Property (Symbol) unit | Division | Initial Permeability (µi) | Saturation Flux Density (Bsat) gauss | Loss Factor [@Frequency] (tanδ/µi) 10-6 | Curie Temp. (Tc) °C | Volume Resistivity (Ω-cm) ρ | Recommended Frequency (f) MHz | Application Area | Available As | Data Sheet |
---|---|---|---|---|---|---|---|---|---|---|
R (aka FRX F) | NMG/FRX | 450 | 1600 | <100 [2.5MHz] | 90 | 108 | 10-500 | filter, transformer | pressed | R |
P | NMG | 600 | 2800 | <25 [0.2MHz] | 150 | 102 | 0.05-3 | antenna, filter, transformer | pressed extruded machined | P |
MN95 | CMI | 1000 | 5000 | <16 [0.2MHz] | 275 | 2500 | 0.05-0.5 | suitable for high DC Bias, filter chokes, operates at up to 500 kHz, PL optimized for higher temperature use | pressed machined | MN95 |
MN98 | CMI | 1100 | 4800 | <16 [0.2MHz] | 265 | 5000 | 0.05-0.5 | operates at up to 500 kHz and 230 °C, specialized for down-the-hole oil well applications | pressed machined | MN98 |
MN67 | CMI | 1100 | 5250 | <35 [0.2MHz] | 285 | 250 | 0.1-1 | high Bs and high Tc allow use in extreme ambient conditions such as down-hole oil drilling and military power systems | machined | MN67 |
MN92 | CMI | 1200 | 4800 | <25 [0.2MHz] | 275 | 325 | 0.1 | optimized for 100 kHz, 125 °C; high Bs designed for electric car applications | pressed machined | MN92 |
MN8TC | CMI | 1900 | 4600 | <10 [0.1MHz] | 185 | 103 | 0.1-0.3 | relatively linear change in permeability at low temperatures | pressed machined | MN8TC |
M20 | NMG | 2000 | 4700 | <15 [0.1MHz] | 210 | 102 | .05-0.2 | antenna, filter, transformer | pressed extruded | M20 |
MN80 | CMI | 2050 | 4900 | <15 [0.2MHz] | 230 | 1600 | 0.05-1 | can be used from 100 kHz to 1 MHz, PL optimized for higher temperature use | pressed machined | MN80 |
MN90 | CMI | 2500 | 4200 | <15 [0.2MHz] | 215 | 4000 | 0.1 | medium frequency power ferrite, optimized for 100 kHz and 80 °C | pressed machined | MN90 |
M25 | NMG | 2500 | 4700 | <5 [0.1MHz] | 210 | 103 | 0.1-0.5 | power conversion | machined | M25 |
MN8CX (aka NMG M29) | CMI/NMG | 3100 | 4500 | <375 [1MHz] | 195 | 1200 | 0.1-2 | power ferrite for the 1 MHz range | pressed machined | MN8CX |
MN30 | CMI | 4300 | 4400 | <8 [0.1MHz] | 170 | 150 | 0.1-0.3 | wide uses from antenna elements to transformers | pressed machined | MN30 |
B (aka CMI BT100) | FRX/CMI | 5000 | 4500 | <15 [0.1MHz] | 165 | 102 | 0.01-1 | high ui, Bs and low PL suitable for wide band, filter and pulse applications | pressed | B |
M | FRX | 5000 | <1600 [0.1MHz] | 145 | 102 | 0.1-0.5 | pressed | call for info. | ||
MN60 | CMI | 6500 | 4500 | <12 [0.1MHz] | 170 | 500 | 0.1-0.3 | high ui and generally stable allowing use in many applications such as pulse transformers, power inverters, and display yokes | pressed machined | MN60 |
L (aka CMI MC25B) | FRX/CMI | 7500 | 3700 | <7 [0.01MHz] | 105 | 30 | 0.01-0.1 | high temperature stability suitable for wide band, filter and pulse applications | pressed (OD < 0.500) | L |
MN100 | CMI | 9000 | 4700 | <15 [0.1MHz] | 170 | 200 | 0.01-0.1 | higher ui version of MN60 with a narrow BH loop is designed for high voltage devices, pulse transformers and shielding. | machined | MN100 |
T | FRX | 10000 | 3800 | <7 [0.1MHz] | 120 | 40 | 0.01-0.1 | high temperature stability suitable for wide band, filter and pulse applications | pressed (OD < 0.500) | T |
M100 | NMG | 10000 | 4200 | <10[0.3MHz] | 135 | 20 | 0.01-0.1 | suitable for wide band, filter and pulse applications | pressed machined | M100 |
V (aka CMI MC15k) | FRX/CMI | 15000 | 3700 | <7 [0.1MHz] | 120 | 25 | 0.01-0.1 | high ui with improved suitability over temperature suitable for wide band, filter and pulse applications | pressed (OD < 0.500) | V |