1210R-821G

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:	±2%
Inductance:	820nH
Material - Core:	Iron
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors
Inductors are passive two-terminal electrical components which store energy in magnetic fields. Inductors resemble a coil of wire, and are classified as fixed or variable inductors based on the type of magnetic core material used. The 1210R-821G is an example of a fixed type inductor. This article looks at the application field and working principle of the 1210R-821G fixed inductor.

Application Field
The 1210R-821G fixed inductor is used primarily in consumer and commercial electronic products, such as cell phones, radios, and television sets. It is also used in other electronic products, such as computers, audio equipment, and medical devices. Generally speaking, the 1210R-821G is used anywhere where current needs to be regulated or shielded, such as in power supplies and signal processors.

Working Principle
The 1210R-821G fixed inductor works on the principle that when an alternating current passes through a coil, a magnetic field is created. This magnetic field stores the energy from the current, and it can be released when desired. When the current is removed, the magnetic field slowly fades, releasing the stored energy. The 1210R-821G inductor works by allowing the controlled release of the stored energy from the magnetic field. This controlled release of energy is used to regulate or shield currents in many different electronic products.

The 1210R-821G inductor is designed to be resistant to corrosion and electrical shock, and it can be used in a variety of temperatures. It is also designed to have a long lifespan, with no need for maintenance or adjustments. It is an efficient and reliable inductor, making it an ideal choice for many different applications.

Conclusion
The 1210R-821G fixed inductor is a reliable and efficient device for controlling and shielding currents in various electronic products. It is designed to be resistant to corrosion and electrical shock, and it can be used in a variety of temperatures. This makes it ideal for a range of application fields, such as cell phones, radios, televisions, computers, audio equipment, and medical devices. Understanding the application field and working principle of the 1210R-821G fixed inductor gives you a better insight into this type of inductor and how it can be used to improve the performance of electronic devices.

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