1945R-15J

DC Resistance (DCR):	3.32 Ohm
Height - Seated (Max):	--
Size / Dimension:	0.193" Dia x 0.447" L (4.90mm x 11.35mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	20.8MHz
Q @ Freq:	80 @ 2.5MHz
Series:	1945R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	290mA
Tolerance:	±5%
Inductance:	39µH
Material - Core:	Iron
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: 1945R-15J Application Field and Working PrincipleFixed inductors have been in the electrical components industry for many decades, revolutionizing the way we power electronics. Though there are now more and more tools and components available in the electrical components industry, such as various transformers, fixed inductors remain an important, dependable element of the industry. In this essay, we explore the 1945R-15J, a common fixed inductor. We will examine the application field it can be used in as well as its working principle. The 1945R-15J fixed inductor is a cylindrical, vertical mount conductive, inductive element. It is generally used in power supplies, switching circuits, and switching regulator circuits. It is composed of an internal winding, a ferromagnetic core, a conductive ferrule, and a thermosetting plastic base which is also applied with an epoxy resin. This part has a wide application field, ranging from automotive electronics to medical systems. The working principle of the 1945R-15J fixed inductor is that a current (I) is run through the ferromagnetic core. This in turn creates a magnetic field (B) around it which is expanded or collapsed as the current changes. This magnetic field can ‘catch’ the electrons as they pass through it, essentially temporarily storing their energy and forming a magnetic field. This magnetic field then quickly changes into an electric field (E), caused by the internal current of the winding, where an inductive reactance (X_L) is generated, thus leading to a varying electrical current.The 1945R-15J fixed inductor offers high performance, has a wide temperature range operating from -55°C to +105°C and meets UL flammability standards. It is capable of producing a greater inductance than traditional inductors with its low core loss, which leads to larger separation between the different signals. Finally, it has a low profile which makes it suitable for compact applications and has a wide variety of pins and terminals, enabling it to be used in almost any type of circuit.The 1945R-15J fixed inductor is a reliable, dependable component in the electrical components industry. It can be used in a variety of applications and is capable of producing more inductance than other equivalent parts, while having a low profile and low core loss. With all this in mind, it is easy to see why the 1945R-15J is a common inductor used in many different types of circuits and systems.

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