ER1025-87JM

DC Resistance (DCR):	60 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:	790kHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	4MHz
Q @ Freq:	30 @ 790kHz
Series:	ER1025
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	30mA
Tolerance:	±5%
Inductance:	620µH
Material - Core:	Ferrite
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ER1025-87JM Fixed Inductors Application Field and Working Principle

Fixed inductors are primarily used to store energy in an electric current, and are important components of power electronics, radio frequency (RF) equipment and power supplies. The ER1025-87JM is a fixed inductor designed for use in low voltage DC power circuits with an operating temperature range of -40°C to +85°C. This article will discuss the application field and working principle of the ER1025-87JM.The ER1025-87JM is a low-profile inductor with excellent frequency response and stability. It is suitable for use in a variety of low-voltage DC power circuits including switching power supplies, converters, power conditioners, boost regulators, PFC boosts, and buck converters. The inductor features a core material of high-permeability MnZn ferrite and has an ideal inductance range of 0.6-2.2 mH.The working principle of the ER1025-87JM fixed inductor is based on the fact that if a current-carrying conductor is surrounded by a closed loop of conductor, an opposing magnetic field is created. This opposing magnetic field has the effect of slowing down the current, causing energy to be stored in the form of magnetic energy.The ER1025-87JM is designed to be connected in series with a DC power source to store energy in the form of a magnetic field. This stored energy is then released as needed to maintain the power output of the circuit.The physical design of the ER1025-87JM is based on a toroidal core shape. This shape helps to keep the magnetic field confined to a single loop, which helps to maintain a more stable inductance value over time. Additionally, the inductance value of the ER1025-87JM is relatively low and remains nearly constant over a wide range of frequencies.The ER1025-87JM fixed inductor is designed to be highly efficient, with a power loss at operating temperature of 0.3W. The inductor is also constructed with an epoxy-coated finish to protect against moisture buildup and ESD.The ER1025-87JM is a low-profile fixed inductor that is ideal for a wide range of low-voltage DC power circuits. Its toroidal core shape helps to ensure stability and efficiency, while its low inductance value remains nearly constant over a wide range of frequencies. With a power loss at operating temperature of 0.3W, the ER1025-87JM is an excellent choice for applications requiring a reliable and efficient inductor.

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