| 摘要 |
The invention is a combination electrical fuse, said combination comprising, in series, a positive temperature coefficient (PTC) disc-shaped component (12) and a fusible link. The PTC disc-shaped component (12) comprises a central region (18), including PTC material and outer, circular electrodes on opposite sides of the disc-shaped component. The PTC material is preferably ceramic barium titanate, and the fusible link is preferably a thin metal wire. The fusible link and PTC material are enclosed within an insulating material, which is preferably made of a thermoplastic. |
