SPD125R-273M

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Fixed Inductors

Inductors, or coils, are made up of two metal terminals that are wound together, forming either a spiral or a rectangular shape, depending on the inductor. Fixed inductors, also known as non-variable inductors, are a type of inductor whose inductance value is predetermined and fixed, meaning it cannot be altered. The fixed inductor SPD125R-273M is an important component when it comes to inductors and can be used for many applications.

SPD125R-273M application field

The SPD125R-273M is a 3.3uH ±30% fixed inductor that can be used in a number of applications, such as DC/DC converters, power filters and other switching power supply circuits. The SPD125R-273M features a low DCR, a low DC resistance of 0.51Ω, which is important for ensuring a low level of EMI and ESD. The inductor also has a wide operating temperature range of -55°C to +125°C, making it suitable for use in extreme environments. In addition, the compact size of the SPD125R-273M, 2.5x2.5x1.2mm, makes it ideal for high density device layouts and the inductor is compatible with both through-hole and surface mount technology.

SPD125R-273M working principle

The SPD125R-273M fixed inductor works on the principle of electromagnetic induction. When current passes through the two metal terminals, an electromagnetic field is created which in turn induces a voltage in the windings. This process is referred to as self-inductance. As the current passes through, the voltage begins to build up, creating an opposing effect which resists any kind of change. This is known as inductive reactance, and resistors will be added to control the amount of inductive reactance in a circuit. The SPD125R-273M is an ideal choice for circuits that require a stable level of inductive reactance, such as power filters.

In conclusion, the SPD125R-273M fixed inductor is an essential component for any circuit that needs a stable inductive reactance. The inductor is capable of withstanding extreme temperatures, can be used in high density layouts and features a low DCR. The SPD125R-273M is a great choice for applications such as DC/DC converters, power filters and other switching power supply circuits.

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