Car Audio Amorphous Choke Core
Car Audio Amorphous Choke Core
The magnetic core is wound using amorphous ribbon, offering high saturation magnetic flux density. Through specialized heat treatment process, it achieves constant permeability characteristics within a specific frequency range.
Performance & Characteristics
1. Non-Gap Amorphous Inductor – High saturation magnetic flux density, low coercivity, and a wide constant permeability range.
2. Reduced Magnetic Leakage – Eliminates leakage interference caused by amorphous cut-core inductors.
3. Excellent Frequency Characteristics – Low core loss and stable performance across various frequencies.
4. Cost-Effective – Low-cost and competitively priced.
Application areas:
Mainly used for EMC car audio anti-interference, PFC, differential mode filter and smooth output filter
Grade | Core dimensionsOD×ID×HT[mm] | Finish dimensionsOD×ID×HT[mm] | Magnetic circuitlength[cm] | Afe[cm²] | Weight[g] |
AOC 100605 | 9.8×6.5×4.5 | 11.2×5.1×5.9 | 2.55 | 0.06 | 1.2 |
AOC 120805 | 12×8×4.5 | 13.8×6.3×6.5 | 3.14 | 0.08 | 1.7 |
AOC 161008 | 16×10×8.0 | 18.2×8.3×10.3 | 4.08 | 0.20 | 6.0 |
AOC 191005 | 18.5×10×5.0 | 20.8×8.0×6.8 | 4.47 | 0.25 | 5.8 |
AOC 181108 | 18×11×8.0 | 19.8×8.8×9.7 | 4.55 | 0.23 | 7.8 |
AOC 181110 | 18×11×10 | 19.8×8.8×11.9 | 4.55 | 0.29 | 9.8 |
AOC 201208 | 20×12×8.0 | 21.8×10.6×10 | 5.02 | 0.27 | 9.9 |
AOC 201005 | 20×12×5.0 | 22×10×7 | 5.02 | 0.17 | 6.1 |
AOC 201210 | 20×12×10 | 21.8×10.6×12 | 5.02 | 0.34 | 12.3 |
AOC 221310 | 21.5×13.2×10 | 24×11.5×12.9 | 5.44 | 0.35 | 13.9 |
Production Steps
Insulation Systems
- Cobalt-iron alloys: based on magnesium oxide (MgO)
- Nickel-iron alloys: based on zirconium oxide (ZrO) = HITCOAT, developed and patented by VAC
Gluing Technologies developed by VAC
- Standard adhesive K-01 for maximum package density
- High temperature adhesive HT-01 for applications up to 200 °C
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