| 摘要 |
PURPOSE:To protect an electric circuit from inverse connection of a DC power source by forming an inverse connection protection circuit through combination of a diode and a fuse and adequately operating this inverse connection protection circuit. CONSTITUTION:An inverse connection protection circuit of a DC power source comprises a diode D1 as a first inverse connection protecting element connected between positive and negative voltage supply terminals 1, 2 of an electric circuit 4, a fuse F connected in series to a positive voltage supply terminal 1 and a diode D2 as a second inverse connection protecting element connected to a negative voltage supply terminal 2 through the fuse F. |
