1945R-20F Allicdata Electronics
Allicdata Part #:

1945R-20F-ND

Manufacturer Part#:

1945R-20F

Price: $ 1.93
Product Category:

Inductors, Coils, Chokes

Manufacturer: API Delevan Inc.
Short Description: FIXED IND 100UH 220MA 5.78 OHM
More Detail: 100µH Unshielded Molded Inductor 220mA 5.78 Ohm Ax...
DataSheet: 1945R-20F datasheet1945R-20F Datasheet/PDF
Quantity: 1000
2500 +: $ 1.74205
Stock 1000Can Ship Immediately
$ 1.93
Specifications
DC Resistance (DCR): 5.78 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: 2.5MHz
Operating Temperature: -55°C ~ 125°C
Ratings: --
Frequency - Self Resonant: 8MHz
Q @ Freq: 75 @ 1.5MHz
Series: 1945R
Shielding: Unshielded
Current - Saturation: --
Current Rating: 220mA
Tolerance: ±1%
Inductance: 100µH
Material - Core: Iron
Type: Molded
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Fixed inductors are coils of wire wrapped around a core that are designed primarily to store energy. The 1945R-20F is a common fixed inductor with a host of applications that make it a popular choice for those looking to improve their circuit designs. This article is intended to explore the field of applications and working principles of the 1945R-20F.

The 1945R-20F is a type of fixed inductor with a combination of high inductance and low resistance. This makes it a great choice for numerous activities such as power supply filtering, pulsed-power systems, and spark gap protection circuits. Its ability to store energy and shift it along a desired current path make it a great choice for various applications such as switching power supplies, current limiting, and buck transformation. The 1945R-20F can also be used in signal line devices, automobile engine controls, and radio circuits. It can also be used for frequency control and signal modulation.

The 1945R-20F consists of 20 flat windings of copper wire with an inductance of 4.7 mH. The flat winding design allows the inductor to have a relatively low resistance, around 3.2 ohms, and an inductance factor of 18. This combination allows for high power dissipation, as well as frequency control and increased inductance. The inductor also has a wide range of working temperature limits that range from -50 to +50 degrees celsius. This wide temperature range allows the inductor to be used in environments with varying temperatures and can resist thermal shock.

The 1945R-20F works on the principle of Faraday\'s Law. When a varying electric charge is encountered across the inductor, there is an opposing force, or voltage, that is created. This voltage is known as back emf and causes the inductor\'s electric current to decrease. The amount of back emf created depends on how quickly the electric charge is changed, or how quickly the voltage is changing. The 1945R-20F is designed with a combination of high inductance and low resistance, allowing it to store energy for a short period of time before releasing it.

The 1945R-20F is a versatile fixed inductor with a wide variety of applications. Its combination of high inductance and low resistance make it a great choice for power supply filtering and spark gap protection circuits. It can also be used for pulsed-power systems, switching power supplies, current limiting, and buck transformation. The 1945R-20F also works on the principle of Faraday\'s law and can store energy for a short time before releasing it. This makes it a great option for those looking to improve their circuit designs and take advantage of its numerous benefits.

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

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