The CX4VHT TF from IQD Frequency Products is a RF Quartz Crystal with Frequency 30 to 250 KHz, Frequency Tolerance ±30 to ±5, 000 ppm, Drive Power Level 0.5 µW, Load Capacitance 9 pF, Shunt Capacitance 1.1 pF. Tags: Surface Mount. More details for CX4VHT TF can be seen below.