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EMI, Filter Kits
EMI filters are passive components designed to suppress and reduce unwanted EMI noise from currents that interfere with other electronic equipment. The EMI Filter Kit comes in a convenient compartmentalised package for quick reference and easy identification. It is ideal for engineers and lab technicians as it contains all the components needed to build an EMI filter.
What are the typical uses of the filter kit?
There are various applications for these highly reliable EMI filters, including:
- EMI Filter Kits provide a convenient way to configure a variety of filter designs used for testing before the final design is complete.
- EMI filtering is essential for almost all modern electronic devices, including those that generate their own EMI and those that are sensitive to EMI in their environment. It is the best choice for low-power signal equipment with stringent noise requirements and signal fidelity.
- High-reliability EMI filters are designed to meet or exceed performance requirements consistently and are essential to any industry where the cost of failure is high. For example, many medical, military, and defense applications rely on high-reliability filters to ensure patient and soldier safety or to accurately transmit and receive signals necessary for mission success.
- High-reliability filters also play an essential role in many commercial applications, such as instrumentation, where sensitivity to low-power signals in noisy environments is required.
The other most common areas are:
- Wireless equipment
- Computers
- Power source
- Medical equipment
Recommended Practices for Installation:
It is crucial to consider the following practices when installing the filters, including:
- Always disconnect power and control cables.
- Route all conductors to the panel as close as possible.
- Keep the driver's input and output cables disconnected.
- Physically separate the filter’s input and output conductors.
- Use shielded wiring whenever possible.
- Use a single ground (connect system ground to the filter).
Parameters for EMI Compliance:
Install the filter to the power’s entry point as close as possible for EMI compliance. The baffles create good input and output isolation by mounting filters to the chassis at the power supply entry point with appropriate shielding.
Is there any disadvantage to EMI?
EMI can disrupt device operation and cause unintended operation. Depending on the severity of the interruption, EMI can affect the quality of the signal received by the device, cause component failure, or cause temporary or permanent damage to electronic devices.
Enrgtech offers a range of high-quality and reliable EMI filter kits from leading brands, including Wurth Elektronik and RS Pro.
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4400-901, Tusonix a Subsidiary of CTS Electronic Components
