SPM4012T-3R3M Inductors, Coils, Chokes

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Fixed Inductors are among the most common components used in communications, electronic and embedded systems applications. They are also known as fixed-value, or permanent value, inductors because their value does not change over time.

The SP M4012T-3R3M fixed inductor is used widely in the design of circuits including audio and video applications, and consumer electronics such as personal computers and cell phones. This component is designed and manufactured to meet the needs of devices that require inductors with stable performance and low losses. It is mainly used in combination with matching capacitors to form a Low-Pass Filter (LPF) circuit by attenuating higher frequency signals.

The SP M4012T-3R3M fixed inductor consists of a circuit board with a patterned gold wire coil, or windings, of copper or fiberglass insulated with a polymer-based insulation sleeve. The circuit board includes a magnetic core made of ferrite material for a low-profile profile and a high permeability. On the board are two terminals connected to the wire coil, typically by soldering or welding. The two terminals are known as the primary side and the secondary side, which will be connected to the respective circuit terminals at the other end.

The construction of the fixed inductor is such that when an alternating current (AC) is applied to the primary terminal, it induces a voltage in the secondary terminal due to the magnetic field in the core. This voltage follows a sinusoidal waveform which amplifies the sine wave and replicates its shape. The output voltage of the inductor is known as inductive reactance and it is measured in ohms.

The SP M4012T-3R3M fixed inductor has a range of applications for high frequency devices. It is mainly used in power supply stages, low pass filter stages, or vibration filter stages. These inductors are also used in voltage step up or step down stages as well as for current limitation. The inductor can be used in wide range of electronic devices such as TV sets, LCD monitors, digital cameras and audio devices.

Furthermore, the fixed inductor is suitable for many radio frequency (RF) applications. It provides high-Q and low-capacitance performance at frequencies up to 3 GHz and is capable of supporting very small design form factors. As mentioned, they are used in the design of LPF circuits and in high-frequency switching regulators such as buck-boost converters. They are also used in wireless network and broadcasting applications.

In conclusion, the SP M4012T-3R3M fixed inductor is a highly reliable component commonly used in communications, electronic and embedded systems applications. It is an ideal component for providing inductive reactance in circuits and can be used in a wide range of applications including power supply stages, low pass filter stages and vibration filter stages. Moreover, the inductor can handle frequencies up to 3 GHz and is suitable for designing high-Q and low-capacitance circuits.

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