511R-48G

DC Resistance (DCR):	1.2 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:	2.5MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	40MHz
Q @ Freq:	65 @ 2.5MHz
Series:	511R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	285mA
Tolerance:	±2%
Inductance:	13µH
Material - Core:	Iron
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Fixed Inductors

Fixed inductors are electronic components which store energy in an electric field when a current passes through them. They are made of a wire, wound into a coil or wound onto a ferrite core or other substrate, and carrying current through it. As the current changes, the magnetic field created inside the coil changes accordingly. Inductors also produce a voltage when current flows through them, proportional to the change in current.

511R-48G Application Field and Working Principle

The 511R-48GFixed Inductor is a precision wire-wound inductor for power supply applications such as switching converter and forward / bridge converter. It is designed for both single-ended and differential-ended operation with an inductance value of 48 μH. The inductor also offers excellent EMI and RFI suppression, with a high-temperature self-healing epoxy varnish seal to ensure a long life.In terms of the working principle, when an alternating current (AC) is passed through the inductor, it produces a magnetic field. This magnetic field is then stored inside the inductor, which in turn induces a voltage recognized as the electric field. This induces a voltage opposite to the direction of the current (i.e. back EMF), which opposes the change in current. This is what provides the inductance of the inductor. Moreover, any increase in the current will cause a rise in the inductor\'s stored magnetic field, along with a proportional rise in the induced voltage. This is why inductors are often used to smooth out currents and act as filters, since they naturally oppose changes in current.

Conclusion

The 511R-48G Fixed Inductor is widely used in switching converter power supply applications, such as AC-to-DC conversion and forward / bridge converter. Its excellent EMI and RFI suppression capabilities and its ability to act as a filter and dampen current fluctuations make it an ideal component for these types of applications. On top of that, its epoxy varnish seal ensures a long life. In summary, fixed inductors are versatile, invaluable components in many electronic devices. Their ability to store energy in an electric field, induce voltage depending on the change in current, and reduce current peaks in AC applications makes them essential components. The 511R-48G Fixed Inductor is an excellent example of this and is a great choice for a variety of power supply applications.

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