1537R-46H

DC Resistance (DCR):	2.5 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.156" Dia x 0.375" L (3.96mm x 9.53mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	26MHz
Q @ Freq:	60 @ 2.5MHz
Series:	1537R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	202mA
Tolerance:	±3%
Inductance:	24µH
Material - Core:	Iron
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors are an important part of electromechanical components, they are widely used in electrical equipment. The 1537R-46H is a special type of fixed inductor, it is an epoxy resin sealed molded inductor. In this article, we will discuss the application field and working principle of the 1537R-46H.
The 1537R-46H is mainly used for switching power supply, DC-DC converter, DC-AC inverter, LED lighting, notebook computer and other electronic circuit over-current, over-temperature protection. It can also be used for mobile phone power supply and charger. The 1537R-46H fixed inductor is made of high-purity ferrite magnetic core and high-frequency inner wiring, which makes the inductance have good inductance, low temperature coefficient, low loss, high reliability and the characteristics of large rated current.
In general, the working principle of the 1537R-46H fixed inductor is based on the basic laws of electromagnetic induction. Electromagnetic induction refers to the phenomenon that when a conductor cuts the magnetic lines of force around it, electricity is induced in it. There are two winding coils in the 1537R-46H fixed inductor, which are wound on a ferrite core. When a current flows through one of the coils, a changing magnetic field is generated around the core. This magnetic field will generate an electric field in the conductor. And this electric field will generate a changed current in the conductor. At this time, the two coils of the fixed inductor will form an electromagnetic circuit, and the current will be symmetrically induced in the two coils, and the symmetry of the magnetic field will make the two currents equal.
The 1537R-46H fixed inductor is able to store energy in the form of a magnetic field. When the input current is constant, the magnetic field generated in the inductor is also in a state of constant growth. When the current stops or decreases, the magnetic field that has been established will collapse and generate a reverse voltage. This reverse voltage will be positive and the output voltage of the inductor will be higher than the input voltage, thus creating a "buffer" effect to limit the rate of change of the current passing through the inductor.
The 1537R-46H fixed inductor has many advantages, such as high-efficiency, high-power and high-precision, which make it an ideal choice for many applications. The high-efficiency makes the inductor more reliable and durable, and the high-precision ensures that the inductor can be used in accurately controlled systems. The high-power makes the inductor more suitable for applications that require a large amount of current. In addition, the 1537R-46H fixed inductor is easy to install, which helps to reduce costs and time in the installation process.

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