POWDERED IRON MATERIAL RECOMMENDED FOR POWER AND EMI FILTERS
|
NOMINAL PERMEABILITY |
EFFECTIVE PERMEABILITY |
RELATIVE Q |
RECOMMENDED FREQUENCY RANGE |
PERMACOR MATERIAL IDENTIFICATION |
BASIC MATERIAL |
UNIQUE CHARACTERISTICS |
|
80 |
6.59 |
Low |
60HZ to 1MHZ |
Electrolytic |
Highest permeability low Q excellent for swinging inductors EMI/power filters high flux. |
|
|
75LL |
6.33 |
Medium |
60HZ to 1MHZ |
Blend |
High permeability low losses low cost ideal for EMI and RFI high flux material. |
|
|
75 |
6.33 |
Low |
60HZ to 1MHZ |
Electrolytic |
High permeability low Q. Ideal for EMI and RFI high flux material. |
|
|
60 |
5.95 |
Lowest |
60HZ to 500KHZ |
Reduced Atomized |
High permeability lowest cost ideal for switching poer supplies and chokes. |
|
|
40 |
5.75 |
Medium |
10KHZ to 1.5MHZ |
Electolytic |
Medium permeability low lossesminimum saturation high energy storage. High cost. |
|
|
35 |
5.65 |
Medium |
20KHZ to 10MHZ |
Carbonyl GQ4 |
Lowest cure losses for over 50 KHZ. Excellent Q up to 5 MHZ. Highest cost power material. |
|
|
21 |
5.33 |
High |
50KHZ to 10MHZ |
Electrolytic |
Low losses frequency stable low T.C. ideal for higher frequency. |
|
E-mail at PERMACOR@AOL.com |
Call PERMACOR®, Inc., at (708) 422-3353 or FAX at (708) 422-9637 |