SMD2920P100TFA

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PTC Resettable Fuses are electronic components, which are designed to prevent device overheating and current overloads. They are mainly used in a wide range of consumer electronics, industrial control systems and other medical and automotive applications. A PTC lamp is a specially designed Polymer Positive Temperature Coefficient (PPTC) resistor which has a unique resettable electrical function.

The SMD2920P100TFA is a typical example of a PTC Resettable Fuse. It is an ultra low resistance, solid state, polymeric Positive Temperature Coefficient (PPTC) device which is designed to protect equipment from over-current conditions due to short circuits or other excessive currents. The SMD2920P100TFA is available in surface mount (SMD) and wire leaded packages. The product is RoHS compliant and halogen free.

The application field of the SMD2920P100TFA includes electronic devices, automotive systems, audio-visual equipment, consumer electronics, entertainment, industrial control and other applications. It is also used in household appliances such as dryers, dishwashers, washing machines, and refrigerators.

The working principle of the SMD2920P100TFA is simple. It includes two resistors which are connected in series. The first resistor is sensitive to temperature and the second one is used to set the threshold current. When the temperature rise caused by the circulating current in the device is above a certain threshold it activates the secondary resistor, which in turn limits the flow of current in the device. This activates the fusing mechanism and stops the current causing a short circuit protection. The current in the device can only be reset manually and not automatically.

The SMD2920P100TFA is a reliable device which can protect the device from overloads and short circuits, and help maintain the normal operation of the device. Its compact size and low power consumption makes it a good choice for a wide range of applications. With its long life and reliable performance, it is an ideal component which can help to keep the device safe and improve its efficiency.

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