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MPP cores
Molybdenum Permalloy Powder cores (MPP) find the wide application in
electronic and electrical circuits where high Q-value of inductance's and long-term
stability of parameters are the critical factors. They effectively show their attractive
features as energy storage chokes in SMPS, as electronic ballasts in energy saving light
lamps, as inductive elements of various filters etc.
Material |
mi |
fc
MHz |
tgd/ m .10-3 |
Tkm.10-6,
1/ oC |
f
kHz |
Hm, A/m |
24 |
72 |
(-60 + 85)oC |
(-60 +155)oC |
MP 14 |
12...14 |
< 5.0 |
1000
3000 |
- |
20.0
50.0 |
- |
<120 |
MP 20 |
20 |
< 1.0 |
1000 |
- |
30.0 |
<120 |
- |
MP 60 |
60 |
< 0.3 |
30
100 |
12.0 |
5.9
12.9 |
- |
<100 |
MP 100 |
100 |
< 0.3 |
30
100 |
22.8 |
10.3
24.3 |
<100 |
<120 |
MP 140 |
140 |
< 0.1 |
30
100 |
48.5 |
20.0
51.5 |
<120 |
<150 |
MP 160 |
160 |
< 0.1 |
30
100 |
105.0 |
37.5
108.0 |
<150 |
<180 |
MP 250 |
250 |
< 0.03 |
30 |
45.0 |
50.0 |
<200 |
<250 |
MP 300 |
300 |
< 0.01 |
5 |
50.0 |
- |
- |
<300 |
High Flux cores
High Flux cores are based on permalloy material with 50% Ni
compared with 81% Ni for molypermalloy.
They feature high saturation flux density of 15.000 G vs. 7.000 G for MPP cores and are
ideal for in-line filters and for pulse chokes where they demonstrate high energy storage.
Material |
mi |
fc
MHz |
tgd/ m .10-3 |
Tkm.10-6,
1/ oC |
f
kHz |
Hm, A/m |
24 |
72 |
(-60 + 85)oC |
(-60 +155)oC |
MHF 14 |
12...14 |
< 5.0 |
1000
3000 |
- |
20.0
50.0 |
- |
<120 |
MHF 20 |
20 |
< 1.0 |
1000 |
- |
30.0 |
<120 |
- |
MHF 60 |
60 |
< 0.3 |
30
100 |
12.0 |
5.9
12.9 |
- |
<100 |
MHF 125 |
125 |
< 0.3 |
30
100 |
31.3 |
16.3
34.3 |
<100 |
<120 |
MHF 147 |
147 |
< 0.1 |
30
100 |
58.5 |
30.0
61.5 |
<120 |
<150 |
MHF 160 |
160 |
< 0.1 |
30
100 |
105.0 |
37.5
108.0 |
<150 |
<180 |
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