MILS1812R-684K

DC Resistance (DCR):	32 Ohm Max
Height - Seated (Max):	0.134" (3.40mm)
Size / Dimension:	0.189" L x 0.134" W (4.80mm x 3.40mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	2.6MHz
Q @ Freq:	40 @ 790kHz
Series:	MILS1812R
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	79mA
Tolerance:	±10%
Inductance:	680µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed inductors are electrical components used to introduce inductance into a circuit. They come in a variety of shapes and sizes and are distinguished by their inductance, the amount of current and voltage they can handle, and their capacitor characteristics. One of the most commonly used fixed inductors is the MILS1812R-684K, which is often used in telecommunications, automotive, and consumer electronics applications.
The MILS1812R-684K is a high-current, high-frequency inductor, with a maximum DC current rating of 22 amps and a frequency range of 0.6 to 5.0 Mhz. It has a low inductance value — 84 nH (nanohenries) — making it suitable for applications that require high switching speeds. It also has a low profiles, at just 2.9 mm in height.
The advantages of the MILS1812R-684K are numerous. It has a high Q factor (the ratio of inductance to resistance) of greater than 250, meaning it can handle large amounts of current without significant power losses. It has a high self-resonance frequency of over 6 GHz, which makes it suitable for high-frequency applications. And it has a high saturation current, which means it can handle large inrush currents — such as those generated during a power-on surge — without damaging the device.
In addition to the MILS1812R-684K\'s physical characteristics, its working principle is of great importance. The device works by creating a magnetic field as a magnetized current passes through it. This field opposes the flow of any current in the opposite direction and effectively reduces it — this is known as inductive reactance.
By controlling the number of turns of the coil, the inductor\'s reactance can be adjusted. The greater the number of turns, the greater the reactance. In the case of the MILS1812R-684K, the reactance can be adjusted quite easily by adding or removing turns from the coil.
There are a wide variety of applications for the MILS1812R-684K, including DC-DC converters, DC-AC inverters, power supply circuits, and RF circuits. In DC-DC converters, it is used to reduce electrical noise, increase switching speed, and improve system efficiency. In DC-AC inverters, it is used to reduce voltage ripple and improve power factor. In power supply circuits, it is used to increase efficiency and reduce switching losses. And in RF circuits, it is used to reduce digital noise and improve signal clarity.
The MILS1812R-684K is just one of many fixed inductors on the market today. It is a versatile, high-performance device that can be used in a variety of applications. It is easy to adjust and can handle large amounts of current without damaging the device. The MILS1812R-684K is an ideal choice for any application where inductance is needed.

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