1210R-182J Inductors, Coils, Chokes

DC Resistance (DCR):	900 mOhm Max
Height - Seated (Max):	0.101" (2.57mm)
Size / Dimension:	0.128" L x 0.095" W (3.25mm x 2.42mm)
Supplier Device Package:	1210
Package / Case:	1210 (3225 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	75MHz
Q @ Freq:	30 @ 7.9MHz
Series:	1210R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	454mA
Tolerance:	±5%
Inductance:	1.8µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionFixed inductors are widely used in all sorts of electronic circuits and applications. The 1210R-182J is an example of a fixed inductor specifically designed for RF and high frequency applications. The 1210R-182J is inscribed on a top-mounted ceramic substrate, and features a copper wire base and a nickel-plated layer for additional insulation. The inductor also includes a ferrite shell for capacitive coupling, a copper coil, and a hermetic seal for protection from external influences.ApplicationThe 1210R-182J is most commonly used in high-frequency applications, such as those used in consumer electronics, telecommunications, medical devices, and aerospace applications. It can be used as a component for both analog and digital circuits, and its small size and low form factor make it particularly suitable for portable and miniature designs.In addition to being suitable for high-frequency uses, the 1210R-182J has high operating temperature capabilities and is highly resistant to damage from shock and vibration. This makes the inductor suitable for use in military and aerospace applications where extreme conditions may be encountered.Working PrincipleThe 1210R-182J functions as an inductor by storing energy in a magnetic field when a current flows through it. The inductor is made of a few different components which influence its properties. The inductor consists of the core, the coil, a capacitor, and possibly a ferrite shell.The core is usually made out of ferrite and is used to increase the inductor’s inductance. The coil is where the current flows and is made up of copper wire. When the current passes through the coil, it creates a magnetic field which is stored in the core. The capacitor is used to provide a low-impedance path to the coil and helps to prevent the inductor from resonating. The ferrite shell is used to reduce the effects of capacitive coupling and to reduce the effects of moisture and corrosion over time.ConclusionThe 1210R-182J is a fixed inductor designed for high-frequency applications. It is a small and lightweight inductor, making it suitable for use in portable and miniature designs. The 1210R-182J also has high operating temperature capabilities and is highly resistant to damage from shock and vibration, making it suitable for use in harsh environments. The inductor\'s components—core, coil, capacitor, and ferrite shell—all contribute together to create an inductive circuit with a high inductance and low impedance.

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