| Allicdata Part #: | 732-10686-ND |
| Manufacturer Part#: |
390105/1000 |
| Price: | $ 145.53 |
| Product Category: | RF/IF and RFID |
| Manufacturer: | Wurth Electronics Inc. |
| Short Description: | WE-LS CONDUCTIVE FOAM |
| More Detail: | N/A |
| DataSheet: |  390105/1000 Datasheet/PDF |
| Quantity: | 22 |
| 1 +: | $ 132.30000 |
| 5 +: | $ 123.48000 |
| 10 +: | $ 119.07000 |
| 20 +: | $ 114.66000 |
Specifications
| Series: | WE-LS |
| Part Status: | Active |
| Type: | Conductive Foam Sheet |
| Shape: | Sheet |
| Length: | 39.37" (1m) |
| Width: | 39.37" (1m) |
| Thickness - Overall: | 0.020" (0.50mm) |
| Operating Temperature: | -25°C ~ 85°C |
| Adhesive: | -- |
Description
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RFI and EMI - Shielding and Absorbing Materials is a subset of materials that are used in the shielding, absorbing, and attenuation of electromagnetic energy. Through the use of a combination of materials like metals, polymers, ceramics, fabrics, and rubber, various levels of shielding can be achieved. These materials can be used to impede, block, redirect, or absorb unwanted electromagnetic interference (EMI) that may interfere with other existing systems. The 390105/1000 application field and working principle is mainly applicable to providing shielding and absorption for RF and electromagnetic radiation and fields. This subset of materials behaves differently under active and non-active RF fields, displaying different behaviors such as shielding, absorption, and attenuation of the electromagnetic energy. For shielding, appropriate materials are employed to form a barrier that blocks or redirects the incident EM energy from entering or exiting a certain point. For absorption, special materials such as dielectrics and absorber materials can be used to absorb broadly across different spectrum bands and convert the energy into heat and dissipate it. For attenuation, materials like conductors and metal grids are used to counteract the strength of the EM field in order to reduce the overall field. In many cases, a combination of multiple shielding and absorbing materials is the most effective way to gain the desired shielding or absorption results. The main goal for combining certain materials is to get a desired level of shielding and/or absorption of electromagnetic radiation from different frequency ranges. For example, a composite material that is composed of varying layers of conductive fabrics, dielectric materials, and metal grids is known to provide a multitude of EM shielding and absorption over a broad frequency range. For effective absorption and shielding of RF and electromagnetic energy, different materials must be applied as a faraday cage around a certain equipment or component of interest. A Faraday cage, sometimes also referred to as an RF shield, is a metallic enclosure or structure used to redirect or absorb the electromagnetic energy in order to protect the interior from electromagnetic radiation or interference. In many cases, a layer of metal mesh can be used to create an effective Faraday cage, but in some cases, the more complex architectures such as the composed shielding materials mentioned above are necessary. The 390105/1000 application field and working principle can also be used to protect against other forms of electromagnetic interference. Depending on the type of shielding material, it can be used for various types of shielding applications. For example, metal mesh is commonly used to protect against RF radiation while conductive fabrics and rubberized coats are often used for protection against electrical noise and heat. Various standards have been established in order to define the performance requirements of shielding and absorbing materials. Many of these standards refer to materials in terms of shielding effectiveness (SE) and absorption effectiveness (AE). Shielding effectiveness is measured in decibels (dB) and indicates the effectiveness of the shielding material to reduce the electromagnetic field intensity relative to its original strength. Absorption effectiveness is also measured in decibels and indicates the effectiveness of the material to absorb the incident EM energy, thus reducing the standing wave ratio and interfering fields. Overall, these different factors must be taken into consideration when selecting a shielding or absorbing material. In many cases, testing is necessary in order for a material to meet the desired requirements, and in some cases, composite materials must be designed and tested in order to meet the exact specifications. With the proper selection of shielding and absorbing materials, it is possible to protect equipment and components from RF and electromagnetic interference. Depending on the requirements, various materials can be employed to provide varying levels of protection, shielding, and absorption. With the 390105/1000 application field and working principle, the field of RF and EMI- shielding and absorbing materials can provide the necessary shielding characteristics as well as absorption for various types of equipment and components.
The specific data is subject to PDF, and the above content is for reference
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