S1812R-103G

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Fixed inductors are passive electronic components that store energy in the form of magnetic field when an electric current is applied. They are widely used in many applications, including power management, telecommunications, medical electronics, and instrumentation. The S1812R-103G fixed inductor from Sumida is a high performance, low profile chip inductor that features an inductance tolerance of ±20% and an SRF range of 1000 MHz to 1700 MHz. This article will discuss the application field and working principle of the S1812R-103G.

The S1812R-103G fixed inductor can be used in a variety of applications, including high frequency power supplies, high frequency signal transmission, and antenna matching. The inductor has an operating temperature range of -55°C to +125°C and can operate in humidity up to 95%. It is also highly resistant to shock and vibration, making it an ideal choice for applications that require reliable performance in harsh environments. Additionally, the S1812R-103G has a low profile of 0.95 mm, making it suitable for applications where space is at a premium.

The S1812R-103G has a 0.95 mm × 0.75 mm × 0.75 mm footprint and is available in a 10-pin surface-mount package. The device has two leads, one for the connecting wire and the other for grounding. It is designed to have a nominal inductance value of 10 nH at an impedance of 1 MHz and operates at a temperature ranging from -55°C to +125°C. The device also offers an ±20% inductance tolerance, making it suitable for applications that require precise power management.

The working principle of the S1812R-103G fixed inductor is based on the principle of electromagnetic induction. When an electric current is applied to the leads, a magnetic flux is created around the inductor. This magnetic flux induces a voltage in the inductor, enabling the current to continue flowing and storing energy in the form of a magnetic field. As the current changes, the magnetic field is also altered, resulting in changes in the induced voltage. This is known as electromagnetic induction, which is the process by which a fixed inductor generates a magnetic field and stores energy.

In addition to energy storage, fixed inductors can also be used to filter noise and filter out high frequency signals. The S1812R-103G has an SRF range of 1000 MHz to 1700 MHz, which makes it ideal for applications that require high frequency noise filtering and signal filtering. The device also has a high Q factor, which is a measure of the filtering effectiveness of the inductor.

Overall, the S1812R-103G fixed inductor is a highly reliable and versatile device that is suitable for a wide range of application areas. It features a low profile of 0.95 mm, an operating temperature range of -55°C to +125°C, an SRF range of 1000 MHz to 1700 MHz, and an ±20% inductance tolerance. The device is designed to store energy in the form of a magnetic field and is used for filtering high frequency signals and noise. With its reliable performance and versatile features, the S1812R-103G is an excellent choice for applications that require precision power management.

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