The CX3V TF from IQD Frequency Products is a RF Quartz Crystal with Frequency 18 to 600 KHz, Frequency Tolerance ±30 to ±5, 000 ppm, Drive Power Level 0.5 to 1 µW, Load Capacitance 4 to 10 pF, Shunt Capacitance 1.8 pF. Tags: Surface Mount, Ceramic. More details for CX3V TF can be seen below.