Can dissipate heat into the air, allowing for slightly narrower traces for the same current load.
For aerospace, medical, and defense contracts, assembly houses and regulatory bodies require explicit verification that designs conform exactly to the text of the latest IPC revision. Ipc-2221 Pcb Design Pdf
It classifies products based on their end-use criticality: Class 1 (General): Consumer electronics (e.g., TV remotes). Can dissipate heat into the air, allowing for