Z0402C121ASMST Filters

Series:	Z-SMS
Packaging:	Tape & Reel (TR)
Part Status:	Active
Filter Type:	Signal Line
Number of Lines:	1
Impedance @ Frequency:	120 Ohms @ 100MHz
Current Rating (Max):	500mA
DC Resistance (DCR) (Max):	230 mOhm
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Package / Case:	0402 (1005 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.022" (0.55mm)
Size / Dimension:	0.039" L x 0.020" W (1.00mm x 0.50mm)

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Introduction to Ferrite Beads and ChipsFerrite beads and chips are small electronic components that are used to control electromagnetic interference (EMI) in a variety of applications. They are composed of ferrite granules with a small center core that provides a path for electric current through the bead or chip. It’s these granules that create a powerful inductive force which helps prevent unwanted signals from entering the circuit and interfering with its performance. The components can also be used to filter out stray RF signals from the system, thus ensuring optimal performance of any electronic device.Z0402C121ASMST Application Field and Working PrincipleThe Z0402C121ASMST, specifically, is a type of ferrite bead-chip which is used in applications that require EMI suppression. The bead-chip is designed tol reduce the emissions and immissions of noise from the high-frequency electric current that is generated by the device. It’s able to do this by offering an impedance to the current, which helps reduce the amplitude of the noise. The Z0402C121ASMST is most commonly used in portable devices, such as cellphones, tablets, and laptops as it’s able to provide a high level of EMI protection without negatively impacting the device’s performance. It’s also commonly used in automotive, medical, and industrial applications, as its ability to reduce interference makes them ideal for use in such high-precision systems.In terms of its working principle, the Z0402C121ASMST works by exploiting the properties of ferromagnetic material. When a current passes through the core of the bead-chip, it creates an inductive reactance which limits the amount of current flowing through it at any given time. This helps to reduce the amplitude of noise generated by the device, thus preventing it from interfering with nearby circuits or devices. Additionally, because of its construction, the Z0402C121ASMST is able to provide exceptional EMI protection in an extremely small package. ConclusionOverall, the Z0402C121ASMST is an incredibly useful and versatile EMI suppression device which is able to easily fit into a range of applications. Its small size, coupled with its powerful design make it an ideal choice for anyone that requires effective EMI protection without sacrificing space or performance. Its ability to reduce the amplitude of noise generated by a device or system is what makes the Z0402C121ASMST such a reliable and popular option when it comes to ferrite bead-chips.

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