IMS05WDBH123K40

Q @ Freq:	36 @ 79kHz
Height - Seated (Max):	--
Size / Dimension:	0.164" Dia x 0.450" L (4.17mm x 11.43mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Features:	--
Inductance Frequency - Test:	79kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	300kHz
Series:	IMS-5WD-40
DC Resistance (DCR):	109 Ohm Max
Shielding:	Shielded
Current - Saturation:	14mA
Current Rating:	55mA
Tolerance:	±10%
Inductance:	12mH
Material - Core:	Ferrite
Type:	--
Part Status:	Obsolete
Packaging:	--

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Fixed inductors refer to the electronic component with a particular inductance value, also called an inductor, coil or choke. Inductors are one of the most widely used passive components in various electrical circuits, such as power supplies, signal processing, and telecommunication networks. It provides the inductance necessary to create an electromagnetic field to store energy and reduce noise. In this article, we will discuss the application field and working principle of a specific fixed inductor—IMS05WDBH123K40.


The IMS05WDBH123K40 is a fixed inductor from the manufacturer Würth Elektronik. It has a nominal inductance of 0.47 μH and a rated current of 0.93 A. It is a low-profile, surface mount part that measures 0.19 x 0.19 x 0.12 inches, perfect for fitting in very limited spaces. It also has a high temperature rating of 105°C, so it is suitable for high-temperature applications.

The IMS05WDBH123K40 is ideal for power line noise suppression, RF circuits, DC/DC converter circuits, and power conditioning. With its excellent shielding, high current ratings, and low leakage, it can be used to reduce the effect of noise from nearby devices in a wide variety of applications. For example, it is often used in cell phones, laptops, and other electronic devices to reduce the effect of electrical noise. In addition, it can also be used in switching power supplies, high-frequency DC/DC converters, and other power systems. Moreover, it is suitable for use in different environment, including residential, commercial, and industrial settings.


The working principle of the IMS05WDBH123K40 fixed inductor is simple and straightforward. It relies on the electromagnetic property of induction, whereby an electrical current flowing through a conductor creates an electromagnetic field around it. The inductor will then act as a sort of “magnet” to store energy in the form of the magnetic field. This property can be used to reduce the effect of noise from nearby devices that interfere with the normal operation of the circuit.

The IMS05WDBH123K40 inductor is a low-profile part, so it doesn’t require a large amount of space. This allows it to be used in areas where space is limited. The inductor also uses windings to increase its inductance, reducing noise from unwanted interference. The windings also increase the inductor’s current rating, allowing it to dissipate more energy and reduce noise further.

The IMS05WDBH123K40 inductor also has excellent shielding, which helps to reduce any interference from nearby devices. This means that it can be used in close proximity to cellular phones, laptops, and other electronic devices without any adverse effect. In addition, the inductor has a high temperature rating of 105°C, making it suitable for use in high-temperature applications such as power supplies and motor controls.


In conclusion, the IMS05WDBH123K40 fixed inductor from Würth Elektronik is an ideal part for any application requiring low-profile, high-current, and high-temperature inductors. It can be used in a variety of scenarios, including power line noise suppression, RF circuits, DC/DC converters, and power conditioning. Moreover, its excellent shielding properties make it suitable for use in close proximity to cellular phones and other electronic devices. The working principle of the IMS05WDBH123K40 is based on the electromagnetic property of induction. When a current passes through the windings, an electromagnetic field is created, allowing it to store energy and reduce noise.

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