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Absorbing Material EMI Absorber Sheet With Tape
Unlike shielding material, EMI Absorber tape are electrically non-conductive and safe to be applied on a PCB without short-circuiting. It can blanket the noise source to attenuate the EMI RF emission or to protect the sensitive IC’s from other noise source to ensure their proper performance. While shielding material tries to confine the EMI noise from leaving the enclosure to satisfy FCC regulations, the EMI RF, confined within the enclosure (standing wave), will sometimes affect the performance of other critical IC circuitry. EMI absorbers attenuate the RF by changing it into heat energy which dissipates in an instant. With EMI absorbers, magnetic metal particles are suspended in an elastomeric, such as epoxy or silicone, sometimes in a strategic array. Some are designed to be wide-range frequency absorbers, high frequency absorbers, or low frequency absorbers to suit the need. Combination of type of magnetic metal particles, their size, density, and thickness of the absorber can determine the effectiveness and frequency range. Some are designed to be most effective at a specific frequency.
Absorbing material EMI Absorber Sheet with Tape
Ns series EMI absorber tape consists of a flexible rubber filled with soft magnetic metal powders. It can suppress noise radiated from electronic devices across a wide frequency range. An acrylic pressure-sensitive adhesive allows for easy application. The flexible sheet can be easily cut into complex shapes.
| Product type | NS30 | NS45 |
| Materials | Alloy powders + Polymer | |
| Application frequency range (GHz) | 0.1~6.0 | |
| Thickness(mm) | 0.1~1.0 | |
| Standard packaging (mm) | 200×300 per Roll or Sheet | |
| Density (g/cm^3） | 3.1 | 3.2 |
| Initial Permeability (@1MHz) | 30 | 45 |
| Attenuation (dB) | Reflection Loss and Transmission loss, Refer to the Graph | |
| Temperature range （℃〉 | -40 to 100 | |
| Surface resistivity <Ω> | 1000000 | |
| Environment | RoHS Compliance | |
| Halogen Free& PVC-Free | ||
Notes: 1. The data is for absorber layer only, the typical thickness of adhesive tape is about 0.03~0.05mm, can be adjusted according to request.
Absorbing material EMI Absorber Sheet with Tape
