PEMI2STD/WT,115

Series:	PEMI2STD
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Low Pass
Filter Order:	2nd
Technology:	RC (Pi)
Number of Channels:	2
Center / Cutoff Frequency:	--
Attenuation Value:	--
Resistance - Channel (Ohms):	200
Values:	R = 200 Ohms, C = 23pF (Total)
ESD Protection:	Yes
Operating Temperature:	-40°C ~ 85°C
Applications:	Data Lines for Mobile Devices
Voltage - Rated:	--
Mounting Type:	Surface Mount
Package / Case:	SOT-665
Size / Dimension:	0.063" L x 0.047" W (1.60mm x 1.20mm)
Height:	0.024" (0.60mm)

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Introduction of EMI/RFI Filters

EMI/RFI filters are widely used in a variety of applications for the purpose of protecting electronic devices from interference or minimizing the amount of interference being generated. They enable the equipment to operate with minimal unwanted signals, thereby improving performance and reliability. The two main types of EMI/RFI filters are LC (inductor-capacitor) networks and RC (resistor-capacitor) networks. Each type of network has its own advantages and is suitable for different applications. This article provides an overview of the PEMI2STD/WT,115 application field and working principle of these two EMI/RFI filter types.

Application Field

PEMI2STD/WT,115 EMI/RFI filters are used in industries, including automotive, aerospace, defense, medical, telecommunications, and consumer electronics, to prevent high-frequency noise from entering or interfering with sensitive electronic components. It is most commonly used in applications where high immunity to noise is required, such as in systems with high levels of electromagnetic interference or radio frequency interference (EMI/RFI). Additionally, it is also suitable for applications in which low levels of noise must be tolerated, such as in audio systems.

Working Principle

The working principle of PEMI2STD/WT,115 EMI/RFI filters is based on the use of inductors and capacitors to create a high-frequency, miniature filter. The filter works by forming an "impedance wall" that results in a large impedance between the input and output circuits. This creates a barrier that prevents high frequency signals from entering, while still allowing lower frequency signals to pass through. The RC (resistor-capacitor) networks have slightly different working principles, since they contain resistors in addition to the inductor and capacitor elements. The resistors are used to control the amount of energy that is allowed to pass through the filter, while the capacitors are used to reduce or eliminate high-frequency noise.

Conclusion

In conclusion, PEMI2STD/WT,115 EMI/RFI filters are an important form of noise control and are used in a variety of industries to protect sensitive electronic devices from interference. These filters can be either LC (inductor-capacitor) networks or RC (resistor-capacitor) networks, depending on the application. In either case, the filter acts as an "impedance wall" that prevents high-frequency noise from entering the system, while still allowing lower frequency signals to pass through. This allows for improved performance and reliability of the equipment.

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