| Materials |
Fe-Ni-Mo alloy |
Fe-Ni alloy |
Fe-Si-Al alloy |
Fe-Si alloy |
| Nickel content |
80% |
50% |
0% |
0% |
| Finish |
Epoxy, Parylene-C, Plastic Case |
| Sizes |
From OD: 3.5mm to OD: 77.8mm |
| Core Color |
Gray |
Khaki |
Black |
Light Blue |
| Materials Code |
M |
H |
S |
F |
| Permeabilities(μ) |
26,60,125,147,
160,173,200 |
26,60,125,147,
160,173,200 |
26,60,75,90,125 |
60,90 |
| Flux Density(G) |
7000 |
15000 |
10000 |
16000 |
| Perm. Vs. DC bias |
Better |
Best |
Good |
Best |
| Core Loss |
Lowest |
Low |
Medium |
High |
| Density |
8.0g/㎤ |
7.5g/㎤ |
6.0g/㎤ |
6.5g/㎤ |
| Curie Temp.(℃) |
450℃ |
500℃ |
500℃ |
700℃ |
| Temp. Stability |
Better |
Best |
Good |
Best |
| Relative Cost |
Highest |
High |
Low |
Medium |
| Break-Down Voltage |
500V min. |
Magnetic
Characteristics |
Low hysteresis and eddy current Losses |
Excellent DC-Bias performance |
Much lower core losses than Iron powder cores |
Very high saturation flux density |
| Excellent inductance stability under high DC bias conditions |
Relatively low core losses |
Good DC Bias performance |
execllent DC Bias performance |
| Excellent temperature stability |
Large energy Storage Capacity |
Comparatively lower price among powder cores |
Low core losses compared to Fe-Si Laminations |
| High resistivity |
|
|
High energy storage capacity |
| Major Applications |
Low loss filter circuits |
PFC chokes |
PFC chokes |
PFC chokes |
| Transformers |
Switching regulator inductors |
Switching regulator inductors |
SMPS choke inductors |
| Loading coils |
In-line noise filters |
In-line noise filters |
Boost reactors |
| EMI/RF filters |
Output chokes |
Pulse transformers |
UPS coke inductors |
| Inductors |
|
Flyback transformers |
Switching regulator inductors |
