DC Resistance (DCR):	92.5 mOhm
Height - Seated (Max):	0.171" (4.35mm)
Size / Dimension:	0.299" L x 0.299" W (7.60mm x 7.60mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	DR
Shielding:	Shielded
Current - Saturation:	2.13A
Current Rating:	1.75A
Tolerance:	±20%
Inductance:	22µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed Inductors

Fixed inductors (also known as chokes, reactors, and coils) are passive electronic components that contain a coil of conductor and are commonly used in electrical circuits to store magnetic energy. They have a wide range of applications and offer various benefits. One such type of fixed inductor is the DR74-220-R. This article will explore the applications and working principles of the DR74-220-R.The DR74-220-R is a type of fixed inductor designed for use in high frequency circuits. It has a wide range of operating frequencies, from 100 kHz to 1 Ghz. This type of inductor has a flat topology design, meaning it is highly suitable for use in a variety of applications, including RF amplifiers, power supplies, AC/DC converters, and switch-mode power supplies.The DR74-220-R is engineered with a ferrite core and a copper winding, giving it a high inductance and low resistance. This makes it ideal for high frequency, low noise applications. The DR74-220-R is also designed with a flat topology, making it easier to install and reduce the impact of interference.The DR74-220-R is a highly reliable and robust inductor, capable of withstanding a wide range of environmental conditions including high vibration and high temperatures. This makes it an ideal choice for automotive applications, such as ECUs (Engine Control Units), body electronics, and airbags.The DR74-220-R inductor operates on the principle of magnetic induction, wherein an alternating current passing through a copper winding generates a magnetic field, resulting in an opposing electro-magnetic field. This opposing force creates a voltage in the winding, which is then transferred to the output of the inductor. The DR74-220-R also has a high self-resonant frequency, meaning it can be used in high switching frequency applications such as switched-mode power supplies.Overall, the DR74-220-R is a robust and reliable inductor, designed for high frequency, low noise applications. It is ideal for automotive and power supply applications due to its flat topology and robust construction. The DR74-220-R operates on the principle of magnetic induction, allowing it to transfer voltage from the winding to the output of the inductor. It has a high self-resonant frequency, making it suitable for high switching frequency applications.

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