ER1840-34KP

DC Resistance (DCR):	1.2 Ohm 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:	2.5MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	30MHz
Q @ Freq:	55 @ 2.5MHz
Series:	ER1840
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	310mA
Tolerance:	±10%
Inductance:	15µH
Material - Core:	Iron
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The ER1840-34KP is a high performance fixed inductor that can be used in a variety of applications. It works by generating an electromotive force (EMF) in a conductive coil when current passes through it. The EMF is typically determined by the number of turns in the coil, the number of cores in the coil, and the current passing through the coil.The ER1840-34KP is ideal for use in switching power supplies, DC-DC converters, and other high frequency circuits. Its low resistance/inductance ratio and high frequency response make it a popular choice for these types of applications. The ER1840-34KP is also well suited for applications which require low EMI noise levels such as audio circuitry and communication systems.When it comes to working principles, fixed inductors work similarly to other electrical components, yet have a few differences. A fixed inductor is an electrical component composed of a number of turns of wire wrapped around a core of ferromagnetic material. As the current varies, the magnetic flux density in the coil changes which creates an opposing voltage, known as back-Emf. The resistance of the coil, or its inductance, is the opposition to this current flow.The resistance and inductance of a coil can be modified and customized to meet the needs of an individual design. This is useful in audio signal processing as well as high speed signal switching applications. Generally speaking, lower resistance in a coil means a higher output EMF for a given current. Conversely, higher inductance in a coil will cause a higher back-EMf for a given current.The ER1840-34KP specifically is a high performance, reliable, and cost-effective fixed inductor designed for AC-DC, DC-AC, and DC-DC applications. It supports a wide operating temperature range and is especially useful in systems that require high-voltage operation and frequent switching. It also has a low DC resistance, making it suitable for high frequency circuits.The ER1840-34KP also comes with a built-in thermal protection feature. This feature prevents excessive Joule heating of the core during overload conditions, ensuring a high level of reliability during operation.Overall, the ER1840-34KP is a high performance and versatile fixed inductor that can be used in a variety of applications. Its low resistance and high frequency response make it ideal for AC-DC, DC-AC, and DC-DC applications, as well as audio and communication systems. It also has a built-in thermal protection feature for reliable operation and can support a wide operating temperature range to help ensure trouble-free operation.

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