2890-08K Allicdata Electronics
Allicdata Part #:

2890-08K-ND

Manufacturer Part#:

2890-08K

Price: $ 1.04
Product Category:

Inductors, Coils, Chokes

Manufacturer: API Delevan Inc.
Short Description: FIXED IND 3.3UH 1.19A 305 MOHM
More Detail: 3.3µH Unshielded Molded Inductor 1.19A 305 mOhm Ma...
DataSheet: 2890-08K datasheet2890-08K Datasheet/PDF
Quantity: 1000
1000 +: $ 0.95013
Stock 1000Can Ship Immediately
$ 1.04
Specifications
DC Resistance (DCR): 305 mOhm 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: 7.9MHz
Operating Temperature: -55°C ~ 125°C
Ratings: --
Frequency - Self Resonant: 100MHz
Q @ Freq: 60 @ 7.9MHz
Series: 2890
Shielding: Unshielded
Current - Saturation: --
Current Rating: 1.19A
Tolerance: ±10%
Inductance: 3.3µH
Material - Core: Phenolic
Type: Molded
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Fixed Inductors are a type of electrical component used to create and store static magnetic fields. They are predominately used in electronic circuits, particularly for filtering, and in power supplies for voltage regulation, current limitation, and protection from overload. The 2890-08K is a type of Fixed Inductor commonly found in a variety of applications.

The 2890-08K is a surface mount inductor that is particularly suitable for production lines in high-speed devices. It features a high power rating and provides a significant shielding ratio, with a highly effective air-core structure for quiet operation and minimal unwanted signals. This makes it suitable for applications such as DC-DC conversion, RF circuits, and output voltage control.

The 2890-08K has an operating temperature range of -40C to 125C, making it suitable for a variety of industrial and consumer electronics applications. It also includes a non-polarized snap-on design that ensures easy installation and maintains a reliable connection. The 2890-08K has up to 4.7µH of inductance, making it well-suited for a variety of circuit needs.

From a working principle standpoint, Inductors create a magnetic field when an electrical current passes through a coil. This magnetic field produces an opposing field which encourages the current to flow in a certain direction rather than follow the alternating path of the current source. This is the basic principle used in any inductor, including the 2890-08K.

The 2890-08K has the same functionality as any other inductor, however due to its size, shape, and other features, it is ideal for applications such as high-speed control, noise filtering, and output voltage control. Its inductance of 4.7µH is particularly useful for applications where there is a larger current and the 2890-08K can actually act as a “limit”, preventing the current from running too close to the components it is connected to.

In conclusion, the 2890-08K is a type of Fixed Inductor that is highly rated for its shielding ratio and quiet operation. It is suitable for applications such as DC-DC conversion, RF circuits, and output voltage control, and its up to 4.7µH of inductance makes it ideal for high-current situations. This particular type of Inductor uses the same basic working principle as any other, however it is better suited for certain applications due its size, shape, and other features.

The specific data is subject to PDF, and the above content is for reference

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