SRP4020-R56M

Series:	SRP4020
Packaging:	Tape & Reel (TR)
Part Status:	Last Time Buy
Type:	Wirewound
Material - Core:	Iron
Inductance:	560nH
Tolerance:	±20%
Current Rating:	7A
Current - Saturation:	8A
Shielding:	Shielded
DC Resistance (DCR):	14.7 mOhm Max
Q @ Freq:	--
Frequency - Self Resonant:	--
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Inductance Frequency - Test:	100kHz
Mounting Type:	Surface Mount
Package / Case:	Nonstandard
Supplier Device Package:	--
Size / Dimension:	0.189" L x 0.157" W (4.80mm x 4.00mm)
Height - Seated (Max):	0.079" (2.00mm)

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Introduction

Fixed inductors are components used to create an inductance in an electric circuit. They typically comprise of a coil of wound wire, but can be formed from any other material, such as metal-oxide or ferrite, thru which a magnetic field is created when current is applied. The SRP4020-R56M is a specific category of fixed inductor, and in this article we shall discuss its application field and working principle.

Application Field

The SRP4020-R56M is a type of surface mount power inductor designed to provide optimal power transfer in DC-DC converters. This type of inductor can be found in numerous applications, such as voltage regulators, power supplies, signal filters, and power amplifiers. The SRP4020-R56M is capable of providing a high current handling capability of up to 4A, allowing for efficient operation at low frequencies. The maximum rated operating current is up to 4A and the maximum DC resistance is 2.4 ohms. The inductance of the SRP4020-R56M is 40uH, whilst its shielded construction ensures it operates without the need for a bulky heatsink.Due to its low profile and compact size, the SRP4020-R56M is also suitable for use in space-limited electronics. Furthermore, its temperature rating of -40°C to +85°C ensures it can operate in a wide range of temperatures.

Working Principle

The working principle of the SRP4020-R56M is based on the concept of Faraday\'s law of electromagnetic induction. When a current is passed through the SRP4020-R56, due to its coil configuration, a magnetic field is created. This magnetic field induces a phenomenon known as an electromotive force, which elicits an opposing current and thus induces resistance to the flow of current. The SRP4020-R56M utilizes the concept of Faraday\'s law of inductance, which states that the induced voltage (V) in an inductor is directly proportional to the rate of change of the magnetic flux threading through the inductor (A). As such, the SRP4020-R56M provides a certain degree of resistance to the flow of current, which modifies the current-voltage characteristics.

Conclusion

In conclusion, the SRP4020-R56M is a fixed inductor which is designed to provide optimal power transfer in DC-DC converters. It has a high current handling capability and is suitable for use in space-limited electronics. Its working principle is based on Faraday\'s law of electromagnetic induction, whereby the induced voltage is directly proportional to the rate of change of the magnetic flux threading through the inductor.

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