PT75R-900

Series:	PTR
Packaging:	Bulk
Part Status:	Active
Type:	Toroidal
Material - Core:	--
Inductance:	75µH
Tolerance:	±15%
Current Rating:	3.9A
Current - Saturation:	--
Shielding:	Unshielded
DC Resistance (DCR):	60 mOhm Max
Q @ Freq:	--
Frequency - Self Resonant:	--
Ratings:	--
Operating Temperature:	--
Inductance Frequency - Test:	1kHz
Mounting Type:	Through Hole
Package / Case:	Radial
Supplier Device Package:	--
Size / Dimension:	0.900" Dia x 0.360" W (22.86mm x 9.14mm)
Height - Seated (Max):	--

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Introduction

Fixed inductors, such as the PT75R-900, are devices used to store energy in the form of magnetic field. They are commonly used in electronic circuits for providing a specific amount of inductance, such as the filtering of alternating current (AC) signals, long-term storage or buffering of energy, and the generation of a fixed voltage. This article will discuss the application field and working principle of the PT75R-900 fixed inductor.

PT75R-900 Application Field

The PT75R-900 fixed inductor is a type of high-current, low-profile inductor that is typically used in power distribution, motor control, switching power supplies, and other high-power applications. It is designed to offer high saturation current, tight tolerance, a lower DCR, and low-profile height.The PT75R-900 also offers several advantages over other types of inductors, such as improved heat dissipation, low temperature coefficient, and good transient response. This makes it ideal for use in high-current, high-power applications where there is a need for efficient heat dissipation.Using an appropriate heat sink is important when using the PT75R-900 as heat dissipation is essential in order to minimize energy losses. It is also important to note that the PT75R-900 requires at least two flat surfaces with an even contact for proper heat transfer.

PT75R-900 Working Principle

The PT75R-900 fixed inductor works by creating a magnetic field when an alternating current (AC) is passed through it. This magnetic field stores energy in the form of electrons, which is then released when the AC voltage is decreased. The rate of energy release is determined by the number of turns in the wire, as well as the type of material used in the construction of the inductor.The PT75R-900 can be used in either single or dual winding configurations. In single winding applications, one wire is used to form the inductor, while in dual winding applications, two wires are used. The type of windings can affect the inductance values of the inductor.When using the PT75R-900 in dual winding applications, it is important to ensure that the windings are properly balanced. If they are not, then the inductance will be affected, as the amount of energy stored in the magnetic field of each winding will be unequal.

Conclusion

The PT75R-900 fixed inductor is a type of high-current, low-profile inductor that is designed for use in high-current, high-power applications. It offers improved heat dissipation, low temperature coefficient and good transient response. The PT75R-900 works by creating a magnetic field when an alternating current is passed through it, and the rate of energy release is determined by the number of turns in the wire. When using the PT75R-900 in dual winding applications, it is important to ensure that the windings are properly balanced in order to minimize the effects of unequal energy storage in the magnetic field.

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