NTPAJ100LDKB0

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Inrush Current Limiters (ICLs) are devices that are designed to limit the amount of inrush current into a circuit. NTPAJ100LDKB0 is an example of an ICL application. The purpose of this type of device is to protect the components from excessive amounts of current flow that may lead to destruction. The NTPAJ100LDKB0 inrush current limiter is best used in applications in which low levels of voltage are present. It can handle current levels up to 160 amps.

In order to understand the working principle of the NTPAJ100LDKB0, it is important to understand the inrush current and how it affects the circuit. Inrush current is the surge of electric current that occurs when a device, such as an inductor or motor, is powered up. This current surge is typically higher than the normal operating current of the device. This high level of current can damage the electronics and create hazards for the people operating the circuit. This is why it is important to use an ICL to limit the inrush current.

The NTPAJ100LDKB0 ICL is designed to reduce the amount of inrush current that flows into the circuit. It works by controlling the voltage across the inductor. It has four internal components: a positive temperature coefficient (PTC) fuse, a bidirectional thyristor, a series resistor, and a series inductor. The PTC fuse and the thyristor are connected in series. The resistor and the inductor are connected in parallel. The current passing through the inductor is limited by the series resistor. The amount of current allowed to pass is determined by the resistance of the resistor.

When the circuit is powered up, the PTC fuse and the thyristor are both open. This allows the inrush current to flow unchecked. As the inrush current flows, it passes through the series resistor and the inductor. The inductor stores the energy of the inrush current and the resistor limits the current flow. As the stored energy in the inductor increases, the voltage across it also increases. When the voltage reaches a certain level, the PTC fuse and the thyristor are triggered, and they begin to conduct. This limits the voltage across the inductor and reduces the amount of inrush current that passes through it. It is important to note that the PTC fuse acts as an over-voltage protector and will trip if the voltage exceeds a certain level.

NTPAJ100LDKB0 is a valuable ICL application in applications where low levels of voltage are present. It is designed to protect the components from excessive inrush current flow and provide a safe and reliable way to control the current levels. The combination of the PTC fuse, thyristor, series resistor, and inductor make the NTPAJ100LDKB0 an effective inrush current limiter for protecting sensitive components from excessive current.

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