HM28-42053LF

Voltage Rating - AC:	250V
Package / Case:	Vertical, 4 PC Pin
Height (Max):	1.693" (43.00mm)
Size / Dimension:	1.437" L x 0.984" W (36.50mm x 25.00mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	--
Series:	HM28
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	300 mOhm
Current Rating (Max):	2A
Inductance @ Frequency:	18mH @ 1kHz
Number of Lines:	2
Filter Type:	--
Part Status:	Discontinued at Digi-Key
Packaging:	Bulk

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Common Mode Chokes (CMCs) are electromagnetic components that are designed to suppress stray or extraneous electromagnetic interference (EMI). Specifically, they work by blocking electromagnetic signals at very specific frequencies. In this way, they are able to provide isolation for sensitive electronic components from threatening interference. A CMC consists of a number of wire coils and ferromagnetic cores arranged in such a way that they effectively create a magnetic field that can block interference within a given frequency range.The HM28-42053LF CMC is a part of Murata’s Series 28 line, and is designed to operate over the frequency range of 30MHz to 250MHz. It is a single-core CMC with four windings, and has a compact form factor for easy integration into high-end designs. The compact size, low-profile construction and light weight of the HM28-42053LF make it ideal for space-constrained designs, such as those used for communication equipment.The most important aspect of the HM28-42053LF is its ability to effectively attenuate noise within its frequency range. This is achieved by the combination of its ferrite core material and its four wire windings, which together create a highly effective magnetic field. This magnetic field, along with the cores’ unique properties, is able to provide excellent cutoff frequencies for high-frequency EMI. To further increase the effectiveness of these cutoff frequencies, the HM28-42053LF makes use of a high-permeability material that helps to absorb and reduce stray electromagnetic signals.The HM28-42053LF is well-suited for a variety of applications, including radio frequency (RF) and broadband communication, power (switch-mode) supplies and motorized equipment. In each of these applications, it is able to effectively reduce noise while preserving signal integrity. The HM28-42053LF is also well-suited for noise suppression in automotive and medical systems.Overall, the HM28-42053LF CMC is an excellent choice for noise suppression in a wide variety of circumstances. Thanks to its small form factor, low-profile construction, and high magnetic field strength, it is able to reduce noise and increase signal integrity in any application from RF and broadband communication to automotive and medical systems.

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