EFA(02)-240X240 vs FFAM0252*2
| Part Number |
-240X240.jpg)
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| Category | RFI and EMI - Shielding and Absorbing Materials | RFI and EMI - Shielding and Absorbing Materials |
| Manufacturer | KEMET | API Delevan Inc. |
| Description | FLEX SUPP. SHEET 240X240X0.2 | ADHESIVE FERRITE ABSORBENT MATER |
| Package | - | - |
| Series | EFA | FFAM |
| Type | Absorbing Sheet | Flexible Ferrite Sheet |
| Operating Temperature | -40°C ~ 105°C | -55°C ~ 125°C |
| Shape | Square | Square |
| Length | 9.449" (240.00mm) | 7.874" (200.00mm) |
| Width | 9.449" (240.00mm) | 7.874" (200.00mm) |
| Thickness - Overall | 0.008" (0.20mm) | 0.010" (0.25mm) |
| Material | Polymer Resin, Magnetic Powder | Ferrite Powder |
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1. What are common types of shielding materials?
Metals: Copper, aluminum, and steel for enclosures and cables.
Conductive coatings: Used on plastic housings.
Conductive fabrics or meshes: Flexible options for shielding irregular shapes.
Carbon-based materials: Lightweight options for EMI shielding in modern applications. -
2. What are the typical applications of RFI and EMI shielding materials?
Consumer electronics: Protect circuits in phones, tablets, and laptops.
Automotive systems: Prevent interference in electric vehicles and sensors.
Medical devices: Shield sensitive equipment like MRI machines.
Military and aerospace: Ensure reliability in radar and communication systems. -
3. What factors influence the selection of shielding materials?
Frequency range: The effectiveness depends on the material's ability to block specific frequencies.
Conductivity and permeability: Higher values improve shielding performance.
Environment: Resistance to corrosion, heat, or chemicals may be necessary.
Weight and flexibility: Important for mobile and compact devices. -
4. What is the role of gaskets and seals in EMI shielding?
Gaskets and seals ensure continuous contact between shielded components, preventing leaks in electromagnetic enclosures. Common materials include conductive elastomers and fabric-over-foam.
