Switching device and electronic circuit

A switching device comprising:

• a gate electrode, a source electrode, and a drain electrode;
• a drain terminal electrically connected to the drain electrode and having an island on which the SiC switching element is mounted;
• a gate terminal electrically connected to the gate electrode;
• a source terminal electrically connected to the source electrode;
• a sense source terminal electrically connected to the source electrode and spaced apart from the source terminal, and
• a resin package sealing the SiC switching element, a part of the gate terminal, a part of the source terminal, a part of the sense source terminal and a part of the drain terminal;
• wherein
• the gate terminal, the source terminal, the sense source terminal and the drain terminal each include a sealing portion sealed in the resin package and a terminal portion protruding in the same direction with respect to the resin package and protruding therefrom, and
• the distance between the terminal portion of the source terminal and the terminal portion of the drain terminal is greater than the spacing between the terminal portion of the source sense terminal and the terminal portion of the gate terminal.