EFA(02)-240X240 vs 3M AB5100HF 2.06" X 4"-5
| 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 | 3M (TC) |
| Description | FLEX SUPP. SHEET 240X240X0.2 | EMI ABSORBER 2.06"X4" 5/ROLL |
| Package | - | - |
| Series | EFA | AB5100HF |
| Type | Absorbing Sheet | Absorbing Sheet |
| Operating Temperature | -40°C ~ 105°C | -25°C ~ 85°C |
| Shape | Square | Rectangular |
| Length | 9.449" (240.00mm) | 4.000" (101.60mm) |
| Width | 9.449" (240.00mm) | 2.060" (52.32mm) |
| Thickness - Overall | 0.008" (0.20mm) | 0.039" (1.00mm) |
| Material | Polymer Resin, Magnetic Powder | Polymer Resin, Metal Flakes |
| Adhesive | - | Non-Conductive, Single Sided |
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1. 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. -
2. 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.
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3. How are shielding effectiveness and absorption measured?
Shielding effectiveness: Measured in decibels (dB), indicating how much interference is blocked.
Absorption: Tested by the material's ability to dissipate electromagnetic energy. -
4. What emerging trends are shaping the RFI/EMI shielding industry?
Development of lightweight, flexible shielding materials for wearable and IoT devices.
Nanotechnology-based coatings for improved shielding efficiency.
Environmentally friendly, recyclable materials.
Enhanced shielding for higher frequencies used in 5G and mmWave applications.
