PM428S-680-RC

DC Resistance (DCR):	400 mOhm Max
Height - Seated (Max):	0.118" (3.00mm)
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:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	11MHz
Q @ Freq:	8.42 @ 2.52MHz
Series:	PM428S
Shielding:	Shielded
Current - Saturation:	360mA
Current Rating:	630mA
Tolerance:	±30%
Inductance:	68µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are an important component in the electrical and electronics industries, as they are widely used in the circuit designs to filter out alternating current and to block DC current. The PM428S-680-RC is a type of fixed inductor which has a variety of applications in various fields and it works based on certain principles.

Application Field

The PM428S-680-RC fixed inductor is commonly used in various types of circuit designs such as Power Line Filter, Switched Mode Power Supply, Resonant Test Circuit, and the applications have become more and more extensive.The data lines of the circuit design usually require higher differential impedance against noise interference, so the PM428S-680-RC is usually used in the cabling systems to filter out the unwanted signals such as electrostatic or radiation interference. It can also be used in the test circuits, for example the RFID board testing, as the control method of limiting inductance ranges from a few microhenries to hundreds of microhenries.

Working Principle

The PM428S-680-RC fixed inductor works based on Faraday’s law, which states that when a current-carrying conductor is placed in a magnetic field, a magnetic force is generated and this force is used to induce electromotive force which can be then applied in electrical circuits. The PM428S-680-RC consists of a coil and a core. When a current is applied through the coil, a magnetic field is generated and the core works as a rod to direct the flow of the produced magnetic field. The magnetic field generated can be either an AC or a DC depending on the nature of the current passing through the coil.The electrical resistance of the coil works to reduce the amount of the AC or DC current passing through the inductor and hence ensure that the inductor will be able to limit the current to a certain level as per the circuit design requirement. The PM428S-680-RC is designed to operate in a temperature range of 10-85°C and has 76 mOhms impedance at 100MHz and its impedance can range at higher frequencies.

Conclusion

In conclusion, fixed inductors such as the PM428S-680-RC can be used in various areas of circuit design and it works based on Faraday’s law. The PM428S-680-RC uses a coil and a core to generate a magnetic field and then modifies the current in order to provide limited current flow for the circuit design. This type of inductor is known to operate in temperatures ranging from 10-85°C with 76 mOhms impedance at 100MHz.

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