Z144

Voltage Rating - AC:	--
Package / Case:	Axial
Height (Max):	--
Size / Dimension:	0.187" Dia x 0.750" L (4.76mm x 19.05mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	--
Series:	Z
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	330 mOhm (Typ)
Current Rating (Max):	1.1A
Inductance @ Frequency:	1.8µH @ 1kHz
Number of Lines:	1
Filter Type:	--
Part Status:	Active
Packaging:	Bulk

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Common Mode Chokes (CMC) are a type of energy storage device which have become increasingly popular in the telecommunications industry due to their advantages in reducing or interfering with high frequency disturbances, such as electro-magnetic interference (EMI), and radio-frequency interference (RFI). CMCs are commonly used in applications where they must suppress common mode voltage or current, or to prevent interference of power line signals.The Z144 is a CMC based on SPICE modeling which has been designed to provide a wide variety of features and characteristics. It is a high-order model having a wide damping range, low input noise, high attenuation, and excellent power capacity. It is suitable for a wide range of usage, including in applications where it is necessary to suppress common mode voltages and currents or radio-frequency interference. The Z144 is a single-terminal, electronically-switchable CMC which is currently used in a variety of applications such as EMI/RFI suppression, power line crosstalk reduction, audio lines/speakers, and antenna/dispersion suppression/antenna noise impedance matching. It is designed to reduce high-frequency disturbances and to provide a near-perfect return path for the affected signals.The Z144 has a wide frequency range and can be used for various applications below 1 MHz. The device has an operating voltage range up to 5 V and a nominal current rating of 100mA. It also has a power rating of about 0.5W. The modeling technique utilized in its design offers a high level of preciseness, enabling it to be used in challenging applications.The Z144 CMCs are constructed using two perpendicular windings which are placed on two separate cores. The windings are connected to separate terminals, with one terminal representing the input and the other representing the output. The amount of attenuation of a CMC is determined primarily by its inductance. The higher the inductance, the higher the achievable attenuation. The frequency response of the Z144 CMC is inversely proportional to the strength of the inductance. This means that the greater the inductance, the lower the frequency response. The Z144 CMCs can also be used to reduce the impedance mismatch problems between the transmitting engines and receivers, or between two components operating at different frequencies. This is due to their ability to store energy and release it effectively as a burst of energy in the required direction, resulting in improved power transfer efficiency between two components. The working principle of the Z144 involves using the energy stored in the inductive elements to create a very effective high-frequency attenuation path. The inductive elements act as a buffer for the energy that is stored in the device, and therefore act to attenuate radio-frequency interference. They also act to reduce the undesirable frequency responses that can occur when there is a delay in the signal propagation. The Z144 CMCs can be used to reduce noise in the network, which enhances the performance and reliability of the system. In conclusion, the Z144 CMCs are a great choice for a wide range of applications, including EMI/RFI suppression, power line crosstalk reduction, audio lines/speakers, antenna/dispersion suppression/antenna noise impedance matching, and numerous other applications. They are reliable, efficient, and offer a high level of accuracy. The Z144 CMCs are able to reduce interference and improve system performance while also providing a very effective high-frequency attenuation path.

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