LHL13TB471K

DC Resistance (DCR):	430 mOhm Max
Height - Seated (Max):	0.669" (17.00mm)
Size / Dimension:	0.551" Dia (14.00mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	796kHz
Operating Temperature:	-25°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	1.5MHz
Q @ Freq:	30 @ 796kHz
Series:	LH, L Type
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	900mA
Tolerance:	±10%
Inductance:	470µH
Material - Core:	Ferrite
Type:	--
Part Status:	Not For New Designs
Packaging:	Tape & Box (TB)

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Fixed Inductors Introduction

Fixed inductors, also known as chokes, are two-terminal electrical inductors used to provide a known reactance in an electronic circuit. An inductor stores energy in the form of a magnetic field in its core. With a DC current applied, it creates a physical resistance, which in turn causes a drop in voltage, thereby regulating the current flow. Typically, these inductors are used in electronic circuits for filtering, matching, buffering and chocking, as well as for creating a known impedance.

LHL13TB471K

The fixed inductor LHL13TB471K is specifically designed for high-performance, low-profile switching power supplies. Its features a high working frequency range and high-saturation current. The two-terminal inductor uses a shielded construction and is designed for low DCR and high current capacity, making it one of the most popular inductor types on the market today.

LHL13TB471K Application Field

The fixed inductor LHL13TB471K is most commonly used in switching power supplies, specifically for voltage conversion and current regulation. The device is designed to optimize energy efficiency while extending product life due to low losses. This makes it an ideal choice for a variety of switching power supplies like PCs, laptops, and automobile electronics. It is also used for filter medium frequency circuits, high current circuits, and power converters.

LHL13TB471K Working Principle

When AC current is applied to the two-terminal fixed inductor, a magnetic field is generated around its center. This causes a drop in voltage, which in turn controls the current passing through the terminals. As the device is highly magnetically saturated, it effectively reduces the input voltage, while making it possible to generate a high frequency output with even lower loss. In addition, its shielded construction makes it highly resistant to environmental conditions, such as noise and change in temperatures.

Conclusion

The two-terminal fixed inductor LHL13TB471K is one of the most popular inductor types on the market today. Its high-performance, low-profile design makes it an ideal choice for a variety of switching power supplies. The device is designed to optimise energy efficiency while extending the product life due to low losses. When connected to an AC current, the LHL13TB471K creates a magnetic field that causes a drop in voltage and ultimately controls the current passing through the terminals.

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