MAST Technologies’ Low Frequency Absorber product series is a magnetically loaded sheet stock having high loss at sub-microwave frequencies. Low Frequency Absorbers are designed with shaped magnetic particles which exhibit high permeability at frequencies from 1 MHz to 3 GHz. The Low Frequency Absorber product line is the thinnest of the MR series products, with standard thicknesses of 0.006” and 0.020”; other thicknesses and configuration as available.
Electrical Performance: 
The performance plot below shows the performance of several of our tuned frequency materials.
| Typical Applications Traveling, creeping, surface wave absorption Resonant Cavity Attenuation EMI Reduction Mounted to an IC on a PCB Mounted directly on a microstrip High Frequency Interference Inside a shielding can |
Standard Products (click for product page) or View All MR5 Products
| Part Number | Thickness (in/mm) | Permeability (@ 100 MHz) |
| MR51-0001-00 | 0.006/0.15 | μ' = 32 |
| MR51-0002-00 | 0.020/0.5 | μ' = 32 |
| MR51-0003-00 | 0.010/0.25 | μ' = 32 |
| MR51-0006-00 | 0.040/1.0 | μ' = 32 |