2890-38K

DC Resistance (DCR):	1.15 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.280" Dia x 0.900" L (7.11mm x 22.86mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	14MHz
Q @ Freq:	65 @ 2.5MHz
Series:	2890
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	410mA
Tolerance:	±10%
Inductance:	56µH
Material - Core:	Iron
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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2890-38K Fixed Inductors: Application Field and Working Principle

Fixed inductors are a type of electronic component that are used in circuitry to store energy in the form of electromagnetic fields. A fixed inductor is typically made of coils of wire that are wrapped around a magnetic core, such as iron, and are connected to an electrical circuit. The current flowing through the inductor produces a magnetic field, and this field stores energy proportionate to the strength of the current. The strength of the field is determined by the number of coils and the size of the magnetic core. Fixed inductors are used in a wide variety of applications, from audio systems to switching power supplies, and they are found in almost every type of electronic device.

The 2890-38K is a fixed inductor that is widely used in circuit design due to its versatility. It is commonly used in high current applications, such as power supplies and high frequency circuit designs, due to its high power rating. The 2890-38K has a ferrite core, which results in a higher inductance and a lower saturation current. The inductor has a very low ESR (Equivalent Series Resistance), which makes it suitable for high frequency operations, resulting in high power efficiency.

The working principle of the 2890-38K is based on Faraday’s Law of Induction, which states that when an electrical current passes through a coil of wire, a magnetic field is created. This magnetic field will induce a current in the coil in the opposite direction to the original current. This opposing current is called an induced current and it can be used to either store or release energy. In the case of the 2890-38K, the inductor collects this energy and stores it in the magnetic field it produces. When the current is switched off, the stored energy is then released back into the circuit.

The 2890-38K fixed inductor is primarily used in switching power supplies, power management circuits, and high frequency switching applications. It has a wide operating temperature range of -40 °C to 85 °C, making it suitable for various applications. Additionally, it has a high reliability rating, with a rated lifetime of 1000 hours at 25 °C. This makes it a reliable component for use in high-power and long-term projects.

The 2890-38K fixed inductor is a versatile and reliable component that is widely used in high-power, high-frequency, and power management circuitry. It is an ideal choice for applications where high power ratings and high efficiency are desired. The inductor works by storing energy in a magnetic field when current is passed through it, and releasing this energy back into the circuit when the current is switched off. This makes it ideal for use in switching power supplies and power management applications.

In conclusion, the 2890-38K fixed inductor is a widely used and reliable electronic component. It is a versatile inductor that is designed for use in high-power and high-frequency circuits, where a high power rating and high efficiency are desired. The inductor works by storing energy in a magnetic field, and releasing this energy back into the circuit when the current is switched off. It is an ideal choice for switching power supplies and power management applications and has a long-term reliability rating.

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