S1210-391G

DC Resistance (DCR):	400 mOhm Max
Height - Seated (Max):	0.101" (2.57mm)
Size / Dimension:	0.138" L x 0.105" W (3.51mm x 2.66mm)
Supplier Device Package:	1210 (3225 Metric)
Package / Case:	1210 (3225 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	25MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	230MHz
Q @ Freq:	40 @ 25MHz
Series:	S1210
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	692mA
Tolerance:	±2%
Inductance:	390nH
Material - Core:	Iron
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors Applications and Working Principles

The S1210-391G is a type of fixed inductor specifically designed for applications in switching power supplies. This type of device is made of a conductive nichrome wire wound around a magnetic core and is used to create a magnetic field that stores and releases energy. In order to achieve this, the inductor must be designed to dissipate heat effectively; therefore, most S1210-391G inductors are shielded to provide extra protection from external influences like electromagnetic interference (EMI).The S1210-391G is designed for use in DC to AC power supplies, and is suitable for a variety of applications. These applications include AC-to-DC converters, adjustable voltage regulators, LED drivers, and high-efficiency applications requiring high power conversions such as solar inverters. Furthermore, the inductor can be used in battery charging systems, DC-DC converters, and telecommunication power supply systems.Various sizes of the S1210-391G are available, ranging in size from 8.0mm to 16mm in diameter. The inductance ranges from 1.2 mH to 33 mH and the maximum operating frequency is up to 1 MHz, depending on the size of the inductor. The rated current ranges from 4 A to 40 A and the DC resistance is low. In addition, the inductor is specifically designed to survive high temperatures, allowing it to function reliably in extreme environmental conditions. The working principle of the S1210-391G fixed inductor is based on Faraday’s law of induction. This law states that a changing magnetic field induces an electromotive force (EMF) in a wire. Using this principle, the S1210-391G is designed to store energy by creating a magnetic field in response to the current flowing through the wire. This magnetic field then reacts with the applied voltage, providing a current for a variety of load applications. In order to ensure optimal performance, a properly chosen inductor should have a sufficiently high inductance and a low DC resistance. This is because a higher inductance allows for more energy storage and a lower DC resistance means less energy is dissipated. Furthermore, when selecting an inductor, it is important to consider the operating frequency. This is because the size of the core affects the performance and the ability of the inductor to efficiently store energy and dissipate heat at higher frequencies.In conclusion, the S1210-391G fixed inductor is a widely used device due to its ability to store and release energy effectively. This type of device is designed for a number of applications and can be used in various types of switching power supplies. It is constructed from a conductive nichrome wire wound around a magnetic core and is designed to dissipate heat effectively. Additionally, the inductance, DC resistance, and rated current can be selected in order to match the required application. Finally, it is important to consider the operating frequency when selecting an inductor in order to ensure optimal performance.

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