The ECS-60-32-4XDN from ECS Inc. International is a RF Quartz Crystal with Frequency 6 MHz, Frequency Stability ±100 ppm, Frequency Tolerance ±30 ppm, Load Capacitance 32 pF, Equivalent Series Resistance 100. Tags: Thru Hole. More details for ECS-60-32-4XDN can be seen below.