DC Resistance (DCR):	27.2 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.156" Dia x 0.375" L (3.96mm x 9.53mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	3.1MHz
Q @ Freq:	65 @ 790kHz
Series:	1638R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	91mA
Tolerance:	±5%
Inductance:	680µH
Material - Core:	Iron
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: 1638R-20J Application Field and Working Principle

Inductors are passive electronic components that store energy in the form of a magnetic field. A fixed inductor is an ideal component for applications that require a steady current flow with minimal power loss. The 1638R-20J is a fixed inductor widely used in a variety of industries and applications. This article will discuss the application field and working principle of the 1638R-20J.

Application Field

The 1638R-20J fixed inductor is most commonly used in applications that require minimal power loss and depend on constant current flow. It is often found in AC and DC power supplies, radio frequency amplifiers, voltage converters, and switching power supplies. It is also a popular component for use in audio and automotive applications.The 1638R-20J fixed inductor is known for its reliability and consistent performance. It has been tested to withstand temperatures between -40°C and 85°C and is considered one of the most reliable inductors in its class. Its small size and low cost make it an ideal choice for many applications.

Working Principle

The working principle of a fixed inductor is based on Faraday\'s Law of Induction. This law states that an electric current through a conductor creates a magnetic field around it. This magnetic field operates at a frequency determined by the electric current. As the current passes through the inductor, it induces a voltage across its terminals. This voltage is a function of the electric current and the values of the inductor parameters.The 1638R-20J fixed inductor uses a high-quality, two-layer magnetic core material for optimal energy storage and transmission. Its windings are made of copper, providing a low-resistance path for the electric current.When an alternating current passes through the 1638R-20J, an induced voltage is created across its terminals. This voltage is a function of the electric current and the inductor parameters. As the current increases, the induced voltage also increases. This allows the device to store and deliver electrical energy with minimal power loss.

Conclusion

The 1638R-20J fixed inductor is a reliable and economical component for use in a variety of applications. Its small size and low cost make it an ideal choice for use in AC and DC power supplies, radio frequency amplifiers, voltage converters, and switching power supplies. Its two-layer magnetic core material provides optimal energy storage and transmission, and its windings are made of copper for a low-resistance path for the electric current. The device uses Faraday\'s Law of Induction to induce a voltage across its terminals, storing and delivering electrical energy with minimal power loss.

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