MINISMDE190-2

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PTC Resettable Fuses are widely used in various fields due to their convenience and safety. MINISMDE190-2 is a perfect example of PTC resettable fuses. It has outstanding performance in terms of current energy absorption capacity and its application field and working principle.

In terms of application field, MINISMDE190-2 is mainly used in electric power or telecom system. It is able to provide normal current energy absorption for medium-high currents to ensure the safe connection between power lines and devices. It is also used for overload and overcurrent protection for power supplies and circuits. With its minute size and resistance to high temperatures, it can be applied in many electronic products such as LED lighting, AC/DC power adapters, chargers, razor, computer, iPhone and so on.

The working principle of MINISMDE190-2 is based on the PTC (Positive Temperature Coefficient) technology. After overloaded, it works as a circuit breaker if up to the product protection threshold. In other words, the heat generated due to the large current passing through will cause the fuse\'s temperature rise, and the resistance will also increase. The temperature and resistance of the fuse will keep at a protected situation until the fuse cools down taken long enough time or the external power removed. Then, the original state of the circuit is restored, and the system works again.

Therefore, MINISMDE190-2 PTC resettable fuses have the advantages of fast response, stable performance and protecting break in current. Compared with other resettable fuses, it has a lower impedance surge current energy absorption capacity which allows it to connect power lines with better performance and safety.

In conclusion, MINISMDE190-2 PTC Resettable Fuses have a wide application field and its working principle based on PTC technology. It plays an important part in providing a safe connection between power lines and devices and protecting from overload and over current. Therefore, it is widely used in various electronics and electrical products.

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