PTGL4SAS220K4B51B0

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PTC (positive temperature coefficient) resettable fuses are commonly used in embedded systems, power supplies, and multi-circuit boards. The advantages of this type of fuse are that it is self-resetting, and it automatically trips in the event of an overtemperature or short circuit condition. This type of fuse is especially useful in applications that require frequent retesting. The PTGL4SAS220K4B51B0 from Littelfuse is a four-pole, resettable fuse with a rated voltage of 220V. This product is designed specifically for embedded systems and power supplies.

The PTGL4SAS220K4B51B0 is designed to protect equipment from short-circuit conditions. It has a voltage rating of 220V and a current rating of 4A. The fuse has a switchable rating of 4A, 10A, 16A, and 20A, which provides flexibility for different applications. The temperature rating of the device is -55°C to 105°C and the fuse has a time-delay rating of 100ms to 1000ms.

At the heart of the PTGL4SAS220K4B51B0 is a PTC thermistor. A thermistor is a type of electrical nonlinear resistor whose resistance is dependent on temperature. When the temperature of the PTC thermistor reaches a certain level, the resistance of the PTC increases, causing it to trip and open. This reduces the amount of current that can pass through the circuit, thus protecting the components from damage.

The PTGL4SAS220K4B51B0 has an integrated over-temperature monitoring system. This system monitors the temperature of the components and will trip if the temperature exceeds the maximum allowable temperature. The over-temperature monitoring system is adjustable to meet specific application requirements. For example, the temperature limit can be adjusted from 105°C to 140°C.

The PTGL4SAS220K4B51B0 is also designed to self-reset in the event of an overtemperature or short circuit condition. After the appropriate amount of time has elapsed, the PTC thermistor will reset itself and the circuit will return to the normal operating mode. This feature eliminates the need for manual resetting and further protects the components of the circuit.

The PTGL4SAS220K4B51B0 has a wide range of applications, including embedded systems, power supplies, and multiple applications. Its adjustable time-delay fuse provides flexibility in the event of a fault. The integrated over-temperature monitoring system ensures that the temperature of the components remains within the allowed limits, while the self-resetting feature eliminates the need for manual resetting. All of these features make the PTGL4SAS220K4B51B0 an ideal choice for protecting sensitive electronics.

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