EZA-ST32AAAJ Filters

Resistance - Channel (Ohms):	100
Height:	0.033" (0.85mm)
Size / Dimension:	0.157" L x 0.083" W (4.00mm x 2.10mm)
Package / Case:	1608 (4021 Metric), Concave
Mounting Type:	Surface Mount
Voltage - Rated:	25V
Applications:	Data Lines for Mobile Devices
Operating Temperature:	-25°C ~ 85°C
ESD Protection:	No
Values:	R = 100 Ohms, C = 47pF
Series:	EZAST
Attenuation Value:	--
Center / Cutoff Frequency:	--
Number of Channels:	4
Technology:	RC (Pi)
Filter Order:	4th
Type:	Low Pass
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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EMI/RFI Filters (LC, RC Networks)Electromagnetic interference (EMI) and radio-frequency interference (RFI) are two major sources of signal distortion and noise in modern electronic systems. To minimize the effect of EMI and RFI, EMI/RFI filters are used to suppress the undesired high-frequency noise components. These filters are commonly divided into two categories – LC network filters and RC network filters. The EZA-ST32AAAJ filter is a type of RC network filter that is designed to reduce the electrical and magnetic noises generated by the system environment.The component parts of the EZA-ST32AAAJ filter include an in-line resistor, a capacitor, and other components. The resistor prevents the filter from becoming overloaded, while the capacitor allows high-frequency currents to pass through. Other components of the filter include a metal or plastic housing, as well as conductive elements such as metal strips, pads, or pins.The EZA-ST32AAAJ filter is typically used in AC power lines, data lines, switching power supplies, and other applications where high-frequency noise must be suppressed. In general, this filter is effective at reducing noise in the range of 100 MHz to 10 GHz.The working principle of the EZA-ST32AAAJ filter is based on its construction. The combination of the resistor and capacitor forms a low-pass filter, which allows low-frequency signals to pass through but attenuates high-frequency signals. This is accomplished by developing a voltage drop across the resistance at high frequencies, resulting in the reduction of amplitude of the high-frequency signals.The filter is also designed to minimize inductive coupling, which can occur when two or more conductors come into close proximity and can cause interference in the signal travel. This is accomplished by ensuring that the center conductor, which carries the signal, is surrounded by a screen, which serves to shield it from any inductive or capacitive pickup that could lead to noise in the signal.In addition to reducing EMI and RFI, this type of filter is also able to reduce the onset of saturation in the power line and provide a constant voltage to the component. This is due to the resistor that limits the amount of current that can pass through the filter, thereby creating a voltage drop, which reduces the amount of current that can pass through the filter core and prevents current overload.In conclusion, EMI/RFI filters such as the EZA-ST32AAAJ filter are essential components of any modern electronic system. They are designed to reduce EMI and RFI in the system environment, while also protecting the components from current overload and saturation.

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