NLV32T-121J-PFD

Series:	NLV-PFD
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Type:	Wirewound
Material - Core:	Ferrite
Inductance:	120µH
Tolerance:	±5%
Current Rating:	70mA
Current - Saturation:	--
Shielding:	Unshielded
DC Resistance (DCR):	11 Ohm Max
Q @ Freq:	20 @ 796kHz
Frequency - Self Resonant:	10MHz
Ratings:	AEC-Q200
Operating Temperature:	-40°C ~ 105°C
Inductance Frequency - Test:	796kHz
Mounting Type:	Surface Mount
Package / Case:	1210 (3225 Metric)
Supplier Device Package:	1210 (3225 Metric)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max):	0.094" (2.40mm)

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Introduction

Fixed inductors, also known as chokes, are inductors that are designed to provide a specific inductance value, which can be used in various filtering and damping applications. Commonly, fixed inductors can be divided into two types: air-core inductors and ferrite-core inductors. The air-core inductors are constructed of coiled magnet wire, and the ferrite-core inductors utilize ferrite to replace the air in the core of the inductor.The NLV32T-121J-PFD fixed inductor is a ferrite-core type that is primarily designed for the automotive market, because this inductor provides a high saturation current, with a high inductance value, as well as a low profile for space-sensitive applications. In this article, the application field and working principle of the NLV32T-121J-PFD fixed inductor will be discussed.

Application Fields

The NLV32T-121J-PFD fixed inductor is designed for high current automotive applications, such as in dc-dc converters, alternator control circuits, buck and boost regulators, polarity reversal, and as snubber inductors.The NLV32T-121J-PFD inductor has a high saturation current of 8 A, which can handle the high currents found in automotive applications. The inductor also has a low profile and a relatively high inductance value of 122 uH, which makes it suitable for automotive applications that require a high inductance, but also have space limitations.Due to its wide temperature range, the NLV32T-121J-PFD inductor can also be used in industrial applications that require a high degree of stability and reliability. Its extended temperature range also makes it suitable for applications running at high temperatures.

Working Principle

The NLV32T-121J-PFD fixed inductor is composed of a ferrite core with two coils of copper wire wrapped around it. The windings have a high turn-to-turn insulation coefficient, which makes it resistant to spikes, as well as to prevent shorts.The inductor behaves as a coil of wire when a current passes through it, which induces a magnetic field. This magnetic field in turn induces an EMF into the windings, which is proportional to the rate of change of the current. This allows the inductor to limit the rate of change of the current, and therefore, can be used to provide a damping effect.The inductance value of the NLV32T-121J-PFD fixed inductor is relatively high, which allows it to provide a higher degree of filtering and damping, as compared to other inductors with a lower inductance value. This makes it an ideal choice for automotive applications, where electric noise and crosstalk can be an issue.

Conclusion

The NLV32T-121J-PFD fixed inductor is a ferrite-core type design, primarily designed for the automotive market, but can also be used in various industrial applications. The inductor has a high saturation current, a high inductance value, and a low profile, which makes it suitable for space-sensitive applications. It is also suitable for high temperatures thanks to its extended temperature range.The NLV32T-121J-PFD fixed inductor works by limiting the rate of change of current, which can be used to provide filtering and damping effects. The relatively high inductance value of the inductor allows it to provide a higher degree of filtering and damping as compared to other inductors with a lower inductance value. This, combined with its high saturation current and low profile, makes it a good choice for automotive applications.

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