PCMF2USB3S/CZ Filters

Resistance - Channel (Ohms):	--
Height:	0.024" (0.60mm)
Size / Dimension:	0.062" L x 0.046" W (1.57mm x 1.17mm)
Package / Case:	10-UFBGA, WLCSP
Mounting Type:	Surface Mount
Voltage - Rated:	--
Applications:	General Purpose
Operating Temperature:	-40°C ~ 85°C
ESD Protection:	Yes
Values:	--
Series:	PCM
Attenuation Value:	--
Center / Cutoff Frequency:	--
Number of Channels:	2
Technology:	--
Filter Order:	--
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Common Mode ChokesCommon Mode Chokes, also known as CM Chokes, are electrical components consisting of ferrite cores and multiple windings to reduce electromagnetic interference (EMI) over a wide frequency range. The PCMF2USB3S/CZ application field and working principle of common mode chokes are important for understanding how they can be used in filtering common mode noise.Common mode chokes are used in electronic applications to minimize EMI interference and reduce the power radiated from cables or electrical systems. By inserting these chokes between two points, the high frequency signals can be filtered and attenuated. This filtering can reduce background noise, providing improved signal-to-noise ratio, signal clarity, and system performance.In the application field of PCMF2USB3S/CZ, the choke is most commonly used in data interface cables. For instance, USB 3.0 cables need to employ common mode chokes to suppress common mode noise in order to minimise possible interference of high speed signals. This increases signal integrity, especially with regard to the sync and clock signals.The working principle of PCMF2USB3S/CZ can be divided into two main types: magnetically coupled and capacitively coupled.Magnetically coupled common mode chokes work on the principle of inductive reactance. The choke comprises a ferrite core around which two wires are wound. As current from the main line passes through the primary winding, the coil stores energy in the magnetic field. This magnetic coupling is then transferred to the secondary winding, attenuating the signal.Capacitively coupled common mode chokes work by transferring energy between two separate conductors via the capacitive coupling. This is done using a capacitor in combination with a coil. The two coils are wound around a ferrite material with the same amount of turns, and the capacitor is placed between them. This capacitor is found crucial in blocking the high frequency signals within the entire frequency band, eliminating EMI.PCMF2USB3S/CZ is used to reduce the electromagnetic interference between the D+ and D- signal lines of USB 2.0 and the Vcc and GND signal lines of the power supply. When the USB 3.0 cable is connected, it will be equipped with a PCMF2USB3S/CZ, which acts as an intrinsic filter to reduce common mode noise. This provides improved common mode noise immunity, which is essential for high speed data transmission.In summary, PCMF2USB3S/CZ common mode chokes are essential components for protecting electrical equipment and reducing interference from electromagnetic sources. These devices use magnetically or capacitively coupled technology to suppress common mode noise, providing higher signal integrity and improved system performance.

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