Nanocrystalline vs Ferrite for EMI Filters: A Technical Comparison
Understanding the performance differences between nanocrystalline and ferrite cores for electromagnetic interference suppression applications.
Material Properties Comparison
| Property | Nanocrystalline | Ferrite |
|---|---|---|
| Initial Permeability | 15,000 - 100,000 | 2,000 - 15,000 |
| Frequency Range | DC - 1 MHz | 1 kHz - 100 MHz |
Application Guidelines
Choose Nanocrystalline When:
- • Operating frequency below 100 kHz
- • High DC bias current present
- • Compact design required
Choose Ferrite When:
- • Primary interference above 1 MHz
- • Cost optimization critical
- • High-volume production
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