The VTX50S3A Series from Advanced Crystal Technology is a VCTCXO with Frequency 9.6 to 50 MHz, Supply Voltage 3.3 V, Temperature Stability ± 0.25 to 2 ppm, Frequency Stability ±0.25 to ±2 ppm, Current 10 mA. Tags: Surface Mount. More details for VTX50S3A Series can be seen below.