78F1R2K

DC Resistance (DCR):	180 mOhm Max
Height - Seated (Max):	--
Size / Dimension:	0.110" Dia x 0.280" L (2.79mm x 7.11mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	165MHz
Q @ Freq:	40 @ 7.9MHz
Series:	78F
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	590mA
Tolerance:	±10%
Inductance:	1.2µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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Introduction

Fixed inductors are electronic components used in a wide variety of applications and devices. They are designed to store and control electrical current. They are usually composed of two components: a coil and a ferro-magnetic core. 78F1R2K is a type of fixed inductor.

Application Fields

78F1R2K fixed inductors are used to provide a reactance for high-frequency circuits. It is suitable for multiple-frequency range where different reactances are required. This type of inductor has good high-frequency characteristics and its electrical quality ensures good performance in many fields.It can be used for surge protection in home and office electronic devices, such as computers, DVD players, and televisions. It is also suitable for high-frequency isolated transformers, logic circuits, high-frequency amplifiers, and switching power supplies.

Working Principle

The working principle of a 78F1R2K fixed inductor is based on the principles of electromagnetism. A 78F1R2K fixed inductor is made of a coil wrapped around a ferro-magnetic core. When an AC current is passed through the coil, the changing magnetic field within the coil generates an induced current. This induced current produces an electromagnetic field, which interacts with the coil and generates a reverse current. This reverse current opposes the original AC current. The amount of opposition to the current, or reactance, depends on the inductance of the coil.

Conclusion

78F1R2K fixed inductors are useful components for a variety of electronic applications. They are capable of providing excellent reactance for high-frequency circuits, and can be used in multiple-frequency ranges where different reactances are required. They are also suited for use in applications such as surge protection, high-frequency isolated transformers, and logic circuits.

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