PD73R-124K

DC Resistance (DCR):	570 mOhm Max
Height - Seated (Max):	0.138" (3.50mm)
Size / Dimension:	0.303" L x 0.272" W (7.70mm x 6.91mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	PD73R
Shielding:	Unshielded
Current - Saturation:	450mA
Current Rating:	450mA
Tolerance:	±10%
Inductance:	120µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed InductorsFixed inductors, also known as choke coils or simply chokes, are electrical components that store energy in the form of a magnetic field when electrically charged. They are made of a core material that can be either metal or ferromagnetic. Fixed inductors are widely used in many areas, such as electronics, audio, radio, and telecommunications. The PD73R-124K is a popular fixed inductor used in a variety of applications. In this article, we will explore the application field and working principles of the PD73R-124K.The PD73R-124K Fixed Inductor is primarily used within electronic circuits that require the delivery of high-current, low-impedance signals. It is often used in the drive circuits of power electronics, such as DC-DC converters, Class-D amplifiers, and MOSFET drivers. The inductor is designed to reduce high-frequency noise, increase input power, reduce output ripple, and exhibit low emissions at frequencies up to 3GHz. It also offers a wide range of operating temperature ranges, allowing it to be used in a variety of challenging and harsh environments.The core of the PD73R-124K is made of high-frequency, ferrite-based material. The inductance is adjustable and its output ripple current is low. The fixed inductor has a current rating of up to 1.6A and a DC resistance of up to 14.8 mΩ, making it suitable for use in high-current applications. Additionally, its high heat dissipation capacity makes it an ideal choice for higher power applications.The working principle of fixed inductors is based on Faraday’s Law, which states that a changing magnetic field will induce an electric current in a nearby conductor. When an alternating current passes through the PD73R-124K fixed inductor, it creates a self-induced magnetic field, which in turn generates an electric current. This electric current is then used to supply power to the circuit. The magnetic field created by the inductor causes the current flowing through it to change, resulting in further electrical energy being produced. As the magnetic field of the inductor changes, it also blocks out certain shapes and frequencies of electromagnetic interference.The PD73R-124K fixed inductor is an effective and durable device that has a wide range of applications. It is most commonly used in audio, radio, and power electronics circuits. It is also great for filtering out high frequency noise in signal amplifiers and circuitry. Overall, the PD73R-124K fixed inductor provides an efficient and reliable solution for circuit design and noise reduction.

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