0.5 to 3 ppm, Frequency Stability ±0.5 to ±3 ppm, Current 1.5 to 2.5 mA. Tags: Surface Mount. More details for VTCSW53 Series can be seen below.