ASMD050F-2 Circuit Protection

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PTC Resettable Fuses are an electronic component that will automatically open when it detects an over-current condition such as an over-voltage, short-circuit, or excessive heating. They are designed to protect the connected electronics from over-current, and if current levels return to normal, the fuse will automatically reset itself and allow power to flow again. They offer more intelligent protection over traditional fuses and can prevent damage to delicate electronic components.

The ASMD050F-2 is a PTC Resettable Fuse designed to protect against short-circuit and over-current in a variety of applications. It is a low ohmic, fast-acting, SPST (Single pole, single throtle) fuse with a current rating of 50A and a reset voltage of 250VAC. The device has a maximum I2t of 225A2s and has a maximum rated voltage of 400VAC. It is designed to provide reliable, short-circuit and over-current protection for various electronic components.

The working principle of the ASMD050F-2 is based on the thermistor effect. The device consists of a ceramic core with a resistive conductor, which is connected in series to the components it is protecting. The resistive conductor heats up when a current is passed through. At a certain point, the temperature reaches a certain threshold, and the device “trips” by temporarily opening the circuit. Once the current is below the thermal threshhold, the device will reset itself and the circuit will be restored.

The ASMD050F-2 can be used in a variety of different applications, including automotive, computers, consumer electronics, and industrial applications. It has been approved by multiple safety agencies, including UL, CSA, and VDE, and is designed to meet the requirements of IEC standards. In automotive applications, the ASMD050F-2 can be used to protect batteries, ECMs, connectors, and wiring harnesses from damaging over-current or short-circuit conditions.

In consumer electronics applications, the ASMD050F-2 can be used to protect against over-current and short-circuit conditions in portable electronics, such as phones, tablets, and other devices. They are also used in industrial applications, where they are used to protect sensitive components, such as sensors, actuators, and motors from damaging short-circuits.

The ASMD050F-2 is a highly reliable and robust PTC Resettable Fuse that provides protection from over-current conditions. Its fast trip times and low I2t values make it an ideal choice for use in various applications, and its approval by multiple safety agencies makes it an excellent choice for use in consumer and industrial applications.

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