MIL1331-821K

DC Resistance (DCR):	270 mOhm Max
Height - Seated (Max):	0.145" (3.68mm)
Size / Dimension:	0.325" L x 0.125" W (8.26mm x 3.18mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	25MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	165MHz
Q @ Freq:	38 @ 25MHz
Series:	MIL1331
Shielding:	Shielded
Current - Saturation:	405mA
Current Rating:	405mA
Tolerance:	±10%
Inductance:	820nH
Material - Core:	Iron
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed InductorsInductors are an indispensable part of any circuit, serving a variety of roles in a broad range of devices. They have the unique property of being able to store electrical energy in a magnetic field, allowing them to act as a kind of filter or storage reservoir for electric currents. The MIL1331-821K is an example of a fixed inductor, and it has a range of unique applications which make it ideal for certain circuit roles. In this article, we will discuss the basic principles of the inductor, as well as the specific features of the MIL1331-821K which make it a great choice for many designs.The basic principle of any inductor is the same; a coil of wire is wrapped around a core material which acts like a magnet, and when a current passes through the coil, it generates a small magnetic field. This field has a beneficial effect on the electrical current, such as increasing or regulating voltages, pushing or repulsing current off certain components, or more simply, creating an electrical barrier. The force of the magnetic field is determined by the shape of the core material, the number of turns in the coil, and the electrical frequency that runs through it.The MIL1331-821K is a medium-sized inductor, possessing an inductance value of between 0.10mH and 40mH. Its core material is a soft ferrite, which is a material that helps to reduce stray currents generated during operation, and the 46 AWG wire coil is double-enameled which allows the device to operate with very low electrical noise. The MIL1331-821K is the type of inductor you will find used in a vast range of electrical devices, from automobiles to computers and smartphones.One of the biggest advantages of the MIL1331-821K is its wide application range. Its inductance value creates a wide range of filter roles, from blocking unwanted connections to buffering the electrical frequencies to selectively passing specific currents or voltages. This makes it a great choice for projects dealing with RF signals, as they require precise frequency regulation which can be easily achieved with the right inductor.In addition, the MIL1331-821K is also well-suited to power supply designs thanks to its soft core material and double-enameled coil. This makes it a great choice for buffering power surges which can cause expensive damage if not addressed properly. The inductance value of 0.10mH to 40mH also allows it to filter AC frequencies quickly, which is essential for most power supply designs.Finally, the MIL1331-821K makes a great choice for audio applications. Its low electrical noise feature makes it ideal for buffering sound signals, allowing them to pass through with minimal distortion or distortion. This makes it an attractive choice for people wanting to create high-quality sound systems and applications.As we can see, the MIL1331-821K is a versatile fixed inductor which can be used in a range of applications from automotive to computer and audio devices. Its soft core material, double-enameled wire coil, and wide inductance range make it an excellent choice for buffering electrical signals, allowing current to flow where it needs to go, and filtering unwanted electrical noise. As such, it is an invaluable part of any circuit project.

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