CDR7D28MNNP-4R6NC

DC Resistance (DCR):	37.5 mOhm Max
Height - Seated (Max):	0.118" (3.00mm)
Size / Dimension:	0.287" L x 0.287" W (7.30mm x 7.30mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	CDR7D28MN
Shielding:	Shielded
Current - Saturation:	3.3A
Current Rating:	3.2A
Tolerance:	±25%
Inductance:	4.6µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionFixed inductors are commonly used in a wide variety of electronic applications. Generally speaking, a fixed inductor is an electronic component that stores energy in the form of a magnetic field when current passes through it. One type of fixed inductor is the CDR7D28MNNP-4R6NC. This article will explore the application areas and operating principle of the CDR7D28MNNP-4R6NC.Application FieldsThe CDR7D28MNNP-4R6NC can be used in a variety of electronic applications. One of its most common applications is in RFID (radio frequency identification) technology, where it is used to create antenna coils to receive information signals from nearby RFID tags. The CDR7D28MNNP-4R6NC can also be used in power supply circuits, where it can act as an inductor to provide filtering of AC line noise.In addition, the CDR7D28MNNP-4R6NC can be used for choke and noise attenuation, as well as in switched-mode power supplies. It can also be used in resonant circuits and oscillators as an inductor, and for timing elements. It is also known for its very low ESR (equivalent series resistance).Working PrincipleThe principle of operation for the CDR7D28MNNP-4R6NC is based on magnetic induction. When a current is passed through the inductor\'s windings, a magnetic field is created around them. This magnetic field then induces a back-EMF (electromotive force) in the opposite direction of the current. The back-EMF acts as a voltage across the inductor, thus opposing the current.The amount of current that can flow through the inductor is limited by the voltage and its inductance. Inductance is the ratio of the induced current to the applied voltage, and is measured in henries. The higher the inductance, the greater the opposition to the current flow. The CDR7D28MNNP-4R6NC has a high inductance, which means that it can act as a filter or suppressor, allowing only a certain amount of current to flow.ConclusionThe CDR7D28MNNP-4R6NC is a fixed inductor, which is used in a variety of electronic applications. It is most commonly used in RFID technology, power supply circuits, noise attenuation, switched-mode power supplies, resonant circuits, and oscillators. Its operating principle is based on magnetic induction, where a magnetic field is created when a current passes through its windings, inducing a back-EMF in opposition to the current. The CDR7D28MNNP-4R6NC has a high inductance, making it a great choice for filtering or suppressing current flow.

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