3M CN3190 0.5" X 0.75"-250

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The 3M CN3190 0.5" x 0.75"-250 is a EMI/RFI shielding and absorbing material designed to protect electrical and electronic components from interference and noise. It is made of a combination of lead-free aluminum and elastomeric materials, and is designed to meet the EMI/RFI shielding requirements of MIL-DTL-83528, MIL-DTL-45408, and other standards.

The CN3190 0.5" x 0.75"-250 is designed for a variety of applications including automotive, military, aerospace, medical, and telecommunications. In automotive applications, it can be used for EMI/RFI shielding of both interior and exterior vehicle components, as well as for noise and vibration dampening. In military and aerospace applications, it can be used for EMI/RFI shielding of radar systems, communications systems, computers, and other electronics. The material can also be used in medical applications for patient monitoring and diagnostic imaging, and in telecommunications applications such as radio frequency identification (RFID) and cell phone networks.

The CN3190 0.5" x 0.75"-250 has an operational temperature range of -67°F to 250°F (-55°C to 120°C) and maintains performance in temperatures up to 250°F (121°C). It is rated for 10 dB minimum of attenuation of electromagnetic interference (EMI) over its operating frequency range, and for 30 dB minimum of absorption of radio frequency interference (RFI). It has a wide range of absorbency and shielding capabilities, and has an extremely low leak rate. This makes it an ideal choice for a variety of applications.

The CN3190 0.5" x 0.75"-250 works by creating an electromagnetic barrier that blocks EMI/RFI from the environment. The aluminum provides a conductive “ground plane” which acts as an EMI/RFI shield, while the elastomeric material absorbs any energy and dissipates it in the form of heat. The layer of conductive material surrounding the elastomeric material increases the effectiveness of the EM/RF shielding. The aluminum layer also helps to reduce any signal reflection.

In addition to its EMI/RFI shielding capabilities, the CN3190 0.5" x 0.75"-250 also has noise dampening and vibration dampening properties. The elastomeric material helps absorb and dissipate the vibrations and acoustic noise thus reducing the risk of damage to components, as well as eliminating any unwanted noise from the environment.

The 3M CN3190 0.5" x 0.75"-250 is an effective EMI/RFI shielding and absorbing material that can be used in a variety of applications. Its high level of shielding and absorbing capabilities, combined with its wide operating temperature range and low leak rate makes it an ideal choice for EMI/RFI protection of electrical and electronic components.

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