5-CN4490-1.5S

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RFI and EMI shielding and absorbing materials can be used to protect electronic devices from electromagnetic radiation. 5-CN4490-1.5S is an example of such shielding and absorbing material. It is a conductive silicate loaded with Barium and Strontium oxides that is odorless and non-flammable.

The main applications of 5-CN4490-1.5S are:

• EMC shielding against low frequency electric and magnetic fields.
• EMI filtering of low frequency signals in communications systems.
• EMC applications where the main activity is conducted in open air.
• Electrostatic Discharge (ESD) protection.

The working principle of 5-CN4490-1.5S is through absorption rather than reflection of electromagnetic radiation. The material has a high relative dielectric constant, which helps it to absorb a wide range of frequencies. Upon absorption, the energy of the pulse is then dissipated as heat. In ESD protection, 5-CN4490-1.5S material acts as a Faraday Cage, spreading the charge over a wide area rather than allowing it to pass through the material.

In terms of physical properties, 5-CN4490-1.5S is available in various forms such as paper, film, tapes, mat and sheets. It has good flexibility, strength, and dielectric properties. It is also resistant to most solvents, chemicals, and fluids. In addition, the material has high physical strength, electrical conductivity, and resistance to solvents, temperatures and aging.

In conclusion, 5-CN4490-1.5S is an effective RFI and EMI shielding and absorbing material with several applications. It is versatile, durable and has excellent dielectric and physical properties. This material is suitable for use in open air EMC situations, EMI filtering, and ESD protection.

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