One - stop services
Spanning from electronic DESIGN to the SALE of electronic components.
Protection Device
The main overcurrent protection components used in electronic equipment include ordinary fuses, thermal fuses, self-resetting fuses and fuse resistors (protective resistors), etc. They are generally connected in series in the circuit. When abnormal phenomena such as overcurrent or overheating occur in the circuit, they will immediately cut off the circuit to play a protective role, so as to prevent the fault from further expanding. The main overvoltage protection devices include varistors, overvoltage protection diodes, etc., which are generally connected in parallel in the circuit.
Ordinary Fuse
Ordinary fuses are non-recoverable fuses after fusing, which play a role of short-circuit protection in the circuit. After fusing, only a new fuse can be replaced. Its text symbol in the circuit is “F” or “FU”.
Thermal Fuse
Thermal fuse is also a non-recoverable overheating protection component, which is widely used in various electronic products such as electric cookers, motors, power transformers, etc. for over-temperature protection.
Self-Resetting Fuse
Self-resetting fuse is a current-limiting protection component with overcurrent and overheating protection functions. It can be reused multiple times and is also called a thermal protector.
When faults such as overload or short circuit occur in the low-voltage power supply line, the electrical components (such as low-voltage circuit breakers, fuses and thermal relays) that play a protective role in the low-voltage power supply line will act to cut off the circuit, so as to protect the power supply line, power supply equipment and electrical equipment from being burned due to faults such as overload or short circuit.