PL9401NL

DC Resistance (DCR):	4.4 mOhm Max
Height - Seated (Max):	0.132" (3.35mm)
Size / Dimension:	0.410" L x 0.410" W (10.41mm x 10.41mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Features:	--
Operating Temperature:	-55°C ~ 130°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	PL94XX
Shielding:	Shielded
Current - Saturation:	7A
Current Rating:	7A
Tolerance:	±30%
Inductance:	680nH
Material - Core:	--
Type:	--
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors

Inductors are electronic components designed to store energy in the form of magnetic or electrical fields. They are the most common type of passive device used to produce electrical power in a wide variety of applications. A fixed inductor is an inductor which utilizes a permanent magnetic field and is designed to stay in a fixed position, creating a specific electrical design. One such fixed inductor is the PL9401NL.

PL9401NL Application Field

The PL9401NL is a high performance, miniaturized, air-cored fixed inductor of excellent quality and reliability, suitable for a variety of industrial and consumer applications. It features a wide operating frequency range of 10kHz to 1MHz, a high temperature rating of 150°C, and a low profile of 2.07mm. Common applications for the PL9401NL include circuit protection, anti-noise technology, LED light, and battery back-up applications. It is also ideal for use in high efficiency switching power supplies, LCD TVs, and other low-voltage integrated circuits. Furthermore, because of its low temperature coefficient, the PL9401NL can be used in temperature sensitive applications such as medical devices.

PL9401NL Working Principle

The PL9401NL utilizes a permanent magnetic field to produce a fixed inductance value which will not change with frequency or temperature. The core of the inductor consists of two magnetic poles which align with each other to create a magnetic field. The inductance value of the inductor is determined by the size and shape of the core, as well as the number of turns in the winding. To reduce the core size and the form factor of the inductor, the PL9401NL uses a multilayer construction which consists of a ferrite core and a winded magnet wire. The magnet wire is wound around the core in multiple layers, with each layer connected to the next via copper tabs. This allows for a small, high performance inductor while still maintaining a high inductance value. The inductor also utilizes a magnetic shield to reduce the effect of external magnetic fields, providing a more stable inductance performance. Furthermore, due to the inductor being air-cored, it is unaffected by hysteresis and other temperature variations. This helps to ensure that the inductor does not suffer any performance degradation over extended periods of time.

Conclusion

The PL9401NL provides a high performance, miniaturized, air-cored fixed inductor solution for a variety of industrial and consumer applications. Its high temperature rating, low profile, and wide operating frequency range make it ideal for use in low-voltage integrated circuits and other temperature sensitive applications. Moreover, its small size and form factor, combined with its multilayer construction, provide a high inductance value in a small package. The PL9401NL’s magnetic shield further ensures a more stable inductance performance and is therefore a great choice for reliable and consistent inductive components.

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