AT5221A-3.3DAU4R AT5221A-3.3KER AT5221A-3.3KM4R AT5221A-3.6KER AT5221A-3.8KER AT5221A-4.0KER AT5221A-4.8KER AT5231-1.0KDR AT5231-1.0KER AT5231-1.0KM5R