ASMDC185F/33-2

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PTC resettable fuses, also known as polyfuses, are electrical components designed to protect electrical appliances or circuits from damage due to overcurrent or overvoltage. As such, it finds a wide range of use in the electronics industry, and its benefits are often considered to outweigh those of other overcurrent protection devices, such as fuses. ASMDC185F/33-2 is a form of PTC resettable fuse, and its application field and working principle will be discussed in this article.

Application Field of ASMDC185F/33-2

ASMDC185F/33-2 finds its application in the protection of electrical circuits which are vulnerable to overvoltage and overcurrent. It is mainly used in applications such as motor controllers, battery chargers, lighting fixtures, tools, and many other consumer electronic devices. It is particularly useful in these applications as its polymeric PTC material reduces thermal runaways due to its low resistance value when the device is operating normally, and then increases its resistance rapidly when the current rises above the normal level.

Due to its wide range of applications, ASMDC185F/33-2 is a very popular choice among engineers. The device is highly reliable, making it suitable for a variety of applications, and the device is also UL certified. This ensures that it meets the safety requirements necessary for its use in various markets.

Working Principle

The working principle of ASMDC185F/33-2 is based on a self-resetting feature. This allows the device to reset itself after a certain period of time, or when the current falls below the normal level. When the device is subjected to a surge in current or an overvoltage, its resistance increases, limiting the current to a safe level.

The polymeric PTC material in the device also ensures that the normal operating temperature range of the device does not exceed its rated value, making the device safe and reliable. This allows the device to remain operational even when subjected to high temperatures.

In addition, ASMDC185F/33-2 has a low holding current rating, making it suitable for a variety of applications, including motor controllers, lighting fixtures, tools, and many other consumer electronic devices. The device\'s low blown current ensures that it is protected from overcurrent as well.

Conclusion

ASMDC185F/33-2 is a form of PTC resettable fuse, perfect for protecting electrical circuits which are vulnerable to overvoltage and overcurrent. The device is highly reliable, UL certified, and has a low holding current rating, making it suitable for a variety of applications. Lastly, its polymeric PTC material ensures that the device is able to reset itself after a certain period of time, or when the current falls below the normal level, making it an ideal choice for engineers.

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