The 5x7 SMD VCXO(PECL-LVDS) from CEC Xtal is a VCXO with Frequency 1 to 250 MHz, Frequency Stability ±25 to ±50 ppm, Supply Voltage 3.3 V ±10%, Tuning Voltage +/- 1.65 V, Current 40 to 70 mA. Tags: Surface Mount. More details for 5x7 SMD VCXO(PECL-LVDS) can be seen below.