PRG18BB221MS1RB

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PTC resettable fuses are a type of fuse that can be reset or reactivated multiple times after being tripped. They are mainly used in applications where traditional fuses are not able to withstand the large inrush current spikes or where traditional fuse replacement poses a significant safety risk. One of the most common applications of PTC fuses is in the consumer electronics industry, where they are used to protect circuit boards from overcurrent and overvoltage scenarios. The PRG18BB221MS1RB is a widely used PTC resettable fuse that is used in relatively low current applications up to 2 Amps and at a maximum operating voltage of 65 VDC.
The PRG18BB221MS1RB is composed of a polymeric positive temperature coefficient element which is encased in an epoxy-sealed package. When an overcurrent or overvoltage situation occurs, the PTC will experience an increase in temperature which causes the resistance of the PTC to increase. This higher resistance effectively reduces the amount of current passing through the PTC, thereby limiting the further increase in temperature and preventing damage to the protected circuit. When the overload or overvoltage situation is resolved, the temperature of the PTC will decrease which in turn reduces the resistance and increases the amount of current that can flow through the PTC.
The PRG18BB221MS1RB has a variety of features that make it a suitable choice for use in a multitude of applications. These include its high current handling capacity of up to 2 Amps, its low power dissipation of less than 0.5 W, and its predictable temperature coefficient. It is also thermally protected against damage even in harsh operating environments, making it suitable for applications in environments where there could be rapid temperature fluctuations. It can also operate over a wide temperature range from - 40°C to + 85°C, making it suitable for use in a wide range of applications.
The PRG18BB221MS1RB is a highly reliable and cost-effective solution for a variety of applications in the consumer electronics industry. It can be used as a form of current limiting protection against overcurrent conditions, as well as providing secondary protection against overvoltage situations. It is also used as a means of protecting the integrity of circuits from reverse bias, short-circuit, surge, and ESD conditions. Its low-power dissipation, predictable temperature coefficient, and compact size make it an ideal choice for use in a variety of applications.
The PRG18BB221MS1RB is a PTC resettable fuse that offers a cost-effective solution for applications in the consumer electronics industry. It has a high current rating of up to 2 Amps and a low power dissipation of less than 0.5 W. It is thermally protected against damage even in harsh operating environments and can operate over a wide temperature range from - 40°C to + 85°C. It also offers predictable temperature coefficient and can be used as a form of current limiting protection against overcurrent conditions, as well as providing secondary protection against overvoltage situations. With its robust design and reliable performance, the PRG18BB221MS1RB is an ideal choice for low current applications where safety and reliability are paramount.

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