CR43NP-680KC

DC Resistance (DCR):	1.117 Ohm Max
Height - Seated (Max):	0.138" (3.50mm)
Size / Dimension:	0.189" L x 0.169" W (4.80mm x 4.30mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	2.52MHz
Operating Temperature:	-40°C ~ 100°C
Ratings:	--
Frequency - Self Resonant:	13.3MHz
Q @ Freq:	--
Series:	CR43
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	370mA
Tolerance:	±10%
Inductance:	68µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Fixed Inductors

Fixed inductors, also known as fixed coils or simply inductors, are electronic components that generally consist of a wire wound around a core material. They use the principles of electronics and electrodynamics, which involve creating and manipulating magnetic fields and currents, in order to provide inductance. The value of the inductance is determined by the number and cross-sectional area of the windings, and by the type of core material. Common core materials for inductors include ferrite, iron, and air.Fixed inductors can be used for a variety of purposes. Most commonly, they are used as electromagnets in electric motors, where a changing magnetic field induces a rotating current in the rotor. They are also used in inverters, to convert direct current into alternating current, and in power supplies, to filter and regulate AC power. Finally, they are used in power factor correction applications, to ensure that the electric current adjusts to the voltage generated by a power converter.

CR43NP-680KC Fixed Inductor and Its Application Field and Working Principle

The CR43NP-680KC is a fixed inductor manufactured by Murata. The component is designed to operate at a temperature range of -40 to 105°C and a rated voltage of 50 VDC. The package dimensions of the CR43NP-680KC are 4.5 x 4.5 x 6.0 mm.The CR43NP-680KC features a robust construction and is highly resistant to mechanical shock and vibration. Additionally, it is well-suited to usage in high density PC boards and automated assembly applications.The CR43NP-680KC\'s application field includes various types of power and switching supplies, inverters, and circuit frequency transducers. The component also finds use in energy conserving equipment, printers, and industrial robots.The principle of operation of a fixed inductor is based on the fact that a current flowing through a coil of wire generates a magnetic field. This magnetic field interacts with the magnetic fields generated by other nearby coils and can induce an electric current in them. In the case of the CR43NP-680KC, this induced current is used to regulate the AC power in a power supply, or to convert DC into AC current.The inductance value of the CR43NP-680KC is 680 nH, measured at a frequency of 100 kHz with an inductance tolerance of ±10%. The component has an impedance of 1.75 Ω, an inductance temperature coefficient of -33.3%/°C, and a rated current of over 2.0A. Additionally, the CR43NP-680KC has a high self-resonant frequency of 500 MHz and an SRF (self-resonant frequency) drift of 0.3%.Additionally, the CR43NP-680KC also has a high Q value of 70 at 1.0 MHz. This indicates that it dissipates less energy, allowing it to perform better at high frequencies. As a result, the CR43NP-680KC delivers excellent AC/DC power conversion efficiency, and is suitable for use in a wide range of power and switching supplies, inverters, and other equipment.

Conclusion

In conclusion, fixed inductors are an important component used in many electronic devices. The CR43NP-680KC is a fixed inductor that has a wide range of applications in power and switching supplies, inverters, circuit frequency transducers, energy conserving equipment, printers, and industrial robots. The component features a robust construction, is highly resistant to mechanical shock and vibration, and is well-suited to automated assembly. Additionally, it has a high Q value and a self-resonant frequency of 500 MHz. Consequently, the CR43NP-680KC delivers excellent AC/DC power conversion efficiency and is suitable for a wide range of electronics applications.

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