9405R-40

DC Resistance (DCR):	9.7 Ohm Max
Height - Seated (Max):	0.500" (12.70mm)
Size / Dimension:	0.380" Dia (9.65mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	3.5MHz
Q @ Freq:	61 @ 790kHz
Series:	9405R
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	149mA
Tolerance:	±10%
Inductance:	220µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors play an important role in modern electronics, providing the necessary magnetic flux to power electrical devices. 9405R-40 is a popular example of this inductor family, featuring an operating frequency range of 0.2-4MHz, an inductance of 4.7uH VC and a remarkable maximum current of 2.05 amps. With such a high current and frequency capacity, it is suitable for a wide range of applications in different industries.This article focusses on the application fields and working principle of the 9405R-40.

Applications

The 9405R-40 is a versatile inductor with a wide range of applications. It is commonly used in power convertors, voltage multipliers and switched-mode power supplies (SMPS) due to its high current capacity and excellent thermal characteristics. It can also be used in other SMPS circuits like AC/DC converters, resonant converters, DC/DC converters, voltage regulators and more. It\'s also appropriate for use in automotive applications, like charging systems and audio signal processing. In addition, the 9405R-40 has found utility in alternative energy sources like wind turbines and solar energy.

Working Principle

The 9405R-40 inductor operates on the principles of Faraday’s law of induction. This law states that when the magnetic flux passing through a loop changes, an induced current is generated in the loop. The amount of current generated depends on the change of flux through the loop and the inductance value of the fixed inductor. Now consider the transfer of energy between a circuit and another circuit. In the 9405R-40 application, the energy is transferred from the electric current in one loop to the electric current in another loop. The energy is mutually exchanged between the two loops due to the magnetic field generated with the aid of the inductor. The inductor can both store energy from the source and release it in the target loop simultaneously, depending on the value of the electrical charge. To achieve this transfer, the 9405R-40 inductor is designed to be wound around a ferromagnetic core, such as powdered iron, to ensure the magnetic content remains enclosed in the loop. When current passes through the ferromagnetic core, it produces a magnetic field, which then induces a current in the other loop. The resultant current flowing in the secondary loop creates a magnetic flux, and consequently, an electric force produces the needed output voltage in the second loop.

Conclusion

The 9405R-40 fixed inductor enables energy to be transferred efficiently between two circuits, making it a highly reliable and reliable option for a variety of applications. Its excellent current and frequency capability and its ability to be installed in a range of devices ensure maximum efficiency and cost savings.

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