HM66A-05303R3MLF13

DC Resistance (DCR):	34 mOhm Max
Height - Seated (Max):	0.118" (3.00mm)
Size / Dimension:	0.209" L x 0.209" W (5.30mm x 5.30mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	HM66A
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	2.36A
Tolerance:	±20%
Inductance:	3.3µH
Material - Core:	--
Type:	Wirewound
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Fixed Inductors – HM66A-05303R3MLF13 Application Field and Working Principle

Fixed inductors are essential components used in electrical circuits, power supplies and radio-frequency assemblies. The HM66A-05303R3MLF13 is a high performance fixed inductor, widely used for a variety of applications. This article discusses the application field and working principle of this inductor.

Applications

The HM66A-05303R3MLF13 fixed inductor is designed for use in the fields of automotive electronics, industrial motors, power converters, high-end audio systems, and consumer electronics. It is generally used in power converters, DC to DC converters, PFC regulators and frequency converters.The inductor features a low profile package, making it suitable for automotive applications. The permalloy core provides excellent saturation current characteristics, making it well-suited for high power applications. The operating temperature range is between -40 degree Celsius and +125 degree Celsius, which makes this inductor suitable for a wide range of applications.

Working Principle

An inductor works on the principle of electromagnetism which states that a current-carrying coil produces a magnetic field. The inductance of an inductor is the proportionality factor of voltage to current at any given frequency. Inductors generally comprise a core within a coil of wire and they can be subdivided into three categories depending on the core material.The HM66A-05303R3MLF13 inductor has a permalloy core and copper wire, connected in series. In this device, the core is surrounded by a coil which carries a current and produces a magnetic field around it. The current in the coil creates a force between the core and the coil, which in turn produces an inductance.The copper wires used in the construction of the core reduce the eddy current in the inductor, thereby increasing its efficiency and performance.

Conclusion

Fixed inductors are essential components used in a wide range of electronic applications. The HM66A-05303R3MLF13 inductor is a high performance, low profile multiplier which is designed for automotive electronics and frequency converters. It has a permalloy core and copper wires in series, which in combination, produce an inductance. The copper reduces eddy current in the inductor, thereby increasing its efficiency and performance.

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