Overcurrent short form catalog
●Eaton products can help safeguard virtually all forms of electronic equipment and devices. For over 100 years, Eaton's Bussmann series has been at the forefront of cutting-edge design and development of circuit protection devices for the industrial, automotive, energy management, computing, medical, and consumer markets.
●Eaton offers its Bussmann series one-time fuses, fuse accessories, PTC resettable fuses, and ESD suppressors in a broad range of specifications for numerous applications.
●Fuses:
◆Almost every electronic device – from portable and consumer devices to those utilized in automotive, medical, and industrial applications – requires some degree of protection against overcurrent events. The most efficient and reliable form of overcurrent protection is the one-time fuse. As the name implies, a one-time fuse opens a circuit to prevent damage from short circuit overcurrent or overload conditions as a positive disconnect and can be replaced afterward.
◆Eaton's fuses serve two critical purposes:they protect components, equipment, and people from the risk of electric fire or shock caused by damaging overcurrents;they reliably isolate subsystems from the main system once a fault has occurred.
●PTC resettable fuses:
◆Eaton Bussmann series Positive Temperature Coefficient (PTC) resettable fuses are circuit protection devices that provide overcurrent and overtemperature protection. PTC resettable fuses can provide overcurrent protection during fault events similar to one-time fuses, but they are resettable, allowing them to achieve longer use over the product's lifetime.
◆Each PTC fuse consists of a positive temperature coefficient material whose internal resistance increases exponentially with an increase in operating temperature. Eaton PTC resettable fuses have two functional states - ON and OFF. In the ON, or “tripped” state, the device offers very high resistance in response to faults such as short-circuiting or overheating. This limits current flow through the device until the fault is removed and the material cools, then reverts to low resistance mode. In the OFF, or “standby” state, the device maintains a low resistance as the current is within a safe range.
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