Purchase the latest IPC-4556A version at Nimonik Standards or the IPC Store.
| Class | Description | Typical Applications | | :--- | :--- | :--- | | | General Electronic Products | Consumer electronics, toys, simple remote controls | | Class 2 | Dedicated Service Electronic Products | Industrial controls, automotive (non-safety), computers | | Class 3 | High Performance Electronic Products | Medical implants, aerospace avionics, military systems | ipc-4556 pdf