Shapes

Ferrite Shapes
Ferrites for high frequency power supply and high quality communication markets are produced in a variety of shapes and sizes for inductors, pulse transformers, high frequency transformers, and noise filters.   Magnetics® offers ferrite cores in a variety of geometries which are categorized as Shapes; E, I, EFD, ETD, EER, EC, U, UR, Planar E and I, and ER cores.


Learn More about Ferrite Shapes

E Cores

Part # L
900µ
R
2300µ
P
2500µ
F
3000µ
J
5000µ
W
10000µ
Le
Path
Length
mm
Ae
Cross
Section
mm2
Ve
Volume
mm3
WaAc
cm4
Length
mm
Leg
Length
mm
Height
mm
0904 - - 540 - 1,040 - 15.6 5 78 - 9 4.06 1.91
1203 - 587 - - - - 27.8 10.1 279 0.001 12.7 5.69 3.18
1205 - - - 1,950 3,300 - 27.8 30.3 837 0.059 12.7 5.69 9.62
1707 - - 1,100 - - - 30.4 16.6 505 0.03 16.8 7.1 3.56
1808 550 1,153 1,253 1,500 2,500 4,293 39.9 22.6 900 0.07 19.1 8.1 4.75
1810 - - 2,500 3,000 5,000 - 40.1 45.5 1,820 0.15 19.13 8.1 9.53
2510 800 1,767 1,920 2,300 3,700 6,180 49 39.5 1,930 0.16 25.4 9.65 6.35
2513 - 1,900 2,491 - - - 57.8 51.8 2,990 0.24 25 12.8 7.5
2515 - 1,153 1,253 1,500 2,400 4,107 73.5 78.4 2,950 0.42 25.4 15.9 6.35
2520 - 3,533 3,840 - - 13,813 48 76.8 3,760 0.21 25.4 9.65 12.7
2526 - 2,800 3,784 - - - 57.5 78.4 4,500 0.51 25 12.8 11
2530 - - 2,507 - - - 73.5 80.2 5,900 0.84 25.4 15.9 12.7
3007 - 2,060 2,240 2,700 3,800 8,200 67 60 4,000 0.5 30.8 15.01 7.3
3009 - - 3,147 - - - 61.9 83.2 5,150 0.74 30.95 13.1 9.4
3515 - 2,667 2,907 3,500 5,813 10,653 69.3 87 5,590 0.85 34.2 14.1 9.3
3520 - 1,947 - 2,555 - - 94.3 90.6 8,540 1.68 34.9 20.62 9.53
4011 - - 4,347 - - - 76.7 127 9,780 1.39 40.01 17 10.69
4016 - - 2,907 - - - 98.4 107 10,500 2.08 42.15 21.1 9
4020 - 4,600 5,000 6,000 9,700 - 97 178 17,300 3.55 43 21 15.2
4022 - 5,533 6,013 7,600 10,613 - 97 233 22,700 4.59 43 21 20
4033 - 4,000 4,709 - - - 145 236 34,200 4.48 42 32.8 20
4317 - 3,900 4,240 5,900 9,800 18,293 77 149 11,500 1.48 40.6 16.6 12.4
4721 - 5,360 5,827 8,300 - - 88.9 234 20,800 2.77 46.9 19.6 15.6
5528 - 6,293 6,840 8,220 - - 124 353 44,000 9.91 56.2 27.5 21
5530 - 7,520 8,173 - - - 124 420 52,000 11.8 56.2 27.5 24.61
5724 - 8,093 8,800 10,400 - 24,000 107 337 36,000 6.34 56.1 23.6 18.8
6016 - 5,733 6,240 - - - 110 248 27,200 7.16 59.99 22.3 15.62
6527 - 8,600 10,984 - - - 147 540 79,000 25.9 65 32.8 27.4
7133 - 10,800 11,600 - - - 149 683 102,000 - 70.5 33.2 32
7228 - 5,960 6,480 7,780 11,850 - 137 368 50,300 14.8 72.4 27.9 19
8020 - 4,673 5,080 - - - 184 392 72,300 30.8 80 38.1 19.8
9928 - 6,227 6,773 - - - 274 738 202,000 156 100.3 59.4 27.5

EC Cores

Part # R
2300µ
P
2500µ
F
3000µ
Le
Path
Length
mm
Ae
Cross
Section
mm2
Ve
Volume
mm3
WaAc
cm4
Length
mm
Leg
Length
mm
Height
mm
3517 2,213 2,400 3,000 77.4 84.3 6,530 0.83 34.5 17.3 9.5
4119 3,473 3,200 3,700 89.3 121 10,800 1.67 40.6 19.5 11.6
5224 3,867 4,200 5,040 105 180 18,800 3.87 52.2 24.2 13.4
7035   4,800 5,760 144 279 40,100 13.4 70 34.50 16.4

EER Cores

Part # R
2300µ
P
2500µ
Le
Path
Length
mm
Ae
Cross
Section
mm2
Ve
Volume
mm3
WaAc
cm4
Length
mm
Leg
Length
mm
Height
mm
2814 2,700
64 81.4 5,260 0.89 28.55 14 11.4
2817 2,500   75.5 81.4 6,142 0.912 28.55 16.7 11.4
3521 2,693 2,960 90.8 107 9,710 1.91 35 20.7 11.4
4013 3,300 3,520 98 149 14,600 3.18 40 22.40 13.4
4216 3,840 4,173 98.7 175 17,300 3.55 42.1 21.6 14.7
4818 6,400 6,850 86 232 19,900 4.08 48 18 17.6
4821 5,700 7,059 100 255 25,500 5.84 48 21.2 21
5418 6,100 6,500 91.8 250 23,000 4.75 53.5 18.3 17.95

EFD Cores

Part # L
900µ
R
2300µ
P
2500µ
J
5000µ
Le
Path
Length
mm
Ae
Cross
Section
mm2
Ve
Volume
mm3
WaAc
cm4
Length
mm
Leg
Length
mm
Height
mm
1009 280 585

23.7 7.2 171 0.004 10.5 5.2 2.7
1212 380 760     28.5 11.4 325 0.01 12.5 6.2 3.5
1515 400 893 973 1,933 34 15 510 0.02 15 7.5 4.65
2019   1,300 1,633   47 31 1,460 0.093 20 10.0 6.65
2523   2,093 2,280 4,507 57 58 3,300 0.23 25 12.5 9.1
3030   2,200 2,695   68 69 4,700 0.36 30 15 9.1

ETD Cores

Part # R
2300µ
P
2500µ
Le
Path
Length
mm
Ae
Cross
Section
mm2
Ve
Volume
mm3
WaAc
cm4
Length
mm
Leg
Length
mm
Height
mm
2929 2,250 2,843 72 76 5,470 0.73 30.6 15.8 9.8
3434 2,707 2,933 78.6 97.1 7,640 1.21 35 17.3 11.1
3939 2,973 3,227 92.2 125 11,500 2.21 40 19.8 12.8
4444 3,667 4,000 103 173 17,800 3.75 45 22.3 15.2
4949 4,093 4,440 114 211 24,000 5.83 49.8 24.7 16.7
5454 5,200 6,281 127 280 35,500 9.45 54.5 27.6 18.9
5959 5,747 6,240 139 368 51,500 13.7 59.8 31 21.65

U Cores

Part # R
2300µ
P
2500µ
F
3000µ
J
5000µ
Le
Path
Length
mm
Ae
Cross
Section
mm2
Ve
Volume
mm3
WaAc
cm4
Length
mm
Leg
Length
mm
Height
mm
1106 UC
1,120 1,010 1,773 29.2 12 350 0.02 10.85 4.19 6.3
1106 IC   1,022 1,150   24.6 11.5 283 0.01 10.8 1.83 6.3
2220 UC   1,360     95.8 39.7 4,130 0.91 22.1 20.6 6.27
2512 UC 1,907     4,400 68.9 80 4,170 0.67 25.4 12.9 12.7
2515 UC 1,107 1,333 1,600 2,507 83.4 40.4 3,370 0.63 25.4 15.9 6.35
2516 IC   2,907   2,907 64.3 40.3 2,590 0.32 25.4 6.35 6.35
2530 UC   2,280 2,740 4,860 83.4 80.8 6,740 1.27 25.4 15.9 12.7
4119 UC 1,627       121.2 91.1 11,000 2.86 41.78 20.9 11.94
4121 UC   2,047     115.2 114.3 13,172 3.09 41.78 20.6 11.94
4125 UC   1,747     134.4 113.1 15,196 4.44 41.78 25.4 11.94
4130 UC 1,400 1,520 1,830   154.8 112.1 17,346 5.88 41.78 30.5 11.94
9316 UC   5,191     258 447 115,000 86 93 76 16
9920 UC   3,572     480 560 268,800 221 126 91 20
9925 UC 4,533 4,920     308 645 199,000 975 101.6 57.1 25.4
9925 IC 5,707 6,200 7,440   245 645 158,000 324 101.6 25.4 25.4

UR Cores

Part # P
2500µ
Le
Path
Length
mm
Ae
Cross
Section
mm2
Ve
Volume
mm3
WaAc
cm4
Length
mm
Leg
Length
mm
Height
mm
5716 3,061 163 171 27,900 9.6 57.65 28.6 15.9
5917 3,274 189 210 39,700 15.5 59.34 35.8 17
6420 4,098 210 290 61,000 22 64 40.5 24

Planar E Cores

Part # L
900µ
R
2300µ
P
2500µ
F
3000µ
Le
Path
Length
mm
Ae
Cross
Section
mm2
Ve
Volume
mm3
WaAc
cm 4
Length
mm
Leg
Length
mm
Height
mm
0 1425 EC
1,653

16.7 14.7 244 0.009 14 5 2.5
C 1434 EC 600 1,327 1,399   20.7 14.66 304 0.01 14 5 3.5
C 1434 IC 780 1,504     16.4 11.4 230 0.009 14 5 1.8
C 1805 EC 1500 3,244 3,430   24.2 40.1 972 0.06 18 10 4.0
C 1805 IC 1800 3,606     20.3 39.5 830 0.03 18 10 2.4
F 1805 EC   3,244 3,430   24.2 40.1 972 0.06 18 10 4
F 1805 IC   3,641 3,837   20.3 40.1 813 0.03 18 10 2.39
0 2107 EC   3,448     25.7 37.1 960 0.05 21.8 7.8 3.91
C 2216 EC 2,300 5,066 5,387 6,131 32.3 76 2,451 0.24 21.8 15.8 5.7
C 2216 IC 2,900 5,956 6,506   26.1 80.4 2,100 0.12 21.8 15.8 2.9
F 2216 EC   5,066 5,387 6,131 32.5 78.5 2,550 0.24 21.8 15.8 5.72
F 2216 IC   6,207 6,568   25.8 80.6 2,080 0.12 21.8 15.8 2.95
C 3208 EC   6,521 6,918   41.4 130 5,380 0.24 31.75 20.32 6.35
C 3208 IC   7,321 7,745   35.1 130 4,560 0.12 31.75 20.32 3.18
F 3208 EC 3,200 6,700 6,918   41.4 130 5,380 0.66 31.75 20.32 6.35
F 3208 IC   7,321 7,745   35.1 130 4,560 0.33 31.75 20.32 3.18
0 3618 EC   6,678 7,090 8,039 42.4 135 5,750 0.55 35.56 17.8 6.35
F 3808 EC   7,867     52.4 194 10,200 1.56 38.1 25.4 8.26
F 3808 IC   9,028     43.7 194 8,460 0.78 38.1 25.4 3.81
0 4008 EC   4,233 4,504   51.9 101 5,220 0.66 40.65 10.7 8.51
0 4308 EC   8,560 9,150   57.5 227 13,100 2.18 43.2 27.9 8.51
F 4310 EC   8,266 8,803   61.1 229 18,900 2.68 43.2 27.9 9.53
F 4310 IC   10,631 10,130   50.4 229 11,500 1.34 43.2 27.9 4.1
C 5810 EC   8,498 9,073   80.6 308 24,600 8.36 58.42 38.1 10.54
C 5810 IC   9,821     67.7 310 20,800 4.18 58.42 38.1 4.1
F 5810 EC   8,498     80.6 308 24,600 8.36 58.42 38.1 10.54
F 5810 IC   9,970     67.7 310 20,800 4.18 58.42 38.1 4.1
C 6410 EC   14,618     80.2 516 41,400 10.4 64 50.8 10.2
C 6410 IC   16,139     64.9 511 35,539 5.2 64 50.8 5.08
F 6410 EC   16,154 15,599   80.2 516 41,400 10.4 64 50.8 10.2
F 6410 IC   18,098     64.9 511 35,539 5.2 64 50.8 5.08
0 9938 EC   9,810 9,997   148 540 79,800 46 102 37.5 20.3

ER Cores

Part # L
900µ
R
2300µ
P
2500µ
Le
Path
Length
mm
Ae
Cross
Section
mm2
Ve
Volume
mm3
WaAc
cm4
Length
mm
Leg
Length
mm
Height
mm
0906 525 973 1,053 14.2 8.47 120 0.00237 9.5 2.45 5
1126 725 1,400 1,690 14.7 11.9 174 0.00333 11 2.45 6
1308   1,700 1,800 17.5 19.9 348 0.01859 12.8 2.85 8.7
1426 850 1,600 1,700 19 17.6 333 0.00898 14.7 2.95 6.8
1826 1,300 2,623 2,770 22.1 30.2 667 0.0453 18 3.15 9.7
2014   3,788 4,026 33.2 59 1,960 0.1014 20 6.8 14
2313 1,850 3,800 4,030 26.6 50.2 1,340 0.0979 23.2 3.6 12.5
2517   7,021 7,447 26.4 89.7 2,370 0.2845 25 5.6 18
2521   5,440 5,801 41.4 100 4,145 0.52 25 8 18
3021   5,465 5,841 46 108 4,970 0.7931 30 8 20
3225   6,950 7,350 38.2 141 5,400 0.5436 32.1 6 25.4
Each Magnetics part has a unique ordering code that identifies material, shape, size and finish.  Below is  an overview of the ordering code for ferrite shapes.