MMZ2012D121BTD25

Series:	MMZ
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):	300 mOhm
Ratings:	AEC-Q200
Operating Temperature:	-55°C ~ 125°C
Package / Case:	0805 (2012 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.041" (1.05mm)
Size / Dimension:	0.079" L x 0.049" W (2.00mm x 1.25mm)

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Ferrite Beads and Chips

Ferrite beads and chips are one of the most common electrical components. They are commonly used in a variety of applications, ranging from radio frequency shielding to charge pump capacitors. The most common type of ferrite bead is the MMZ2012D121BTD25. In this article, we’ll discuss the application field and working principle of this component.The MMZ2012D121BTD25 is a high frequency ferrite bead, typically used for radio frequency (RF) suppression. It is a multilayer, ceramic bead with an impedance of 1.2 Ohms. It is designed to suppress high frequencies and offer a wide range of noise attenuation. It is available in surface mount (SMT) and through-hole (THT) versions, and is compatible with a variety of materials, such as FR-4, FR-5, and ceramic laminates.The MMZ2012D121BTD25 can be used in several applications. One of its most common uses is in the suppression of RF noise in components and circuits. By providing an impedance value of 1.2 Ohms, it prevents high frequency signals from radiating across the circuit. It is also used for signal and ground suppression in digital circuits, helping to maintain signal integrity. Additionally, it is often used for EMI/RFI noise suppression in telephone lines and other communication systems.When it comes to the working principle of the MMZ2012D121BTD25, it is fairly simple. It operates on the principle of magnetic resonance. When an alternating current is applied to the bead, it generates a magnetic field. This magnetic field induces a current in the two ends of the bead, forming a loop. This current is essentially an electrical resistance, which limits the amount of current that can flow through the bead.The MMZ2012D121BTD25 has a relatively constant impedance throughout its frequency range, which makes it ideal for RF suppression. Additionally, it has a wide operational temperature range and excellent tolerances. This allows it to provide reliable performance even in extreme temperatures.In summary, the MMZ2012D121BTD25 is a high frequency ferrite bead designed for radio frequency (RF) suppression. It is used to provide a wide range of noise attenuation and signal and ground suppression in digital circuits. It operates on the principle of magnetic resonance, and has a wide operational temperature range and excellent tolerances. This makes it suitable for a variety of applications, such as EMI/RFI noise suppression and signal and ground suppression.

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