DC Resistance (DCR):	670 mOhm Max
Height - Seated (Max):	0.101" (2.57mm)
Size / Dimension:	0.128" L x 0.095" W (3.26mm x 2.41mm)
Supplier Device Package:	--
Package / Case:	2-SMD
Mounting Type:	Surface Mount
Inductance Frequency - Test:	25MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	140MHz
Q @ Freq:	30 @ 25MHz
Series:	1210R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	556mA
Tolerance:	±5%
Inductance:	820nH
Material - Core:	Iron
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors are a type of electrical and electronic component that stores energy in the form of magnetic flux. Fixed inductors, as the name implies, are a type of inductor that has a non-adjustable inductance. There are many types of fixed inductors available, with the 1210R-821J being one of the most popular and widely used.The 1210R-821J fixed inductor is a small surface-mount device (SMD) and is typically used in radio frequency (RF) and microwave applications. It has a 1210 size package and features a low profile package construction, high self-resonance, and low losses. As well as being used in RF applications, this type of inductor is also used in many other applications such as medical equipment, communications, cell phones, and embedded systems.The 1210R-821J fixed inductor is usually made up of a core material, such as powdered iron, ferrite, or a combination of both. The coil itself is wound around the core material and is then coated with a protective layer to ensure that the magnetic field generated by it does not interfere with other electronics nearby. The number of turns and the thickness of the coating determine the inductance of the inductor, which can range from 1uH ~10uH, depending on the application.The 1210R-821J fixed inductor works by storing energy in the form of a magnetic field. When a varying current, or AC signal, is passed through the inductor\'s coils it causes alternating magnetic fields to be created. This causes a voltage to be induced in the surrounding coil, creating a closed loop. As the strength of the current increases, so does the amount of energy stored in the magnetic field.This stored energy can be used to filter unwanted frequency components from a signal, tune circuits to a specific frequency, and help limit voltage spikes. It can also be used in the construction of transformers, where a high frequency AC signal can be converted into a lower frequency output.In summary, the 1210R-821J fixed inductor is an extremely popular device which is used in many different types of applications from radio and microwave to medical and embedded systems. This small and versatile component is used to store energy in the form of a magnetic field, and can be used to filter out unwanted signals, tune circuits, and construct transformers.

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