1945R-34G Allicdata Electronics
Allicdata Part #:

1945R-34G-ND

Manufacturer Part#:

1945R-34G

Price: $ 1.37
Product Category:

Inductors, Coils, Chokes

Manufacturer: API Delevan Inc.
Short Description: FIXED IND 620UH 120MA 12.5 OHM
More Detail: 620µH Unshielded Molded Inductor 120mA 12.5 Ohm Ax...
DataSheet: 1945R-34G datasheet1945R-34G Datasheet/PDF
Quantity: 1000
2500 +: $ 1.24419
Stock 1000Can Ship Immediately
$ 1.37
Specifications
DC Resistance (DCR): 12.5 Ohm
Height - Seated (Max): --
Size / Dimension: 0.193" Dia x 0.447" L (4.90mm x 11.35mm)
Supplier Device Package: --
Package / Case: Axial
Mounting Type: Through Hole
Inductance Frequency - Test: 790kHz
Operating Temperature: -55°C ~ 125°C
Ratings: --
Frequency - Self Resonant: 2.8MHz
Q @ Freq: 60 @ 790kHz
Series: 1945R
Shielding: Unshielded
Current - Saturation: --
Current Rating: 120mA
Tolerance: ±2%
Inductance: 620µH
Material - Core: Iron
Type: Molded
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Fixed inductors, also known as coils, are one of the simplest and widely used components in electronic circuits, particularly in the field of power electronics. The 1945R-34G is a type of fixed inductor developed in 1945, and continues to be a popular choice for many electronics applications. This article will discuss the application field and working principle of the 1945R-34G.

Application of the 1945R-34G

The 1945R-34G fixed inductor is typically used in AC-DC power supply applications, such as those found in entertainment electronics, lighting, and other consumer products. It is also used in various automotive and aviation applications, including power trains, audio systems, and communication systems. In addition, it is suitable for use in medical and telecom equipment, providing better efficiency and reliability.

This type of inductor is particularly popular among designers due to its high impedance and low DC resistances, making it optimal for many power applications. Furthermore, the 1945R-34G fixed inductor has a wide range of operating temperature, allowing it to be used in a wide array of environments.

Working Principle of the 1945R-34G

The 1945R-34G fixed inductor is based on the principle of induction. This type of component works by creating a magnetic field when an electric current passes through it, storing energy in a magnetic field. The inductor works by creating a counter-electromotive force to the flow of current as it passes through the coil, inducing an opposing voltage. This opposition causes the current to lag behind the voltage waveform, creating a 90 degree difference in phase between the two.

In order to adjust the application\'s inductance, the turns of wire inside the inductor can be varied. Higher winding turns result in more magnetic field lines per turn, increasing the inductance value and reducing the current. Conversely, lower winding turns produce fewer field lines per turns, causing the inductance to be lower and the current to be higher.

Conclusion

The 1945R-34G fixed inductor is an incredibly useful and versatile component, and thanks to its high impedance and low DC resistances, it remains a popular choice for designers today. As discussed, the 1945R-34G is commonly used in AC-DC power supply applications, such as those found in consumer electronics, medical, telecom, and automotive/aviation systems. It also has the ability to adjust its inductance values through the number of winding turns, allowing for flexibility.

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

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