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2.5T Advantage: Higher impedance at high frequencies (e.g., 800Ω @100MHz for R6H-03 vs. 600Ω for R6H-04). Ideal for >80MHz noise suppression in wireless communications or switch-mode power supplies.
3T Strength: Better mid-frequency damping (e.g., 800Ω @25MHz vs. 600Ω for 2.5T). Suitable for sub-50MHz applications like DC/DC converters.
3T Limitation: Higher DC resistance (DCR) and rapid current derating. At 3A, 3T coils suffer ~35% impedance drop due to core saturation.
2.5T Optimization: Lower DCR and stable current handling up to 2A (e.g., R6H-03 supports 2.5A typ. saturation current).
| Parameter | 2.5T | 3T |
|---|---|---|
| Best Frequency | >80MHz | <50MHz |
| Impedance @100MHz | 550–800Ω | 500–600Ω |
| Current Stability | -20%@3A | -35%@3A |
| Use Cases | 5G/WiFi power lines, automotive radars | Industrial DC/DC converters, motor drives |
Use this decision flow:
*Tip: For automotive EMC (AEC-Q200), prioritize 2.5T in ECU power lines to combat engine ignition noise.*
Neither 2.5T nor 3T Ferrite Bead Inductor is universally "better." The 2.5T dominates high-frequency EMI scenarios, while 3T suits moderate-frequency, lower-current designs. For custom R6H series solutions (e.g., 1.5×2T hybrids), contact engineers at sales@ferrtx.com.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.