SSM1-152P-05T1

Current:	5A
Height:	0.087" (2.20mm)
Size / Dimension:	0.315" L x 0.083" W (8.00mm x 2.10mm)
Package / Case:	Pill, Square
Mounting Type:	Surface Mount
Voltage - Rated:	100V
Applications:	Data Lines for Mobile Devices
Operating Temperature:	-55°C ~ 125°C
ESD Protection:	No
Values:	C = 1500pF
Series:	SSM
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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SSM1-152P-05T1 EMI/RFI Filters (LC, RC Networks)

EMI/RFI filters are an essential component in the design and development of electronic systems. Their purpose is to prevent electro-magnetic interference (EMI) and radio-frequency interference (RFI) from reaching sensitive electronic components and adversely affecting their operation or function. The SSM1-152P-05T1 is an EMI/RFI filter that utilizes LC, RC networks, providing continuous-mode filter performance in an extremely small package. This article aims to describe the application fields and working principles of the SSM1-152P-05T1 in detail.

Application Field of the SSM1-152P-05T1

The SSM1-152P-05T1 offer up to 40 dB of RF attenuation across the widest range of frequencies and provide EMI/RFI filtering with high levels of insertion loss. The filters are suitable for many industrial, military, and commercial applications such as DC-DC converters, television, radio, audio amplifiers, and power supplies. These filters are specifically designed to suppress high frequency signals between 150 kHz and 9000 kHz, and are extremely small which allows them to be integrated into existing circuits with minimal redesign. The SSM1-152P-05T1 is available in a wide variety of packages to meet the space requirements of most applications.

Working Principle of the SSM1-152P-05T1

The SSM1-152P-05T1 utilizes LC, RC networks for EMI/RFI filtering. This type of filter uses inductors (L) and capacitors (C) to create a tuned line which will reduce the amplitude of signals above the tuning frequency, while allowing those below the frequency to pass through. The filter also uses series resistors (R) in order to create a low pass filter which will reduce high frequency signals. The filter also features a ferrite bead which acts as an additional inductor to further reduce the amplitude of high frequency signals. Together, these components form a self-resonating network which attenuates high frequency signals while maintaining low frequencies.

Performance of the SSM1-152P-05T1

The SSM1-152P-05T1 filter offers excellent RF attenuation, with up to 40 dB of shielding at frequencies between 150 kHz and 9000 kHz. The filter has a low pass characteristic, meaning that signals above 9000 kHz are attenuated significantly while signals below 150 kHz are unaffected. The filter also features a self-resonant frequency of 250 MHz, allowing for very sharp attenuation curves. Additionally, the filter exhibits excellent insertion loss characteristics, with low levels of insertion loss both at DC and AC frequencies.

Conclusion

The SSM1-152P-05T1 is an excellent choice for EMI/RFI filtering at frequencies within the range of 150 kHz and 9000 kHz. It utilizes LC, RC networks to provide a continuous-mode filter with excellent attenuation properties and low insertion loss. The filter also features a ferrite bead for additional inductance and features a self-resonant frequency of 250 MHz. The filter is suitable for a variety of applications and is available in a myriad of packages to meet any space requirement.

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