SMD0805P035TFA Circuit Protection

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PTC Resettable Fuses are a form of circuit protection device that have become increasingly popular in the electronics industry for a variety of applications. The SMD0805P035TFA is an especially reliable and versatile version of these devices.

These devices are quick-acting fuses that work like a switch to protect circuit components from damage due to over-current. The SMD0805P035TFA is a type of polyfuse resistor that is ideal for use in applications such as consumer and automotive electronics, telecommunications, and other high-performance applications that require quick response time and low thermal operating temperature.

The working principle of the SMD0805P035TFA is based on the phenomenon of “self-limiting” power. The device is designed with a thermistor that has a positive temperature coefficient. When power is applied to the device, the temperature of the thermistor will rise, and the resistance of the thermistor will increase. As the resistance increases, the current flowing through the device decreases, thus limiting the power.

These devices are also designed with a “trip” point at which they will disconnect the circuit in the event of an over-current condition. This trip point can be adjusted to suit the requirements of the device and the application. For example, the trip point for the SMD0805P035TFA can be adjusted from 0.35 amps to as low as 0.10 amps.

Once an over-current condition has occurred, the device will disconnect the circuit and the device will remain in this state until the power is removed. The device will not resume operation until the power is reapplied. This ensures that the circuit and the connected components are brought back into normal operation after the fault has been cleared.

The SMD0805P035TFA is designed to be used in small-profile and low-temperature applications. It can be used in applications where high-current and high-temperature requirements are present, such as automotive and telecommunication applications. The device is also RoHS (Restriction of Hazardous Substances) compliant, making it ideal for use in a variety of modern electronic systems.

In sum, the SMD0805P035TFA is an extremely reliable and versatile resettable fuse for a wide variety of applications. It provides quick-acting over-current protection and is designed for energy savings and long service life. The device is also RoHS compliant and well-suited to small-profile and low-temperature applications. Thus, the SMD0805P035TFA is an ideal choice for a variety of electronic systems.

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