ECS-3953M-480-TR ECS-3953M-500-BN ECS-3953M-500-BN-TR ECS-3953M-500-BN-T-TR ECS-3953M-500-B-TR ECS-3953M-666-BN ECS-3953M-666-BN-TR ECS-3953M-666-B-TR ECS-3953M-666-B-TR 电源IC ECS-3953M-800-AU-TR