ECS-49-20-5P-TRCRYSTAL 4.9152MHZ 20PF SMD|ECS INC|Lead All|RoHS Mixed ECS-49-20-5PX-TR ECS-49-20-5P-TRCRYSTAL 4.9152MHZ 20PF SMD|ECS INC (VA)|Lead All|RoHS Mixed ECS-49-20-5PX-TR