SCRH127-121

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Fixed inductors are components that are designed to provide “FIXED” inductance in an electronic circuit. They are made up of two plates separated by an insulating material. The plates, known as the main and auxiliary windings, are wound with a copper wire. The number of turns on the windings determines the inductance of the inductor. Fixed inductors are usually used in power supplies, radio receivers and transmitters, and other circuits that require a constant impedance.

The SCRH127-121 is a type of fixed inductor that is manufactured by Coilcraft and is designed for high current applications such as power supplies, inverters, and motor control applications. It is available in a variety of inductance values, ranging from 1uH to 12mH, and offers good EMI suppression.

The SCRH127-121 has an inductance value of 2.44mH and a current rating of 12 Amps. It also has a DC resistance of 0.028 Ohms and a SRF (self-resonant frequency) of 1.2 MHz. The maximum operating temperature and the dielectric strength are both rated at 125°C and 250V respectively. The terminal connections are exceptionally strong, providing secure connections and reliable operation.

The SCRH127-121 works on the principle of electromagnetic induction. Electromagnetic induction occurs when a conductor is placed in a changing magnetic field. The changing magnetic field induces a current in the conductor, thus creating an inductance. When the SCRH127-121 is placed in an alternating current circuit, the alternating current creates a changing magnetic field and induces a current in the coil. This creates an inductance that is proportional to the current and the number of turns on the windings. The inductance of the SCRH127-121 is thus determined by the number of turns on the windings.

The SCRH127-121 is an excellent choice for a wide variety of applications such as switching power supplies, DC Rails, and DC/DC conversions. Its high inductance value, low DC resistance, and excellent EMI suppression make it well suited for these applications. Additionally, its large terminal connections are able to handle high current levels and still maintain a secure connection. In summary, the SCRH127-121 is an excellent fixed inductor for applications requiring high current and EMI suppression.

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