The ECS-80-10-33-CHN-TR from ECS Inc. International is a RF Quartz Crystal with Frequency 8 MHz, Frequency Stability ±25 ppm, Frequency Tolerance ±10 ppm, Load Capacitance 10 pF, Equivalent Series Resistance 40. Tags: Surface Mount. More details for ECS-80-10-33-CHN-TR can be seen below.