The ECS-1142.85-18-33-ADN-TR from ECS Inc. International is a RF Quartz Crystal with Frequency 114.285 MHz, Frequency Stability ±100 ppm, Frequency Tolerance ±25 ppm, Load Capacitance 18 pF, Equivalent Series Resistance 100. Tags: Surface Mount. More details for ECS-1142.85-18-33-ADN-TR can be seen below.