DC Resistance (DCR):	3.6 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.095" Dia x 0.250" L (2.41mm x 6.35mm)
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:	22MHz
Q @ Freq:	45 @ 2.5MHz
Series:	ER1025
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	125mA
Tolerance:	±5%
Inductance:	36µH
Material - Core:	Ferrite
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ER1025-57JR Fixed Inductor

Introduction

ER1025-57JR fixed inductor is a commonly used electronic component, also known as a choke or coil, which is designed to maintain steady current flow with little or no resistance. This inductor is used in a wide range of applications, including radio frequency (RF) circuits, power conversion, power management, and other specialized fields. Further, these inductors can serve as high-temperature, low-profile, and ultra-low-inductance solutions in cases where heat dissipation requirements are especially stringent.

Application Field

ER1025-57JR fixed inductors feature high thermal resistance and sturdiness, which makes them suitable for a variety of electronic applications. Most of the time, ER1025-57JR inductors are used as standard coils for filtered power supplies, DC-DC converters, electronic ballasts, LED drivers, and voltage-controlled oscillators. Additionally, these inductors are often chosen as efficient solutions for implantable medical device applications and as noise and compensation filters in automotive systems.Another area where ER1025-57JR fixed inductors find their place is in the fields of telecommunication and data processing. Especially in data centers, the utilization of power lines can cause issues – but with the help of high-quality EER1025-57JR inductors, data centers and server rooms can reduce network noise and ensure data transmission accuracy.

Working Principle

Fixed inductors are inductors with a fixed inductance rating or a resistance that does not change when the current through the inductor changes. In the case of the ER1025-57JR induction, when a current flows through it, a magnetic field is set up around the inductor which, in turn, resists any attempt to alter its voltage or current. This resistance generates a voltage drop across the coil which is proportional to the rate of change of the current through the coil. The ratio of the voltage drop to the rate of current change is called the inductance of the coil. The shape of the coil plays an important role in the inductance of the coil in that it determines the way in which the magnetic field is distributed across the coil. The number of turns of the coil affects the inductance of the coil, with a higher number of turns resulting in a higher inductance. The magnetic field generated by the ER1025-57JR inductor has an effect on the current through the coil, in that it causes a decrease in the rate of current change as the increased magnetic field will cause a decrease in the rate of current change. The decreased rate of current change will cause the voltage across the coil to increase, thus causing an increased voltage drop across the coil. The stronger the magnetic field, the greater the voltage drop, which results in a higher inductance of the coil.

Conclusion

In summary, ER1025-57JR fixed inductors are suitable for various applications ranging from RF circuits and power management to medical device applications and automotive systems. These inductors are excellent for filtering power outlets and data servers, but their main characteristic is their high inductance. The high inductance is achieved through a strong magnetic field, which is formed due to the particular shape of the coil and the number of turns of that coil. Through its unique design, the ER1025-57JR fixed inductor can prove to be a useful tool for a wide variety of applications.

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