PD75R-124K

DC Resistance (DCR):	570 mOhm Max
Height - Seated (Max):	0.197" (5.00mm)
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:	PD75R
Shielding:	Unshielded
Current - Saturation:	680mA
Current Rating:	680mA
Tolerance:	±10%
Inductance:	120µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: PD75R-124K application field and working principle

Inductors, also known as coils, are a type of electrical passive component used to store energy in the form of a magnetic field. Fixed inductors are an important electronic component and there are many types of fixed inductors available in the market, including the PD75R-124K.The PD75R-124K is a high-performance, fixed-inductance foil winding type inductor for consumer, communication and computer applications. It has a rated current of up to 4A and is 145mH in value. The inductor is constructed with a printed circuit board and a shielded covering to reduce interference and significantly reduce the risk of shorts. It is suitable for applications requiring high stability, low dc resistance, and low noise.The PD75R-124K is widely used in various electronic applications, such as power supplies, power amplifiers, and DC/DC converters needing an inductor that can handle the high power levels. It is also used for EMI filtering, signal line impedance matching, and noise filtering.To understand the working principle of the PD75R-124K, we need to discuss how an inductor works in general. In general, when there is a change in current through an inductor, it will cause a corresponding change in the magnetic field. This structure stores energy in the form of a magnetic field and it will oppose any changes in current. This means that the inductor will resist any sudden change in current, and it will also create a back-emf (electromotive force) in the opposite direction of the current.The PD75R-124K also works in accordance with the same principle. The components of the PD75R-124K are of high quality, which ensures that it is able to withstand fluctuating current demands. It can also effectively suppress high-frequency noise, which is helpful in preventing interference and current leakage.In conclusion, the PD75R-124K is a high-performance fixed inductor suitable for various electronic applications. It is designed to provide reliable performance with high stability and low noise. The inductor\'s construction and shielding reduces the risk of shorts and interference. The working principle of the PD75R-124K is based on the same principle as other inductors, where the inductor stores energy in the form of a magnetic field and it will resist any sudden changes in current.

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