1840-07G

DC Resistance (DCR):	100 mOhm Max
Height - Seated (Max):	--
Size / Dimension:	0.187" Dia x 0.437" L (4.75mm x 11.10mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	25MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	270MHz
Q @ Freq:	55 @ 25MHz
Series:	1840
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	1.67A
Tolerance:	±2%
Inductance:	560nH
Material - Core:	Phenolic
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed inductors refer to electronic components with non-adjustable inductance parameters that are used to store electrical energy in an electric current. The 1840-07G model is a type of fixed inductor that can be tied to a power source for the purpose of inductive energy storage. Its application field and working principle will be explained in this article. The 1840-07G is mainly used in the fields of switched-mode power supplies (SMPS). The SMPS is a form of power supply used with an electronic device that is connected to an alternating current (AC) power source, and converts to a direct current (DC) output. It does this by switching the power on and off quickly, and using the resulting energy to control the output voltage and current of the power supply. The major components of an SMPS include a power transistor and a catch diode, as well as inductors and capacitors that make up the inductive and capacitive filters. The 1840-07G is a fixed inductor that is used in the inductive filters of the SMPS. It is a ferrite core type inductor, and uses the iron core to create a magnetic field. This magnetic field interacts with the electric current passing through the coil to induce voltage and current. This induced voltage and current act to filter out any unwanted noise in the power supply, and to reduce ripple. The specs of the 1840-07G include an inductance range between 0.4 to 4.7μH, and a rated current of 2.9A.The 1840-07G fixed inductor works in the following way. When power is applied to the SMPS, current passes through the inductor and generates a magnetic field. This magnetic field then interacts with the current passing through the coil, creating an opposing force called back-EMF. This back-EMF acts to reduce the magnitude of the current passing through the coil, and also filters out any unwanted noise. The 1840-07G also has a built-in ferrite core that acts as a buffer, helping to remove any trace of the alternating current from the power source.The 1840-07G is a type of fixed inductor with a wide variety of applications in the fields of SMPS, and is designed to provide optimal power supply filtering in a wide range of systems. It features a range of 0.4 to 4.7μH inductance, as well as a rated current of 2.9A, which can be tied to a power source for the purpose of inductive energy storage. With its low resistance and wide range of specs, the 1840-07G can offer the highest level of filtering and noise reduction available in today’s power supplies.

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