PMC0402-300

Series:	PMC
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Filter Type:	--
Number of Lines:	1
Impedance @ Frequency:	30 Ohms @ 100MHz
Current Rating (Max):	300mA
DC Resistance (DCR) (Max):	200 mOhm
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Package / Case:	0402 (1005 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.020" (0.50mm)
Size / Dimension:	0.039" L x 0.020" W (1.00mm x 0.50mm)

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PMC0402-300 Ferrite Beads and Chips: Application Field and Working Principle

Ferrite beads and chips are widely used in many applications due to their excellent properties. Among them, PMC0402-300 ferrite bead is one of the most widely used types and it is widely applied in electronic products such as TVs, monitors, home appliances etc. In this article, we shall discuss about the application field and working principle of this ferrite bead.

Application Field

PMC0402-300 ferrite beads and chips are normally used for noise suppression and interference reduction in electronic equipment. It is suitable for use in various types of high frequency filters and switching power supply applications. This product is capable of filtering out high frequency noise and interference in the frequency range of 10KHz to 250 MHz, and it is also capable of effectively suppressing the noise generated by switching power supply.It is ideally suited for use in high speed circuits, such as serial data signal lines, multi-drop bus lines, and communications circuits. PMC0402-300 ferrite beads and chips can provide excellent performance in the high speed application fields of cellular phones, wireless communication, etc. It is also suitable for use in power management applications such as DC/DC converters, AC/DC power supply, and AC/DC converters.

Working Principle and Features

The PMC0402-300 ferrite bead is made from a ceramic material and consists of two layers of concentric cylinders. The inner layer acts as an inductor and the outer layer acts as a capacitor. The device has three terminals and the capacitance between each terminal is quite low, which helps the device act as an impedance transformer.The characteristic impedance of the PMC0402-300 ferrite bead is adjustable from 10 Ohms to 100 Ohms, and it features a high inductance value that can be adjusted by varying the inductance. The device also offers low loss, low temperature shift, and fast recovery from overload conditions. It is highly reliable and has a low ESR value, which can reduce ripple noise and increase stability of the device.The PMC0402-300 ferrite bead can be used in circuits that require low-pass, high-pass, band-pass, and band-stop filtering. It can also be used for impedance transformation, noise suppression, and interference reduction. It is widely used in telecommunication systems, automotive industries, and other applications.

Conclusion

In conclusion, the PMC0402-300 ferrite bead and chip is widely used due to its excellent properties and performance. It is highly reliable and can be used for various purposes such as noise reduction and impedance transformation. Its high inductance value and low ESR make it an ideal choice for high speed applications. Additionally, its adjustable characteristic impedance makes it versatile and suitable for various applications.

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