4494R-396

DC Resistance (DCR):	18 Ohm
Height - Seated (Max):	0.235" (5.97mm)
Size / Dimension:	0.465" L x 0.405" W (11.81mm x 10.29mm)
Supplier Device Package:	--
Package / Case:	8-SMD, Gull Wing
Mounting Type:	Surface Mount
Inductance Frequency - Test:	79kHz
Operating Temperature:	-20°C ~ 80°C
Ratings:	--
Frequency - Self Resonant:	220kHz
Q @ Freq:	140 @ 79kHz
Series:	4494R
Shielding:	Unshielded
Current - Saturation:	5mA
Current Rating:	85mA
Tolerance:	±25%
Inductance:	39mH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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What are Fixed Inductors?

Fixed inductors are electronic components used in a variety of electronic systems and device designs. They are passive two-terminal components, typically made of copper or some other type of metal coil that can store electrical energy. Fixed inductors are typically used in building filtering circuits, creating power supplies, providing critical waveform shapes, etc. One specific type of fixed inductors is called the 4494R-396.

4494R-396: Application Field and Working Principle

One of the most popular fixed inductors is the 4494R-396, which is designed to provide enhanced filtering capabilities. This inductor is characterized by its low DC resistance and good thermal and current stability at high frequencies. It is particularly suitable for operation in high speed applications such as mains noise filter, line filter, DC link choke, inverter, etc.The 4494R-396 has a broad range of inductance, DC resistance, and current ratings. Its performance characteristics and low values make it an ideal choice for high-frequency applications and general purpose use. Because of its relatively high inductance, the 4494R-396 can be used to provide extra filtering or noise suppression.The 4494R-396 is manufactured using a copper based magnetic core. This core helps to provide a greater magnetic flux density than is available from a given amount of material, and it also reduces the distortion of the DC responses of the inductor. In addition, the 4494R-396 is equipped with a built in magnetic shield, which helps to reduce the level of power loss in the inductor, and also helps to reduce the level of noise generated by the inductor.The 4494R-396 inductor works by increasing the inductance of a circuit. This is accomplished by storing energy in the magnetic field surrounding the coil. As electrical current flows through the inductor, a stronger magnetic field is created, which inducts an opposing current into the coil. This opposing current opposes the original electrical current, causing the inductance to increase. This increased inductance helps to reduce the levels of noise, as well as increasing the overall efficiency of the circuit.The 4494R-396 inductor can be used in a variety of situations. It is commonly used in DC/DC converters and various types of signal processing systems, as well as in audio-frequency and radio-frequency applications. In addition, the 4494R-396 provides filtering for power supplies, and it is often used in DC/AC inverters.The 4494R-396 is widely used in various applications due to its low DC resistance, good thermal and current stability, and high inductance values. It is a reliable and efficient inductor solution and can provide improved filtering performance in high speed applications.

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