PERMEABILITY TYPICAL Permeability dynamic range (-50° +100°C) Painted
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Material Properties
PERMEABILITY TYPICAL Permeability dynamic range (-50° +100°C) Painted cores usuable 200°C dynamic range 4000gauss (peak 1000 gauss) flat
125µ 147µ
0.6% 0.6% 0.6% 0.6% 0.6% 0.6% 0.6% 0.6% 0.6% 7.0% 0.8% 1.0% 1.4% 1.8% 2.5% 2.8% 4.0% 8.0% 10.0% 12.0% 15.0%
+0.4% +0.4% +0.8% +1.4% +1.9% +1.9% +1.9% +2.5% +4.0% +20.0% +5.0% +9.0% +13.5% +19.0% +22.5% +25.5% +1.0% +1.5% +2.0% +3.0% +3.5%
Cores
160µ 173µ 200µ 300µ 550µ
High Flux Cores
125µ 147µ 160µ
Kool Cores
125µ
Material porperties above only apply toroids, THINZ cores.
Curie Temperature Density Coefficient Thermal Expansion Thermal Conductivity
Temperature
Cores High Flux Cores Kool Cores
460°C 500°C 500°C
grams/cm3 grams/cm3 grams/cm3
12.9 10-6/°C 10-6/°C 10.8 10-6/°C
Watts/(cm Watts/(cm Watts/(cm
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Conversion Tables
Multiply Multiply number obtain number
MPP, High Flux, Kool MPP, High Flux, Kool MPP, High Flux, Kool MPP, High Flux, Kool High Flux Kool
oersteds gauss circular mils watts watts watts
.795 .0001 6.425 5.07 10-6 19.17 18.07 15.42
amp-turns tesla mWatts mWatts mWatts
Core weights listed this catalog 125µ cores. determine weights other permeabilities, multiply 125µ weight following factors: 147µ 160µ 173µ 1.02 200µ 300µ
Permeability
125µ
550µ
Technical Data
Factor
0.80
0.86
0.94
0.96
0.97
1.00
1.03
1.04
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Normal Magnetization Curves,
Flux Density (Kilogauss)
1000
Magnetizing Force (Oersteds)
Normal Magnetization Curves, High Flux
Flux Density (Kilogauss)
1000
Magnetizing Force (Oersteds)
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Normal Magnetization Curves, Kool
1000
Flux Density (kilogauss)
Technical Data
Magnetizing Force (oersteds)
Normal Magnetization Curve Formula
(refer curves units)
where:
1.654E1 2.780E-2 5.900E-2 -4.990E-2 -5.810E-2 -4.440E-2 -6.140E-2 -1.154E-1 -1.228E-1 -1.201E-1 2.190E-2 4.120E-2 3.058E-1 -5.420E-2 -7.760E-2 -4.230E-2 7.450E-3 1.831E-3 7.738E-3 -9.675E-3 4.049E-2
9.249E-1 -2.274E-5 1.208E-4 2.060E-2 2.860E-2 3.300E-2 4.120E-2 5.780E-2 1.260E-1 4.105E-1 7.255E-4 7.493E-4 2.430E-2 2.220E-2 2.700E-2 2.980E-2 5.706E-4 4.621E-3 8.376E-3 1.250E-2 1.643E-2
6.189E1 8.849E-3 1.970E-2 7.879E-3 1.260E-2 7.975E-3 5.471E-3 4.820E-3 1.910E-2 5.070E-2 4.210E-2 4.230E-2 5.521E-4 8.372E-3 1.565E-3 1.763E-3 -2.930E-4 4.700E-3 5.773E-3 5.792E-3 3.121E-3
3.158E-1 -7.810E-6 4.780E-5 3.398E-4 4.533E-4 5.170E-4 6.450E-4 9.043E-4 1.946E-3 6.290E-3 2.200E-4 2.161E-4 6.434E-3 1.073E-4 1.403E-4 1.556E-4 5.539E-6 3.833E-5 7.159E-5 1.075E-4 1.447E-4
125µ 147µ 160µ 173µ 200µ 300µ 550µ 125µ 147µ 160µ 125µ
-23.740 0.2112 0.2576 0.0642 0.0653 0.0447 0.0545 0.1001 0.0940 0.0730 -1.880E-1 -1.286E-1 -5.360E-1 5.320E-2 7.740E-2 2.670E-2 5.868E-3 1.658E-2 1.433E-2 5.660E-2 7.808E-3
High Flux Kool
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Core Loss Density Curves,
10000 1000 0.01 0.01
Typical Core Loss (mw/cm)
PL=2.341B
2.21 1.31
Flux Density (kilogauss)
Core Loss Density Curves, High Flux
1000
Typical Core Loss (mw/cm)
PL=6.370
Flux Density (kilogauss)
2.52 1.26
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Core Loss Density Curves,
10000
Typical Core Loss (mw/cm3)
1000 0.01 0.01
PL=0.999B2.18F1.41
Technical Data
Flux Density (kilogauss)
Core Loss Density Curves, High Flux
1000
Typical Core Loss (mw/cm3)
PL=5.437
Flux Density (kilogauss)
2.55 1.25
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Core Loss Density Curves,
10000 1000 0.01 0.01
Typical Core Loss (mw/cm)
PL=0.625B
2.24 1.41
Flux Density (kilogauss)
Core Loss Density Curves, High Flux
Typical Core Loss (mw/cm3)
1000
PL=4.578
Flux Density (kilogauss)
2.56 1.23
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Core Loss Density Curves, 125µ
10000 1000 0.01 0.001
Typical Core Loss (mw/cm)
PL=1.199B2.31F1.40
Technical Data
Flux Density (kilogauss)
Core Loss Density Curves, High Flux 125µ
Typical Core Loss (mw/cm)
1000
PL=2.687
Flux Density (kilogauss)
2.59 1.33
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Core Loss Density Curves, 147µ /160µ/173µ
10000 1000 0.01 0.001
Typical Core Loss (mw/cm)
PL=0.771B2.25F1.50
Flux Density (kilogauss)
Core Loss Density Curves, High Flux 147µ/160µ
1000
Typical Core Loss (mw/cm)
PL=3.613
Flux Density (kilogauss)
2.56 1.41
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Core Loss Density Curves, 200µ/ 300µ
10000 1000 0.01 0.001
Typical Core Loss (mw/cm3)
PL=1.000B
2.27 1.64
Technical Data
Flux Density (kilogauss)
Core Loss Density Curves, High Flux 550µ
10000 1000
Typical Core Loss (mw/cm)
0.01 0.001
PL=3.070B2.36F1.59
Flux Density (kilogauss)
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3-10
Core Loss Density Curves, Kool
10000
Typical Loss Density (mw/cm3)
1000
PL=B2.00F1.46
Flux Density (kilogauss)
Unlike High Flux, typical loss density Kool does vary significantly with permeability; therefore, only material curve shown.
3-11
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Permeability versus Temperature Curves, (A2,
Unit Initial Permeability (typical)
1.04
1.03
1.02
1.01
300µ
173µ 125µ
1.00
0.99
Technical Data
Temperature,
coating maximum steady-state operating temperature 130°
Permeability versus Temperature Curves, (A2,
Unit Initial Permeability (typical)
1.15
1.10
1.05
1.00
0.95
Temperature,
coating maximum steady-state operating temperature 130°
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3-12
Permeability versus Temperature Curves, High Flux
Unit Initial Permeability (typical)
1.04 1.03 1.02 1.01 1.00 0.99 0.98 0.97 0.96
125µ
Temperature,
Permeability versus Temperature Curve Formula
(refer curves units)
where:
14µ: 0.9975 0.9967 0.9956 0.9940 0.9921 0.9908
9.667E-5 1.293E-4 1.739E-4 2.402E-4 3.140E-4 3.674E-4
5.556E-8 3.802E-8 4.094E-8 3.216E-8 7.310E-8 1.754E-8
High Flux
26µ: 60µ: 125µ: 147µ: 160µ:
3-13
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Permeability versus Temperature Curves, Kool
Unit Initial Permeability (typical)
1.02 1.00 0.98 0.96 0.94 0.92 0.90 0.88 0.86 0.84
Technical Data
Temperature,
Permeability versus Temperature Curve Formula
(refer curves units)
3.398E-2 7.691E-2 8.729E-2 1.033E-1 1.408E-1
-2.976E-4 -6.177E-4 -8.392E-4 -1.063E-3 -1.455E-3
-1.803E-6 -4.263E-6 -4.235E-6 -4.720E-6 -8.167E-6
1.079E-8 3.108E-8 3.749E-8 4.539E-8 7.764E-8
Kool
where:
26µ: 60µ: 75µ: 90µ: 125µ:
-0.3676 -1.450 -1.578 -1.854 -2.710
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3-14
Permeability versus Bias Curves,
Unit Initial Permeability
147µ 160µ 173µ
Magnetizing Force (Oersteds)
This curve only applies toroids. THINZDC Bias curve found page (4-35).
Permeability versus Bias Curves, High Flux
1000
Unit Initial Permeability
1000
Magnetizing Force (Oersteds)
3-15
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Permeability versus Bias Curves, Kool
Unit Initial Permeability
1000
Technical Data
Magnetizing Force (oersteds)
This curve only applies Kool toroids. Kool core Bias curve found page (4-33).
Permeability versus Bias Curve Formula
(refer curves units)
High Flux
Kool
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3-16
Permeability versus Flux Curves,
Unit Initial Permeability
1.22 1.20 1.18 1.16 1.14 1.12 1.10 1.08 1.06 1.04 1.02 1.00 0.98
300µ 200µ
550µ
1000
Flux Density (gauss)
Permeability versus Flux Curves, High Flux
1.26 1.24 1.22 1.20 1.18 1.16 1.14 1.12 1.10 1.08 1.06 1.04 1.02 1.00 0.98
Unit Initial Permeability
1000
10000
Flux Density (gauss)
3-17
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Permeability versus Flux Curves, Kool
Unit Initial Permeability
1.04
1.03
1.02
1.01
1.00
0.99 1000
Technical Data
Flux Density (gauss)
Permeability versus Flux Curve Formula
(refer curves units)
µeff
where:
14µ: 26µ: 60µ: 125µ: 147µ: 160µ: 173µ: 200µ: 300µ: 550µ: 14µ: 26µ: 60µ: 125µ: 147µ: 160µ: 26µ: 60µ: 75µ: 90µ: 125µ: 0.9995 0.9995 0.9990 0.9990 0.9980 0.9980 0.9980 0.9990 0.9980 0.9910 0.999 0.998 1.000 1.000 1.000 0.998 -1.291E-3 -1.850E-3 -2.135E-3 -2.769E-3 -2.421E-3
1.186E-5 1.186E-5 1.708E-5 2.960e-5 4.393E-5 4.393E-5 4.393E-5 5.145E-5 9.038E-5 4.042E-4 5.458E-5 1.020E-4 1.476E-4 1.934E-4 2.350E-4 2.910E-4 4.711E-5 7.340E-5 9.533E-5 1.430E-4 1.740E-4
-5.096E-9 -5.096E-9 -6.675E-9 -1.561E-8 -2.591E-8 -2.591E-8 -2.591E-8 -2.688E-8 -5.112E-8 -2.240E-7 -1.930E-8 -3.696E-8 -5.695E-8 -6.792E-8 -8.895E-8 -1.224E-7 -5.779E-8 -9.824E-8 -1.189E-7 -2.092E-7 -2.662E-7
-2.727E-12 -2.727E-12 -1.792E-12 8.254E-13 3.446E-12 3.446E-12 3.446E-12 3.308E-12 7.055E-12 3.123E-11 2.598E-12 5.099E-12 9.395E-12 1.014E-11 1.465E-11 2.263E-11 2.102E-11 4.486E-11 4.847E-11 1.115E-10 1.531E-10
High Flux Kool
µeff eB4)
where:
High Flux Kool
-1.228E-16 -2.529E-16 -6.182E-16 -6.347E-16 -9.716E-16 -1.590E-15 -2.121E-15 -7.157E-15 -6.242E-15 -2.135E-14 -3.170E-14
3-18
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Permeability versus Frequency Curves,
Unit Initial Permeability
0.01
Frequency (MHz)
Permeability versus Frequency Curves, High Flux
Unit Initial Permeability
0.01
Frequency (MHz)
3-19
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Permeability versus Frequency Curves, Kool
Unit Initial Permeability
1.00
0.95
0.90
0.85
0.80
0.75 0.01
Technical Data
Frequency (MHz)
Permeability versus Frequency Curve Formula
(refer curves units)
1.793E2 1.823E2 1.805E2 1.818E2 1.816E2 1.816E2 1.816E2 1.809E2 1.786E2 1.773E2 180.3 183.0 182.6 181.6 180.951 180.951 180.6 180.4 177.4 181.2 179.2
-9.742E-3 -7.285E-3 -1.010E-2 -6.429E-3 7.382E-5 7.382E-5 7.382E-5 -4.943E-3 4.958E-3 2.649E-3 -0.008689 -0.003220 -4.248E-4 -0.001246 -0.001167 -0.001167 0.01116 0.01099 0.01724 0.008411 0.01379
1.790E2 1.817E2 1.799E2 1.812E2 1.805E2 1.805E2 1.805E2 1.810E2 1.794E2 1.792E2 180.0 182.4 181.7 179.5 179.4 179.4 180.5 180.6 177.9 181.9 180.4
-9.218E-3 -5.719E-3 -6.944E-3 2.624E-3 1.510E-2 1.510E-2 1.510E-2 1.400E-2 6.160E-2 9.260E-2 -0.008005 3.455E-4 0.009010 0.01970 0.03110 0.03110 0.01159 0.01183 0.01890 0.01048 0.01677
µeff where:
14µ: 26µ: 60µ: 125µ: 147µ: 160µ: 173µ: 200µ: 300µ: 550µ: 14µ: 26µ: 60µ: 125µ: 147µ: 160µ: 26µ: 60µ: 75µ: 90µ: 125µ:
-3.288 -7.930 -6.583 -3.676 -10.544 -10.544 -10.544 5.551 19.705 31.318 -3.514 -5.340 -9.438 -22.76 -12.87 -12.87 0.03919 4.182 7.559 12.80 19.18
High Flux Kool
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3-20
Wire Table
Wire Size
Resistance Wire /meter (cm) (x.305=/ft) Heavy Build
.00207 .00259 .00328 .00413 .00522 .00656 .00827 .01043 .01319 .01657 .0210 .0264 .0332 .0420 .0531 .0666 .0843 .1063 .1345 .1686 .214 .266 .341 .430 .531 .676 .856 1.086 1.362 1.680 2.13 2.78 3.51 4.33 5.45 7.02 8.50 10.99 13.81 17.36 22.1 27.6 .334 .298 .267 .238 .213 .1902 .1714 .1529 .1369 .1224 .1095 .0980 .0879 .0785 .0701 .0632 .0566 .0505 .0452 .0409 .0366 .0330 .0295 .0267 .0241 .0216 .01905 .01702 .01524 .01397 .01245 .01092 .00965 .00864 .00762 .00686 .00635 .00546 .00498 .00452 .00394 .00353
Wire Area Circ. Mils (x0.001)
18,000 14,350 11,500 9,160 7,310 5,850 4,680 3,760 3,000 2,420 1,940 1,560 1,250 1,000 96.0 77.4 60.8 49.0 39.7 32.5 26.0 20.2 16.0 13.0 10.2 8.40 7.30 5.30 4.40 3.60 2.90 2.25 91.2 72.7 58.2 46.4 37.0 29.6 23.7 19.1 15.2 12.2 9.83 7.91 6.34 5.07 4.11 3.29 2.66 2.15 1.72 1.37 1.11 .912 .730 .593 .487 .392 .308 .248 .201 .165 .132 .102 .081 .066 .052 .043 .037 .027 .022 .018 .015 .011
Current Capacity, Amps (listed columns amps/sq.cm.)
16.5 13.1 10.4 8.23 6.53 5.18 4.11 3.26 2.58 2.05 1.62 1.29 1.02 .812 .640 .511 .404 .320 .253 .202 .159 .128 .100 .0792 .0640 .0504 .0397 .0314 .0250 .0203 .0160 .0123 .00961 .00785 .00625 .00484 .00400 .00309 .00248 .00194 .00175 .00150 33.0 26.2 20.8 16.4 13.1 10.4 8.22 6.52 5.16 4.10 3.25 2.58 2.05 1.63 1.28 1.02 .808 .641 .506 .403 .255 .200 .158 .128 .101 .0794 .0627 .0500 .0405 .0320 .0245 .0192 .0157 .0125 .00968 .00800 .00618 .00496 .00388 .00350 .00300 49.5 39.3 31.2 24.6 19.6 15.5 12.3 9.78 7.74 6.15 4.88 3.87 3.08 2.44 1.92 1.53 1.21 .962 .759 .604 .477 .382 .300 .237 .192 .152 .119 .0940 .0750 .0608 .0480 .0368 .0288 .0236 .0188 .0145 .0120 .00927 .00744 .00582 .00525 .00450 66.0 52.4 41.6 32.8 26.1 20.8 16.4 13.0 10.3 8.20 6.50 5.16 4.10 3.25 2.56 2.04 1.62 1.28 1.01 .806 .636 .510 .400 .316 .256 .202 .159 .125 .100 .0810 .0640 .0490 .0384 .0314 .0250 .0194 .0160 .0124 .00992 .00776 .00700 .00600
3-21
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