1025R-56H

DC Resistance (DCR):	3.4 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.095" Dia x 0.250" L (2.41mm x 6.35mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	24MHz
Q @ Freq:	45 @ 2.5MHz
Series:	1025R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	130mA
Tolerance:	±3%
Inductance:	33µH
Material - Core:	Ferrite
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors play a vital role in many electrical systems as energy storage components. Fixed inductors, as the name implies, have fixed parameters and are usually constructed in a coil form. The 1025R-56H is a common type of fixed inductor that is usually found in RF (radio frequency) circuits. This article will look at the application field of the 1025R-56H inductor and the working principle behind it.

Structure and Application

The 1025R-56H is a non-coated, thermally protected, surface-mount device. It comes in a unique design with a radial leaded configuration, meaning that two leads are located on either the top or bottom circumference of the inductor. This small size and high reliability makes it ideal for a wide variety of applications, including:- Filtering of alternating currents- Noise suppression- Choke/bypass application- Matching network

Working Principle

The 1025R-56H operates on the same principles of all inductors - the presence of an electric field in the coil encased within the inductor causes a current to flow, which in turn generates another electric field opposing the original one. This is known as “inductance” and is measured in Henries. In practice, when a DC voltage is applied across the 1025R-56H, the inductor has two functions. First, it will oppose the change in the current in the circuit. This is known as “DC resistance”. Secondly, it will store energy in the form of magnetic field that is created by the current itself. The 1025R-56H has an inductance value of 56H, meaning that it can store 56 joules of energy per ampere. This stored energy is then released when the current flow is interrupted.

Conclusion

The fixed inductor 1025R-56H is an ideal component for a variety of applications due to its small size and high reliability. It works on the principle of inductance to oppose the change in current in a DC circuit, and to store energy in the form of magnetic fields. This stored energy can then be released when the current flow is interrupted.

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