The ECS-102.45-16-5PX-TR from ECS Inc. International is a RF Quartz Crystal with Frequency 10.245 MHz, Frequency Stability ±50 ppm, Frequency Tolerance ±30 ppm, Load Capacitance 16 pF, Equivalent Series Resistance 50. Tags: Surface Mount. More details for ECS-102.45-16-5PX-TR can be seen below.