CDR7D43MNNP-220NC

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Fixed Inductors:

Fixed inductors, commonly known as chokes, are passive components that provide inductance in circuits. They are used to reduce or completely block AC signals passing through them, while allowing DC signals to pass without significant affect. Fixed inductors are found in many electrical products, such as power supply networks, voltage regulators, audio equipment, and RF circuits.

One common type of fixed inductor is the CDR7D43MNNP-220NC. This component is a cylindrical surface-mount inductor with an inner magnetic core and two solderable leads. The inner core is made from a ferrite material and is kept sealed with a hexagonal plastic housing. It provides a high level of inductance, usually between 220 and 1000µH, with a maximum current rating of 7.0 Amps.

The CDR7D43MNNP-220NC is designed for use in a variety of applications. It is most commonly used in DC-DC converters, switching power supplies, and voltage regulators. In these types of circuits, the CDR7D43MNNP-220NC helps to protect components from damage due to voltage variations. Additionally, the component eliminates spurious frequencies, enables a smooth transition of signals, and reduces audible noise.

The working principle of the CDR7D43MNNP-220NC is fairly straightforward. Inside the internal magnetic core, electrons are compelled to follow a circular path when a current is applied. This results in an opposing magnetic field that counters the external current and produces a counter force. The counter force is what is referred to as inductance. The higher the current, the greater the opposing force, and the greater the inductance.

The CDR7D43MNNP-220NC also provides added protection against over-voltage and transients. Its internal magnetic core acts as a filter, helping to attenuate these spikes and prevent damage to other components. Additionally, its small size and footprint make it suitable for space-constrained circuits.

In summary, the CDR7D43MNNP-220NC is a versatile fixed inductor that can be used in a variety of applications. It has a high level of inductance which can reduce or block AC signals, while allowing DC signals to pass without significant affect. This component also provides added protection to other components by attenuating transients and over-voltages.

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