1812-684H

DC Resistance (DCR):	30 Ohm Max
Height - Seated (Max):	0.190" (4.83mm)
Size / Dimension:	0.126" L x 0.126" W (3.20mm x 3.20mm)
Supplier Device Package:	--
Package / Case:	2-SMD
Mounting Type:	Surface Mount
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	3MHz
Q @ Freq:	30 @ 790kHz
Series:	1812
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	82mA
Tolerance:	±3%
Inductance:	680µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: 1812-684H Application Field and Working PrincipleFixed inductors, also known as coils, are among the most widely used electronic components, with multiple applications. The 1812-684H is one of these common parts used in a variety of electronic applications. This paper will discuss the application field and working principle of the 1812-684H.The 1812-684H is an axial-lead top-hat inductor. It is used in a variety of applications, from audio components to industrial circuit boards. It has a wide frequency range of 1.2MHz to 3MHz, making it an ideal choice for a wide range of applications.The 1812-684H has a high current rating of 12 Amps and a maximum working voltage of 6.6 volts. It is often used in DC-DC converters and voltage regulators. It can also be used as a storage element in a switching power supply, providing efficient energy storage for output current.The 1812-684H has a small size and is able to fit in a narrow space, making it ideal for use in audio components and other tight spaces. This small size also allows it to handle higher currents without generating a lot of heat, making it great for controlling currents in switching power supplies.The working principle of the 1812-684H is based on the electromagnetic effects generated by the coil when it is energized by an electric current. When an electric current flows through the coil, the magnetic field created by the current induces eddy currents in the coil. These eddy currents generate a secondary magnetic field that opposes the main magnetic field generated by the current. This secondary magnetic field opposes the current, resulting in inductance.The 1812-684H takes advantage of this effect to store energy in the form of a magnetic field in the coil. When the electric current is removed, the energy stored in the magnetic field is released and converted into an electric current. This is why the 1812-684H is often used as a storage element in switching power supplies.In summary, the 1812-684H is a versatile, small-sized, axial-lead, top-hat inductor. It has a wide frequency range, a high current rating, and is great for use in audio components, DC-DC converters, voltage regulators, and other tight spaces. It is able to handle higher currents without generating a lot of heat. The primary function of the 1812-684H is to store energy in the form of a magnetic field in the coil and release it when the electric current is removed.

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