ECS-180-S-5P-TRCRYSTAL 18.00MHZ SERIES SMD|ECS INC|Lead All|RoHS Mixed ECS-180-S-5PX-TR ECS-180-S-5P-TRCRYSTAL 18.00MHZ SERIES SMD|ECS INC (VA)|Lead All|RoHS Mixed ECS-180-S-5PX-TR