Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

PTC Resettable Fuses

PTC resettable fuses are an essential component of power systems. They are used as a way to protect electrical components and circuits from overloads and short circuits. The SMD2920P075TFA is a type of PTC resettable fuse designed for use in many applications.

Application Field

The SMD2920P075TFA is designed for use in the automotive industry, as well as other applications. It utilizes a PTC (positive temperature coefficient) resistor element that is temperature-sensitive. This allows it to act as both an over-current protection circuit and a quick-acting short circuit protection system.

In the automotive industry, this type of device can be used to protect systems such as electrical motors, CD players, and air bags. In other applications, it can also be used to protect electronic circuits from power surges. Additionally, this type of fuse is frequently used in healthcare devices such as pacemakers and defibrillators, as well as many other industrial and consumer devices.

Working Principle

The SMD2920P075TFA fuse utilizes a PTC positive thermal coefficient element. This element is temperature-sensitive, and is designed to be activated when the current passing through it increases beyond the rated amperage. This causes the temperature to increase, resulting in an increase of resistance.

Once the current drops below the rated amperage, the element then cools and returns to its normal state, allowing the circuit to be reset and continue to operate. This type of system is ideal for over-current protection, as it quickly responds to detect and prevent overloads and short circuits.

The SMD2920P075TFA is also designed to have a long service life, and is UL and CSA recognized for its performance. Additionally, this fuse is available with interchangeable adapters to allow for maximum flexibility.

Conclusion

The SMD2920P075TFA is an excellent example of a PTC resettable fuse, which can be used in a variety of applications. Its temperature-sensitive element allows it to quickly detect and prevent overloads and short circuits, ensuring that the device or circuit is not permanently damaged. Additionally, its long service life and ability to be used with interchangeable adapters make it a great choice for many applications.

The specific data is subject to PDF, and the above content is for reference