IM04SH2R7J

Q @ Freq:	33 @ 7.9MHz
Height - Seated (Max):	--
Size / Dimension:	0.155" Dia x 0.375" L (3.94mm x 9.53mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Features:	--
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	120MHz
Series:	IM
DC Resistance (DCR):	1.2 Ohm Max
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	385mA
Tolerance:	±5%
Inductance:	2.7µH
Material - Core:	Phenolic
Type:	Molded
Part Status:	Obsolete
Packaging:	--

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Introduction

Fixed inductors, also known as "fixed coils", are passive components whose primary function is to store energy in the form of a magnetic field. The IM04SH2R7J is a type of fixed inductor from TDK Corp, specifically designed for use in power lines of DC/DC converters. This component is designed to provide efficient and reliable power supply voltage conversion to a variety of power circuits.

Design and construction

The IM04SH2R7J is a symmetrical four-terminal component in an M4-H size package. Its construction consists primarily of a rectangular iron-powder core with rectangular metal bobbin. The core houses two cylindrical coils wound around it in opposite directions. The coils are made of high-temperature enameled copper wire. The construction is designed so as to minimize voltage drops and ensure bulk current capability. The housing is a moldable plastic shell that provides extra protection and insulation against environmental factors.

Application field and working principle

The IM04SH2R7J is primarily used in dc/dc converters, where its primary purpose is to reduce the output voltage from a higher source to a lower voltage for a given circuit. It works by storing energy in its magnetic field when electrical current flows through it in one direction. When the current flows in the opposite direction, the stored energy is released in the form of a lower voltage. This process helps to reduce the overall voltage level from the source while still delivering an efficient and reliable power supply.The IM04SH2R7J has found use in a wide variety of DC/DC power supplies, including laptop adapters, LED lights, and electric vehicles. It is also suitable for applications where lines with high current flow and power loss must be managed, such as renewable energy and energy storage systems.

Advantages

The IM04SH2R7J is designed to provide efficient and reliable voltage conversion. Its symmetrical design helps to reduce the voltage drops in all directions. Its construction also makes it highly resistant to shock and vibrations.The component is also designed to be low-noise, making it suitable for use in both industrial and medical applications. Its plastic shell helps to protect the coils from environmental factors, while still allowing for easy installation and mounting.

Conclusion

The IM04SH2R7J is a type of fixed inductor designed for use in DC/DC converters. Its symmetrical four-terminal design and plastic shell help to reduce voltage drops and provide efficient and reliable power supply to a variety of power circuits. Its resistance to shock and vibration, low-noise operation, and environmental protection make it highly suitable for industrial and medical applications.

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