ECS-250-18-5P-F-TRCRYSTAL 25.000MHZ 18PF SMD|ECS INC|Lead All|RoHS Mixed ECS-250-18-5PX-F-TR ECS-250-18-5P-F-TRCRYSTAL 25.000MHZ 18PF SMD|ECS INC (VA)|Lead All|RoHS Mixed ECS-250-18-5PX-F-TR