PTKM50R-121H

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Fixed inductors belong to active components which function to hold electrical current. A common type of fixed inductor is the PTKM50R-121H. This type of inductor is widely used for its ability to store magnetic energy which can then be released in a limited time frame.

The PTKM50R-121H is an etch-wound chip inductor designed with an embedded ferrite body. It is composed of a metal coil that goes through a steel core and a ferrite center. Built with an open magnetic circuit design, it offers excellent power efficiency and high junction temperature. It is capable of withstanding up to 1A / 10Å¡ current with minimal effects of DV/DT margin and DC bias. This inductor also offers low temperature coefficient of inductance and low DCR.

The PTKM50R-121H’s application field is wide and includes consumer electronics, automotive electronics, aerospace, and defense industry. As mentioned earlier, this inductor is suitable for current applications of up to 1A/1Å¡, especially where it is required to achieve wide input range and output ripple suppression with excellent line regulation. This inductor is also perfectly suited for DC/DC converters, as it can steadily carry large current with low power loss.

The working principle of the PTKM50R-121H is relatively simple. The steel core helps in forming an electromagnetic field while the ferrite center keeps the core together. As the internal coil passes an electrical current, the mutual inductance and the magnetic field build-up which leads to storing of the energy in the steel core. This stored energy is later used to provide the required output current which makes this inductor an ideal choice for many power supply designs.

Overall, the PTKM50R-121H is an excellent choice when it comes to fixed inductors. With its wide application field, high power efficiency and excellent line regulation, this inductor is suitable for many power management designs. Its low temperature coefficient of inductance and low DCR also make it a great choice for consumer, automotive, and aerospace industries. In addition, its relatively easy working principle makes it a viable solution for many current applications as well.

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