ER1840-05KM

DC Resistance (DCR):	85 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:	300MHz
Q @ Freq:	50 @ 25MHz
Series:	ER1840
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	1.7A
Tolerance:	±10%
Inductance:	390nH
Material - Core:	Phenolic
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors are electric components used to store or contain energy in the form of a magnetic field. They are also known as coils, chokes, and inductance coils. They are available in many shapes and sizes, the most common being cylindrical or toroidal shaped. Fixed inductors, sometimes referred to as "cruciform" due to their "X" configuration, are found most commonly in electronic circuits, often in the form of integrated circuits.ER1840-05KM is part of the ER18 Series of fixed inductors manufactured by EMI Inc. They are characterized by their low profiles and wide variety of inductances, ranging from 1nH to 10.2nH, allowing for a wide range of applications.

Application Field of ER1840-05KM

The ER1840-05KM fixed inductors are designed for use in a number of automotive, audio, and communications applications, providing a high accuracy in a small package. Its wide range of inductances allow it to be used in a variety of applications, from power supply filters, EMC (electromagnetic compatibility) circuits, amplifier feedback loops, and oscillator circuits to low-noise circuits in audio equipment, DC-DC converters, RFID (radio frequency identification devices), and more.

Working Principle of ER1840-05KM

ER1840-05KM fixed inductors are designed to operate based on the principle of electromagnetic induction. This principle states that when a conductor is placed in a magnetic field, it will generate an electric current or electromotive force (EMF). This EMF is proportional to the rate of change of the magnetic field.In the case of the ER1840-05KM, the coil of the inductor acts as the conductor, which is placed between magnetic poles. When the winding of the coil cuts through the magnetic field, it generates a voltage across the terminals of the coil. This voltage is proportional to the rate at which the coil is cutting through the magnetic field.

Conclusion

ER1840-05KM fixed inductors are a versatile and reliable component for a number of automotive, audio, and communications applications. They are designed to operate based on the principle of electromagnetic induction, allowing them to generate an EMF proportional to the rate at which the coil is cutting through the magnetic field. With its wide range of inductance and small package size, the ER1840-05KM makes for a powerful and useful addition to many circuits.

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