RCH1216BNP-821K

DC Resistance (DCR):	880 mOhm Max
Height - Seated (Max):	0.630" (16.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-30°C ~ 100°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	RCH1216B
Shielding:	Unshielded
Current - Saturation:	1.14A
Current Rating:	750mA
Tolerance:	±10%
Inductance:	820µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors, also called fixed coils, are electronic components used to maximize inductance in an electrical circuit. RCH1216BNP-821K is an example of a fixed inductor that comes with a wide range of characteristics and features. In this article, we take a look at what they are, their application field and how they actually work.

What is a Fixed Inductor?

A fixed inductor is a passive electronic component that can store electrical energy in its magnetic field. This type of component is used in various electrical circuits because it can complete a variety of tasks. It is usually constructed from a loop of interlocking metal Wires or metal-cored sections with conductor surface Windings.

RCH1216BNP-821K Application Fields and Working Principle

The RCH1216BNP-821K is a fixed inductor made of a low-resistance semiconductor material and a ferrite core. This device is designed to provide high inductance and low resistivity in a limited space. It is excellent for use in RF, mobile and automotive applications. The RCH1216BNP-821K mainly applies to the inductive-load switching mode power supply and the buck-boost switching mode power supply, as well as the fly back switching mode power supply. With a high current and low resistance characteristic, this inductor can be used in several power converters, such as lighting, switching mode power supply, laptop, LCD TV and mobile charger.

Working Principle

In a circuit, the output voltage of an inductor is proportional to the rate of change of current through it. Stated simply, this means that as the current increases, the voltage will drop and vice versa. The fixed inductor, such as the RCH1216BNP-821K, is made of a semiconductor material and a ferrite core. The ferrite core acts as an opposing magnetic material around the semiconductor material, creating an inductive effect that helps the inductor produce its voltage output. As the current passes through the winding, it induces a voltage in the coil, creating a back-emf voltage to oppose the flow of the current. The magnitude of the voltage, which is measured as an inductance rating, is proportional to the rate of change of the current. The ferrite core of the RCH1216BNP-821K helps create an excellent inductance rating, making it great for energy conversion applications. In addition, the low resistance of the semiconductor material used in this device helps keep the conductor temperature lower during high frequency operation.

Conclusion

The RCH1216BNP-821K is a great example of a fixed inductor that comes with a wide range of characteristics and features. This inductor is designed for use in RF, mobile and automotive applications, providing a high inductance and low resistivity in a limited space. It is also excellent for use in power converters, such as lighting, switching mode power supply, laptop, LCD TV and mobile charger. The working principle of a fixed inductor, like the RCH1216BNP-821K, relies on the ferrite core to oppose the magnetic material surrounding the semiconductor material, creating an inductive effect that helps the inductor produce its voltage output. With its high current and low resistance characteristics, the RCH1216BNP-821K is an excellent choice for a wide range of energy conversion applications.

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