The ferrite materials are classified in five (5) major groups as indicated below.
Preferred Power Material for New Designs
Manf | Mat’l | Initial Perm |
Optimum Frequency |
Flux βsat |
Core Loss Pcv |
Curie Temp |
|||
---|---|---|---|---|---|---|---|---|---|
KHz | mT | °C | KW/M3 | °C | Conditions | Tc °C | |||
EPCOS | N87 | 2200 | 25< f<300 | 490 | 25 | 650 | 25 | 100 KHz, 200mT | 210 |
500 | 50 | ||||||||
400 | 80 | ||||||||
375 | 100 | ||||||||
390 | 100 | 460 | 120 | ||||||
540 | 100 | ||||||||
EPCOS Preliminary |
N88 | 1800 | 25< f<500 | 500 | 25 | 750 | 25 | 100 KHz, 200mT | 240 |
580 | 50 | ||||||||
460 | 80 | ||||||||
450 | 100 | ||||||||
400 | 100 | 400 | 120 | ||||||
420 | 100 | ||||||||
EPCOS Preliminary |
? | 2400 | 25< f<500 | 530 | 25 | 600 | 25 | 100 KHz, 200mT | 230 |
480 | 60 | 60 | |||||||
80 | |||||||||
420 | 100 | 270 | 100 | ||||||
390 | 120 | 120 | |||||||
EPCOS | N95 | 3000 | 25< f<500 | 525 | 25 | 460 | 25 | 100 KHz, 200mT | 220 |
420 | 50 | ||||||||
390 | 80 | ||||||||
410 | 100 | 390 | 100 | ||||||
420 | 120 | ||||||||
EPCOS Preliminary |
N96 | 2900 | 25< f<500 | 490 | 25 | 325 | 25 | 100 KHz, 200mT | 240 |
330 | 50 | ||||||||
350 | 80 | ||||||||
390 | 100 | 410 | 100 | ||||||
450 | 120 |