1812-274G

DC Resistance (DCR):	12 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:	4MHz
Q @ Freq:	40 @ 790kHz
Series:	1812
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	129mA
Tolerance:	±2%
Inductance:	270µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed inductors are key components in many technological designs and often find themselves as essential part of everyday electronics. This article will provide information about the specific type of fixed inductor, the 1812-274G, and explain its main application fields and principle of operation.The 1812-274G is, as the name suggests, a fixed inductor with dimensions of only 18mm 12.5mm and comes in a standard through-hole design. It is designed to work in environments with rapid or extreme temperature changes, making it an ideal choice for industries such as automotive and telecommunications, but also suitable for other temperature-sensitive industries. The coil is also lightweight and features a high packing density, minimizing assembly and installation time requirements.In terms of operation, the 1812-274G is able to store electric energy in a magnetic field, an occurrence known as induction. The way this works is by harnessing the magnetic properties of the coil - specifically, it stores and releases energy from one turn of the coil to the other. The amount of current stored is determined by the inductance, which is determined by the number of turns of the coil and the permeability of the material from which it is made.The main application fields of the 1812-274G are LED lighting, balanced current transformers, invertors, DC/DC converters, telecommunications equipment, and any other systems or devices that use electricity in varying amounts of intensity. The higher the voltage range, the greater the number of turns and the higher the inductance. This makes the 1812-274G an ideal solution for devices that operate at higher than normal power levels, such as inverts or transformers, where long-term current management is critical.In addition to its temperature-resistance properties, the 1812-274G is also highly efficient. It produces minimal EMI (electromagnetic interference) and its compact design could fit into tight spatial requirements. The fixed inductor is also known for its robustness, withstanding stress and vibration tests.The working principle of the 1812-274G is quite simple and efficient. It makes use of the essential properties of inductors, transferring electricity between two neighboring windings at a constant rate, creating a magnetic field that energizes the windings. This process is known as magnetic induction and is used to store energy in the winding for later use. The efficiency of the process is determined by the type of material used, the number of windings, and the size of the winding.Overall, the 1812-274G has a wide range of applications and is ideally suited for those looking for a reliable and efficient fixed inductor with long-term power manageability. The inductor’s robust design, high packing density, and temperature-resistant capabilities make it a great fit for industries involved in temperature-consistent operations, such as automotive and other telecommunications operations. Furthermore, its working principle makes efficient use of its magnetic properties to store and transfer energy, making it one of the ideal fixed inductor solutions available in the market.

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