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RTMPP (Molybdenum Permalloy Powder) toroidal cores


Molybdenum Permalloy Powder (RTMPP) cores provide the maximum Q and lowest core losses. MPP is HIGHLY stable with respect to temperature and ac flux patterns. It has the widest range of permeability and is considered the premium material for direct current output inductors of SMPS. It is suitable well into the megahertz range of frequencies. MPP cores are an excellent choice for precision audio frequency tuned circuits, High Q filters, Loading Coils, RFI filters, Fly-back transformers and for many other precision inductor applications.

Feryster Company is official distributor of Micrometals Arnold Powder Cores. The table below shows the Super-MSS sample list which Feryster Company has on its stock, in enough quantities for building prototype applications. They are available for all our customers. For all interested in Arnold cores, we offer the newest free catalogs. Designers can download Micrometals Arnold Powder Cores Software dedicated to design inductors based on Arnolds iron powder cores.
See also Super-MSS and RTHF Micrometals Arnold Powder Cores.

CoreInitial permeability
26
Initial permeability
60
Initial permeability
125
Initial permeability
147
Initial permeability
160
Initial permeability
173
Outside diameter
MP 0.500¨ - MP-050060
AL=27
MP-050125
AL=56
MP-050147
AL=67
- MP-050173
AL=79
12.70mm
MP 0.655¨ - MP-065060
AL=36
MP-065125
AL=72
MP-065147
AL=88
- MP-065173
AL=104
16.64mm
MP 0.800¨MP-080026
AL=14
MP-080060
AL=32
MP-080125
AL=68
- - MP-080173
AL=96
20.32mm
MP 0.900¨MP-090026
AL=19
MP-090060
AL=43
MP-090125
AL=90
- - MP-090173
AL=124
22.86mm
MP 1.060¨MP-106026
AL=32
MP-106060
AL=75
MP-106125
AL=157
- MP-106160
AL=201
- 26.92mm
MP 1.300¨MP-130026
AL=28
MP-130060
AL=61
MP-130125
AL=127
MP-130147
AL=150
- - 33.02mm
MP 1.410¨MP-141026
AL=24
MP-141060
AL=56
MP-141125
AL=117
MP-141147
AL=138
- - 35.81mm
MP 1.570¨MP-157026
AL=35
MP-157060
AL=81
MP-157125
AL=168
- - - 39.88mm

Examples of RTMPP characteristics.


Toroidal MPP cores


Toroidal MPP cores


Toroidal MPP cores


Toroidal MPP cores


Toroidal MPP cores


Toroidal MPP cores


Rdzenie toroidalne MP


Conversion table
QuantityTo ConvertMultiply By
FromTo
Magnetic Flux Density
B
Gausses (CGS)Teslas (SI)104
Magnetizing
H
Oersteds (CGS)Amperes per Meter (SI)

1000/(4Π)

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