418 MHz SAW Resonator 0.032ppm 85C Surface Mount Features Type: SAW; Frequency: 418 MHz; Frequency Stability: A 0.032 ppm; Frequency Tolerance: A 75 kHz; Operating Temperature: -40C to 85C; Mounting Type: Surface Mount; Package: 4-SMD, No Lead; Size: 0.236" L x 0.157" W (6 mm x 4 mm) ; Height: 0.090" (2.29 mm) ; Base Number: RO21;