HI2220P251R-00 Filters

Series:	HI
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Filter Type:	Power, Signal Line
Number of Lines:	1
Impedance @ Frequency:	250 Ohms @ 100MHz
Current Rating (Max):	4A
DC Resistance (DCR) (Max):	15 mOhm
Ratings:	--
Operating Temperature:	-40°C ~ 125°C
Package / Case:	2220 (5650 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.081" (2.05mm)
Size / Dimension:	0.220" L x 0.200" W (5.59mm x 5.08mm)

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Ferrite Beads and Chips are a form of inductive technology based on ferromagnetic material, used to suppress and filter radio frequency (RF) noise. One such device is the HI2220P251R-00, a ferrite bead designed for frequency applications from DC to several hundred megahertz. This article will discuss the application field and working principle of the HI2220P251R-00.The HI2220P251R-00 is primarily used in military and aerospace applications. Due to its design, the device can handle high EMF (electromagnetic force) and RF levels with minimal insertion loss, making it suitable for use in communications and control systems, as well as avionics and electronic warfare. Additionally, it is capable of suppressing RFI (radio frequency interference) up to 250MHz with low resistance, meaning that it can be used in systems that require a high level of electrical shielding.The HI2220P251R-00 works by creating a series of inductors around its semicircular conductive core. By connecting the ring to the radio frequency source, the inductors create an effective shield that opposes the RF signal and suppresses any resulting interference. This is achieved through a series of high-frequency circuits that function like a filter capacitor. As the current passes through the core, the current is evenly distributed among the inductors, resulting in a reduction of the RF signal entering the non-shielded components. Cable assemblies, fasteners, and other components can also be connected between the core and the input side of the device for additional shielding.The HI2220P251R-00 also features a high-performance design that provides superior performance compared to other inductive solutions. Its design includes a low-resistance, low-inductance core that ensures a high degree of accuracy and repeatability even when exposed to high EMF and RF levels. Additionally, its insulative material lets it dissipate energy reliably while maintaining its EMF rating.Overall, the HI2220P251R-00 is an effective and reliable ferrite bead, ideally suited for high-frequency military and aerospace applications. Its unique design offers excellent protection from RFI, as well as superior performance compared to other inductive solutions. It is capable of providing an even distribution of current across its core, resulting in a reduction of the RF signal that enters non-shielded components. It also features an advanced design that ensures a high degree of accuracy and repeatability even when encountering high EMF and RF levels. By utilizing the HI2220P251R-00 as part of a comprehensive RF shielding solution, users can significantly reduce the amount of noise in their system and ensure they meet their highest performance needs.

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