PSM1-402Z-02T2

Current:	2A
Height:	0.118" (3.00mm)
Size / Dimension:	0.315" L x 0.118" W (8.00mm x 3.00mm)
Package / Case:	3-PSM
Mounting Type:	Surface Mount
Voltage - Rated:	--
Applications:	Data Lines for Mobile Devices
Operating Temperature:	-55°C ~ 125°C
ESD Protection:	No
Values:	C = 4000pF
Series:	PSM
Resistance - Channel (Ohms):	--
Attenuation Value:	--
Center / Cutoff Frequency:	--
Number of Channels:	1
Technology:	LC (Pi)
Filter Order:	3rd
Type:	Low Pass
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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IntroductionElectromagnetic interference (EMI) and radio frequency interference (RFI) filters are used to protect sensitive circuits from interference that may be caused by external and/or internal sources of radiated and conducted electromagnetic energy. They are available in a variety of types, including LC (inductors and capacitors) and RC (resistors and capacitors) networks. The PSM1-402Z-02T2 is a type of EMI/RFI filter, and this article will discuss its application field and working principle.Application FieldThe PSM1-402Z-02T2 EMI/RFI filter is designed for use in a broad range of applications, including power electronics equipment, including motor drives, power supplies, UPS systems, and telecommunication equipment. It offers high levels of common and differential mode noise suppression, and electromagnetic compatibility (EMC) over a wide frequency range. The filter is also suitable for use in other electronics systems such as medical equipment, industrial control systems, automotive electronics, and aerospace systems.Working PrincipleThe PSM1-402Z-02T2 EMI/RFI filter consists of a combination of an inductor and capacitor network. The inductors interact with the capacitors to control the frequency of the alternating current (AC) voltage signal being passed through the filter. The inductors provide impedance (resistance) to high-frequency signals and can reduce the amount of noise generated in the circuit. The capacitors, on the other hand, provide resistance to low-frequency signals and can filter out any noise generated by these signals. The filter also includes a resistor network to reduce the amount of noise generated by the circuit. The resistors provide an impedance (resistance) to the AC voltage that can reduce the amount of current that can flow through the circuit. This reduces the amount of noise generated in the circuit. In addition, the filter includes an EMC/RFI shield to reduce the amount of radio frequency interference (RFI) that is generated by sources external to the filter. The shield reduces the amount of RFI that is generated from external sources and can also prevent the RFI from entering the circuit.ConclusionThe PSM1-402Z-02T2 is a type of EMI/RFI filter designed for use in a variety of applications across many industries. Its combination of inductor, capacitor, and resistor networks provides high levels of noise suppression, as well as good electromagnetic compatibility. It also includes an EMC/RFI shield to reduce the amount of interference generated by sources external to the filter.

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