2890R-03J Allicdata Electronics
Allicdata Part #:

2890R-03J-ND

Manufacturer Part#:

2890R-03J

Price: $ 1.33
Product Category:

Inductors, Coils, Chokes

Manufacturer: API Delevan Inc.
Short Description: FIXED IND 1.8UH 1.7A 135 MOHM TH
More Detail: 1.8µH Unshielded Molded Inductor 1.7A 135 mOhm Max...
DataSheet: 2890R-03J datasheet2890R-03J Datasheet/PDF
Quantity: 1000
800 +: $ 1.21086
Stock 1000Can Ship Immediately
$ 1.33
Specifications
DC Resistance (DCR): 135 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: 140MHz
Q @ Freq: 60 @ 7.9MHz
Series: 2890R
Shielding: Unshielded
Current - Saturation: --
Current Rating: 1.7A
Tolerance: ±5%
Inductance: 1.8µH
Material - Core: Phenolic
Type: Molded
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Fixed inductors play an important role in various electrical circuits. The 2890R-03J is an inductor specifically designed for use in various electrical circuits ranging from AC/DC circuits, switching mode power supplies (SMPS) and industrial electronics. The 2890R-03J inductor operates on the concept of magnetics and is suitable for use in applications operating up to 100 kHz. Its excellent performance characteristics and reliability make it one of the most popular inductors in its class. In this article, we will discuss the application field and working principle of the 2890R-03J inductor.

The most significant use of the 2890R-03J inductor is in the field of AC/DC circuits. It is used by engineers to create efficient and reliable power supplies and to maintain stable line voltage. The inductor works on the principle of magnetics, which involves the use of a basic magnetic field. This electrical field consists of two poles – a north pole and a south pole. When a current is applied to the inductor, the magnetic field is created and the voltage is induced in the circuit. This voltage is used to power the electrical devices within the circuit.

The 2890R-03J also has applications in switching mode power supplies. In this application, the inductor is used in conjunction with diodes and voltage regulators to supply regulated and switched power to various electrical systems. A switching regulator works on the principle of converting input voltage to the desired output voltage. When a current is applied to the inductor, the magnetic field and inductor’s impedance can cause the input voltage to the switching regulator to fluctuate, making it difficult to maintain a constant voltage. The 2890R-03J inductor provides stability to the switching regulator, as it reduces the fluctuation of the input voltage, resulting in a stable output voltage.

The 2890R-03J inductor also has applications in industrial power supplies. An inductor is usually used in conjunction with a capacitor and transformer to form a commutation circuit. This type of circuit is used to control the power and current in the system. The inductor works on the principle of creating a magnetic field when current flows through it. The magnetic field created by the inductor helps to contain the current in the system, resulting in a smoother and more efficient operation.

The 2890R-03J inductor is an excellent choice for AC/DC circuits, switching mode power supplies and industrial power supplies, as it provides efficient and reliable performance. Its magnetic field helps to reduce fluctuations in input voltages, resulting in a better and more stable output voltage. In addition, its excellent performance characteristics and reliability make it a popular choice for engineers when it comes to selecting reliable inductors for their various electrical applications.

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

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