Electric fuse for an aircraft solid state power controller and aircraft solid state power controller comprising an electric fuse

A method of forming an electric fuse on an aircraft electric circuit board comprising at least two electric paths, the method comprising:

• connecting at least two of the electric paths with at least one electric conductor, which is configured to blow when an electric current (I) flowing through the at least one electric conductor exceeds a predefined threshold (Imax);
• encapsulating the at least one electric conductor in a potting comprising a polymeric potting material, wherein the potting has the configuration of a dam-and-fill potting, comprising a polymeric potting material and a dam material enclosing the polymeric potting material;
• and
• coating at least one surface of the potting with a coating comprising a polymeric coating material, particularly a deformable, extensible, ductile, or elastic polymeric coating material.

An electric fuse for an aircraft solid-state power controller comprising:

• at least one electric conductor, which is connected between an electric input terminal and an electric output terminal, and which is configured to blow when an electric current (I) flowing through the at least one electric conductor exceeds a predefined threshold (Imax);
• wherein the at least one electric conductor is encapsulated in a potting comprising a polymeric potting material;
• and
• wherein at least one outer surface of the potting is covered with a coating comprising a polymeric coating material;
• wherein the at least one electric conductor includes a plurality of electric conductors, which are connected in parallel between the electric input terminal and the electric output terminal.