IM02ST2R2J

Q @ Freq:	30 @ 7.9MHz
Height - Seated (Max):	--
Size / Dimension:	0.095" Dia x 0.250" L (2.42mm x 6.35mm)
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:	115MHz
Series:	IM
DC Resistance (DCR):	400 mOhm Max
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	395mA
Tolerance:	±5%
Inductance:	2.2µH
Material - Core:	Iron
Type:	Molded
Part Status:	Obsolete
Packaging:	--

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Introduction

Fixed inductors IM02ST2R2J are an important component in the field of electronics engineering. Sometimes referred to as coil, fixed inductors are used in many electrical systems to store and transmit energy. In order to understand the application field and working principle of IM02ST2R2J, this paper details their application field, working principle, design and basic characteristics.

Application Field

IM02ST2R2J is a type of fixed inductor suitable for use in DC-DC converters, low as well as high voltage applications, and ac-dc converters. Due to its ability to store and transmit energy, it is widely used in power electronics devices such as SMPS, UPS, EDGs, and etc. It is also suitable for use in low-disturbance, high-frequency circuits and applications like SMD power inductors, high speed two-stage inductors, high current inductors, current sensors, inrush current limiters, RFID Systems, and etc.

Working Principle

A fixed inductor IM02ST2R2J is a passive electrical component that stores and transports energy from one electrical circuit to another. In other words, the energy taken from one circuit is released and transferred to another circuit. Its working principle is based on a law of physics known as Faraday\'s Law of Induction. The law states that when an electrical conductor is exposed to a changing magnetic field, a circulating electric field will be generated in the conductor. In a fixed inductor, this effect will cause the energy stored to be released to another circuit.

Design

IM02ST2R2J fixed inductors are designed with an air core, meaning that they do not have a magnetic core like other inductors. This makes them lighter and more compact than their core-based counterparts. The coil is wound using oxygen-free copper (OFC) windings and an insulated coating to protect the wires from corrosion.

Basic Characteristics

IM02ST2R2J fixed inductors are available in standard sizes, ranging from 2 μH to 4.7 μH, with an inductance tolerance of +10%/-10%. They have an inductance tolerance of +5%, a low profile of only 2.2 mm, a very small DCR of 8 mΩ, and a Q factor of 18.5. The rated peak current is 11.2 A and the operating temperature range is -40°C to 85°C.

Conclusion

In conclusion, IM02ST2R2J fixed inductors are an important component in the field of electronics engineering. The application field and working principle of this component are based on Faraday\'s Law of Induction, and the design is based on an air core structure. IM02ST2R2J has some basic characteristics including a low profile, inductance tolerance of +5%, DCR of 8 mΩ and a peak current of 11.2 A.

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