VLP210XF

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PTC resettable fuses are a kind of protection device designed to protect circuits from overloads and short circuits. They are also known as polymer positive temperature coefficient (PPTC) fuses. They are made from a special type of polymer and an embedded resistor that reacts to an increase in temperature. The VLP210XF is a PTC resettable fuse specifically designed for automotive applications, including 12-V batteries, starter systems, and power supplies.

The VLP210XF is a robust device that can withstand high and low temperatures, humidity, and vibration levels. It features an ultra-low hold current of 4 mA, a latching current of 1.5–2.1 A, and a fast reaction time of less than 0.5 seconds. The VLP210XF is a highly reliable product, designed for use in highly demanding and hostile automotive environments. It is available in both an industry-standard 2-pin SMD package and a PCB mounting version.

The working principle of the VLP210XF is based on the principle of a Negative Temperature Coefficient (NTC) thermistor. When the current through the device exceeds its rated current, the voltage across it rises, causing the body temperature of the device to increase. This increase in temperature causes the device to enter into an irreversible nature and opens the circuit until the fault circuit is removed. The device then returns to its reset state, and the circuit is protected from further faults. The VLP210XF also uses a reverse blocking technology, which prevents the current from flowing in reverse during a fault, further improving the circuit protection.

The VLP210XF PTC resettable fuse is typically used in 12V automotive power applications as the main protection device. It can also be used as an alternative to a mechanical fuse in high-end telecommunications systems and medical equipment, where its fast response time and high reliability make it an ideal choice.

The VLP210XF will protect against several types of protective faults, including overloads, short circuits, and reverse blocking. It is RoHS compliant, making it suitable for use in a variety of applications. It is also highly robust and reliable and can operate safely in harsh environments. In addition, it is user-friendly and cost-effective, making it an ideal choice for a variety of applications.

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