The ECS-320-18-9X-F from ECS Inc. International is a RF Quartz Crystal with Frequency 32 MHz, Frequency Stability ±50 ppm, Frequency Tolerance ±50 ppm, Load Capacitance 18 pF, Equivalent Series Resistance 100. Tags: Thru Hole. More details for ECS-320-18-9X-F can be seen below.