1210R-122H

DC Resistance (DCR):	750 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:	7.9MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	100MHz
Q @ Freq:	30 @ 7.9MHz
Series:	1210R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	497mA
Tolerance:	±3%
Inductance:	1.2µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

A fixed inductor is a metallic component used for various applications within a variety of electronic circuits, including telecommunication systems, power supplies, digital systems and others. The 1210R-122H inductor is a type of fixed inductor, which features a ceramic core and instead of a typical inductivity value.

Application Field and Working Principle

The 1210R-122H fixed inductor is used primarily in low-power regulated voltage power supplies, such as those used in consumer electronics and digital systems. It functions as an inductor in the electrical circuit, creating an inductive reactance that regulates the voltage, allowing a smoother transfer of power to the circuit. When electricity passes through this component, the associated magnetic fields create a current in the coil. This current opposes the original current that generated the field, resulting in a decrease in voltage. The device also acts like resistance, and the power dissipated through it is proportional to both the voltage drop and the current passing through the component. The inductance of an inductor is the amount of opposition the component shows to an alternating current. The inductor\'s inductance is usually measured in Henrys (H), which is equal to the amount of current produced in one ampere when the conductor is subjected to a magnetic field of one gauss per second. The reactance opposed by the inductor is proportional to the frequency, so higher frequencies require higher inductor values. The 1210R-122H fixed inductor is perfect for use in low-power regulated voltage supplies due to its low inductance value. It offers excellent heat dissipation, low leakage current and high RMS current cycling. Its ceramic core is ideal for use in high frequency circuits due to its self-resonant frequency capabilities. This inductor also features an extended solder joints for secure connection with the solder pads, eliminating the need for additional permanent bonding for applications in which vibration or thermal cycling are concerns. It is also a low-profile device, allowing it to be used in situations where space is at a premium. Overall, the 1210R-122H fixed inductor is an effective component that allows smooth transfer of power and regulated voltage in a variety of applications. With its low inductance value, excellent heat dissipation, low leakage current and extended solder terminals, it is ideal for use in high-frequency and low-power applications.

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