CDC4D20NP-331KC

DC Resistance (DCR):	5.16 Ohm Max
Height - Seated (Max):	0.079" (2.00mm)
Size / Dimension:	0.189" L x 0.189" W (4.80mm x 4.80mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	CDC4D20
Shielding:	Unshielded
Current - Saturation:	160mA
Current Rating:	135mA
Tolerance:	±10%
Inductance:	330µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors are electrical components used to store energy in the form of an electromagnetic field, and are used very frequently in electrical and electronic circuits. The CDC4D20NP-331KC is a type of fixed inductor, with a wide range of applications and a particular set of working principles.The CDC4D20NP-331KC is a fixed inductor made of a non-magnetic, high-voltage cermet mold, with a 20 to 100 nanohenry inductance range. This particular inductor is suitable for high current applications, and its range of maximum DC current is from 100mA to 5.3A. It is designed to provide improved power performance, reliability, and size limitations compared to similar inductors.The application of the CDC4D20NP-331KC fixed inductor is far-reaching. It can be used in power supplies and is suitable in circuits that require AC/DC converter circuits. This inductor also works as an interference filter in frequencies ranging from kHz to MHz, making it perfect for switch-mode power conversion applications and DC/DC converters.  Another application of the CDC4D20NP-331KC is magnetic shielding for analogue circuits, creating a screen from electrostatic and noise interference.The working principle of the CDC4D20NP-331KC fixed inductor is in the energy transformation based on magnetic field. When conducting electrical current, the electrical energy is transformed into magnetic energy and is held in a core region. This creates a specific inductance, with higher current producing higher inductance. This inductance is controlled by the core material and the frequency parameters of the circuit. The non-magnetic core material used in the CDC4D20NP-331KC is important to note. In a fixed inductor, this material is designed to have a high resistance and a low permeability. This is so that the electrical current can be limited in the core and the inductance can be a constant. With the right composite of core materials, this fixed inductor is able to control the inductance and resistance to a specific level.The inductance of the CDC4D20NP-331KC will also be affected by the number of turns of the electrical wire that is wound around its core. This is because the air gap magnetic flux linked to the inductor varies directly in relation to the number of turns in the electrical circuit. This is key to the performance of the inductor, and as a result the design of the fixed inductor takes the number of turns into account.In summary, the CDC4D20NP-331KC is a fixed inductor with a range of applications, particularly power supplies and switching/DC converter circuits. It is constructed from high voltage non-magnetic material, and its inductance is determined by the core material, frequency parameters, and the number of turns in the electrical circuit. Furthermore, its unique design and components makes this fixed inductor capable of creating reliable magnetic shielding for analogue circuits.

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