General Material Properties

Material Mix No. Reference Permeability Powder Type Temp Coef of Perm (+ppm/C°) Density gm/cm3 Max Frequency (MHz) Relative Cost Color Code Toroid   Product Group
RF PC 200C
-0 1 Phenolic N/A N/A N/A N/A Tan/Tan      
-1 20 Carbonyl Iron 280 6.4 10 3.8 Blue/Clear      
-2 10 Carbonyl Iron 95 5 45 2.2 Red/Clear    
-3 35 Carbonyl Iron 255 6.5 5.0 3.3 Gray/Clear      
-4 9 Carbonyl Iron 280 5.0 17 2.2 Blue/White      
-6 8.5 Carbonyl Iron 35 5.0 55 3.6 Yellow/Clear      
-7 9 Carbonyl Iron 30 5.0 50 3.0 White/Clear      
-8 35 Carbonyl Iron 255 6.5 5.0 3.1 Yellow/Red    
-10 6 Carbonyl Iron 150 4.9 83 5.5 Black/Clear      
-14 14 Iron 150 5.2 20 2.8 Black/Red      
-15 25 Carbonyl Iron 190 6.4 7.0 3.4 Red/White      
-17 4 Carbonyl Iron 50 4.8 170 3.5 Blue/Yellow      
-18 55 Iron 385 6.6 1.3 2.7 Green/Red      
-19 55 Iron 650 6.8 1.0 1.2 Red/Green      
-26 75 Iron 825 7.0 0.38 1.0 Yellow/White      
-30 22 Iron 510 6.0 1.8 1.1 Green/Gray      
-34 33 Iron 565 6.2 1.4 1.3 Gray/Blue      
-35 33 Iron 665 6.3 1.1 1.1 Yellow/Gray      
-38 85 Iron 956 7.1 0.27 1.1 Gray/Black      
-40 60 Iron 950 6.9 0.38 1.0 Green/Yellow      
-45 100 Iron 1043 7.2 0.34 2.6 Black/Black      
-52 75 Iron 650 7.0 0.59 1.1 Green/Blue      
-60 55 Silicon-Iron 168 6.1 1.3 2.0 Brown/Black      
-61 38 Silicon-Iron -418 6.1 2.0 2.0 Brown/Gray      
-63 35 Silicon-Iron -313 5.9 5.8 3.0 Brown/Beige      
-65 42 Silicon-Iron -80 6.1 2.0 2.0 Brown/Yellow      
-66 66 Silicon-Iron -220 6.2 1.5 2.5 Brown/Brown      
-70 100 Nickel-Iron 216 7.4 0.66 9.9 Beige/Black      
-M125 125 Molypermalloy 150 7.7 0.48 12.0 Lt.Blue/Lt.Blue      

Material Magnetic Characteristics

Material Mix No. Bsat (G) H (Oe) at 80% µi %µi at H=50 (Oe) µ effective at H=50 (Oe) Core Loss (mW/cm3)
60 Hz / 5000 G 10 kHz / 500 G 100 kHz / 140 G 1 MHz / 40G 10 MHz / 15 G
-0 N/A N/A N/A N/A N/A N/A N/A N/A N/A
-1 17,500 221 97 19 45 59 31 21 107
-2 14,800 673 99 10 19 32 18 9 27
-3 17,600 101 92 32 45 59 31 21 107
-4 14,800 673 99 9 19 32 19 20 186
-6 14,800 1006 100 8 19 32 18 9 26
-7 14,800 778 100 9 19 32 18 9 27
-8 17,600 101 92 32 45 59 32 22 123
-10 14,600 2201 100 6 19 32 18 9 24
-14 15,200 406 99 14 19 32 18 11 49
-15 17,500 161 96 24 45 59 32 22 123
-17 14,400 2542 100 4 19 32 18 8 15
-18 17,800 45 77 42 48 70 46 70 715
-19 18,200 48 79 43 31 72 54 99 1138
-26 18,500 25 55 41 32 75 83 327 4294
-30 16,700 120 93 20 37 120 129 248 2537
-34 17,100 78 89 29 29 87 82 157 1756
-35 17,300 76 88 29 33 109 119 241 2531
-38 18,700 23 51 44 31 72 103 532 7216
-40 18,400 33 67 40 29 93 127 530 6999
-45 18,900 18 43 43 26 60 61 212 2716
-52 18,500 30 62 46 30 68 58 134 1571
-60 14,400 35 71 39 43 76 52 68 630
-61 14,400 65 85 32 80 113 69 72 569
-63 14,100 69 86 30 74 60 31 20 88
-65 16,000 55 82 35 54 77 33 48 567
-66 16,200 36 71 47 48 48 17 31 392
-70 8,600 20 47 47 6 10 13 69 947
-M125 8,800 24 44 55 5 6 13 86 1193