DC Resistance (DCR):	6.9 Ohm Max
Height - Seated (Max):	0.225" (5.72mm)
Size / Dimension:	0.540" L x 0.250" W (13.72mm x 6.35mm)
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:	IHSM-4825
Shielding:	Unshielded
Current - Saturation:	150mA
Current Rating:	240mA
Tolerance:	±15%
Inductance:	1mH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed Inductors refer to a type of inductor with a fixed inductance value and two terminals. The IHSM4825ER102L is a typical example of such inductors and is part of the IHSM series. It is a ferrite core based inductor and was designed to increase the stability of power circuits in a wide range of applications. Generally, it can be used as a DC filter inductor, EMI filter inductor, an output inductor for power supplies or as an input inductor for DC-DC converters. It is suitable for commercial applications and also for high power designs. In this article, we will focus on the application field and working principle of the IHSM4825ER102L.

Application Field

The IHSM4825ER102L has a wide range of applications. It was designed for standard commercial applications such as telecom, automotive, industrial control, consumer electronics, etc. It is also suitable for high power designs such as power supplies with DC output ratings up to 40 Amps. In addition, it is also suitable for EMI filter/input/output inductance applications and active harmonic filter applications. As mentioned earlier, it is also suitable for DC filter inductors, EMI filter inductors, output inductors for power supplies, as well as input inductors for DC-DC converters.

Working Principle

The IHSM4825ER102L uses a ferrite core material and has two terminals. The terminals are used to connect to power sources and are made of high-temperature resistant materials. When the power source is applied to the terminals, an electric field is generated within the core due to the current flow. The electric field induces a magnetic field in the core, which acts as a stabilizing force. The magnetic field prevents any changes in the inductance of the core, thus providing a constant inductance value.When the power source is disconnected, the electric field in the core dissipates and the magnetic field disappears. This results in a decrease in the inductance value of the core, thus causing a change in the inductance value of the whole device. This change is necessary for the proper operation of the power supply or the DC-DC converter.

Conclusion

The IHSM4825ER102L is a fixed inductor with a wide range of applications. It is suitable for high power designs such as power supplies and EMI filters. Its working principle is based on a ferrite core and two terminals, which generate an electric field and a magnetic field, providing a constant inductance value.

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