ER1537-29JP

DC Resistance (DCR):	320 mOhm 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:	60MHz
Q @ Freq:	45 @ 7.9MHz
Series:	ER1537
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	495mA
Tolerance:	±5%
Inductance:	5.1µH
Material - Core:	Iron
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors, also known as choke inductors, are passive electronic components that store energy in a magnetic field while allowing DC current to pass through them. They are widely used in applications ranging from Radio Frequency (RF) transmission and reception, switched-mode power supplies, telecommunications, motor control, and audio circuits. The ER1537-29JP is one such fixed inductor specifically designed for portable applications. In this article, we will discuss the application field and working principle of the ER1537-29JP.

Application Field of ER1537-29JP

The ER1537-29JP fixed inductor is designed for portable applications including cellular phones, PDAs, cordless microphones, and portable amplifiers. It is a high-inductance, low profile component that is small in size and weighs only 0.4 grams. In addition, it offers low core loss and a high level of resonance. It also features a dual-layer copper winding and a ferrite core for superior performance.Other features of the ER1537-29JP include low DC resistance down to 0.2Ω, a wide operating temperature range of -40℃ to +125℃, and a maximum current of 2.6A. It is also adhesive coated for better thermal dissipation and protection.

Operating Principle of ER1537-29JP

The ER1537-29JP fixed inductor follows the basic operating principle of all inductors, which is to store energy in a magnetic field. When a DC current is applied, a magnetic field is established, and a voltage is generated. This voltage is referred to as the back EMF (electromotive force).The ER1537-29JP has a dual-layer copper winding, which is the component responsible for the inductance of the component. The core of the component is a ferrite material, which has low losses and high saturation flux density. This allows the inductor to increase its magnetic field and store more energy.

Conclusion

In conclusion, the ER1537-29JP fixed inductor is a high-inductance, low profile component that is specifically designed for portable applications. It offers a wide range of features such as low DC resistance, a wide operating temperature range, and a high level of resonance. It follows the basic operating principle of all inductors which is to store energy in a magnetic field when a DC current is applied.

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