The HC49/3H from IQD Frequency Products is a RF Quartz Crystal with Frequency 3.2 to 100 MHz, Frequency Stability ±15 to ±100 ppm, Frequency Tolerance ±10 to ±100 ppm, Drive Power Level 500 µW, Load Capacitance 10 to 75 pF. Tags: Thru Hole. More details for HC49/3H can be seen below.