B78148T3101K

DC Resistance (DCR):	130 mOhm Max
Height - Seated (Max):	0.386" (9.80mm)
Size / Dimension:	0.130" Dia (3.30mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	25.2MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	600MHz
Q @ Freq:	40 @ 25.2MHz
Series:	MCC
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	1.12A
Tolerance:	±10%
Inductance:	100nH
Material - Core:	Ceramic
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

A fixed inductor, commonly known as just an inductor, is an electronic device that stores and releases electrical energy. It is composed of a coil of conducting material that is wound around a ferromagnetic core. It is commonly used in a variety of electrical and electronic circuits, from switched-mode power supplies to radio transmitters and receivers. The B78148T3101K is a popular fixed inductor designed for use in switching power supplies and other applications. This article will explore the application field and working principle of the B78148T3101K fixed inductor.

Application field

The B78148T3101K fixed inductor is designed for use in switched-mode power supplies (SMPS) and other applications that require a filtered power supply. It can provide a stable voltage output with minimal distortion, while maintaining a low level of emitted noise and electromagnetic interference (EMI).The device has an inductance of 10 uH and a resistance of 0.27 ohms, making it ideal for applications that require an increased current handling capacity. It is rated for currents up to 8 A and is designed to be able to withstand a maximum temperature of 125°C. The device is also well suited for use in high-frequency applications, due to its low internal losses and high operating frequency. It also has a slew rate of 25 ns, making it ideal for high-speed applications.

Working Principle

The working principle of the B78148T3101K fixed inductor is relatively simple. When an AC voltage is applied to its two terminals, a magnetic field is created within the inductor, causing the conductor to store the electrical energy in the form of a magnetic field.When the AC voltage is removed, the magnetic field collapses, releasing the stored energy which then flows back to the source. This energy is known as inductive reactance. The amount of reactance is determined by the inductance of the component, which can be altered by varying the coil\'s geometry, number of turns, and core material.

Conclusion

The B78148T3101K is a high-performance fixed inductor that is designed for use in switched-mode power supplies and other applications that require a filtered power supply. It has a wide range of features that make it ideal for high-frequency and high-speed applications, including an inductance of 10 uH, 0.27 ohm resistance and a maximum operating temperature of 125°C. It also has a low level of internal losses and a high operating frequency. The principle of operation of the B78148T3101K is simple; when an AC voltage is applied to it, a magnetic field is created that stores energy, and when that voltage is removed, the energy is released back to the source. Its inductance can be adjusted by varying the coil\'s geometry, number of turns, and core material.

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