ACH4518-103-TD01 Filters

Series:	ACH
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Type:	Low Pass
Filter Order:	3rd
Technology:	LC (T-Type)
Number of Channels:	1
Center / Cutoff Frequency:	--
Attenuation Value:	25dB @ 15MHz ~ 75MHz
Resistance - Channel (Ohms):	0.06
Current:	2A
Values:	--
ESD Protection:	No
Operating Temperature:	-40°C ~ 125°C
Applications:	General Purpose
Voltage - Rated:	50V
Mounting Type:	Surface Mount
Package / Case:	1812 (4532 Metric), 3 PC Pad
Size / Dimension:	0.071" L x 0.177" W (1.80mm x 4.50mm)
Height:	0.138" (3.50mm)

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Introduction:
EMI/RFI filters (LC, RC networks) are a critical component in any electrical system, providing protection from unwanted signals. The ACH4518-103-TD01 is a high-performance EMI/RFI filter designed to meet the strict requirements of industrial, military and other applications. This article will provide an overview of the application field and working principle of the ACH4518-103-TD01.Application Field and Uses:
The ACH4518-103-TD01 is designed for use in military and industrial applications, providing protection from unwanted signals. This filter can be used for both receive and transmit signals, helping to reduce interference from other sources. Additionally, the ACH4518-103-TD01 can be used in applications that require a high level of attenuation, such as telecommunications and medical imaging systems. The ACH4518-103-TD01 can also be used in high vibration environments, as it is designed to accurately maintain frequency response even after prolonged vibration. This makes it suitable for applications in harsh industrial environments.Working Principle:
The ACH4518-103-TD01 is a combination of both reactive components (e.g. inductors and capacitors) and non-reactive components (e.g. resistors and diode bridges). This combination helps to provide an effective and reliable filtering solution. The reactive components work together to form a Low Pass, High Pass, Band Stop or Band Pass filter, depending on the frequencies of the signals that need to be filtered. The inductors in the filter are designed to provide the initial rejection from unwanted signals. They act as a block, or impedance, to any signals outside of the frequency range that is desired to pass through. The capacitors in the filter also contribute to the impedance of unwanted signals, however their main purpose is to control the frequencies that are able to pass through the filter, thus allowing only the desired signals to pass. The non-reactive components are used to reduce the amount of passing power in the filter, while providing an overall greater level of attenuation for the signals that do pass through. These components, along with the reactive components, help to provide a more effective filtering solution that is more reliable than a single reactive component. Conclusion:
The ACH4518-103-TD01 is a high performance EMI/RFI filter designed for use in military, industrial and other applications where a high degree of signal protection is required. This filter is formed from a combination of reactive and non-reactive components, which together provide reliable and effective filtering of unwanted signals. This makes it ideal for applications such as communications, medical imaging systems, and harsh industrial environments.

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