Cœurs en poudre, noyaux toroïques magnétiques
  • Cœurs en poudre, noyaux toroïques magnétiques

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Fabricant: Magnetics

Cœurs en poudre, noyaux toroïques magnétiques

Dust cores: MOLYPERMALLOY (MPP) - MAGNETICS production.

Dust cores type: Alloy- Magnetics Molypermalloy (MPP) are toroidal cores with dissipate air gap. 
They are made of:79% nickel, , 17% iron, and 4% molybdenum alloys, which allow to obtain lowest core power losses, in comparison to any other Dust material. MPP cores have many great magnetic properties like high resistivity, small hysteresis, low eddy currents, great stability after saturation. 
This is magnetic material, which provide low inductor power losses. MPP cores characterise with high induction and temperature stability.

DUST CORES MAGNETICS HIGH FLUX

This are toroidal cores with dissipate air gap made from alloys:  50% nickel - 50% iron. Those cores characterise with high saturation induction.
High Flux have advantages, which make them very useful in high power, high voltage and frequency applications. 
Core saturation inductance is on 1.5T level, in comparison to 0.75 of standard MPP or 0.45 for ferrites. 
Power losses are lower than in standard type "iron Dust" cores.

CORES KOOL Mμ®

Dust cores with dissipate air gap are made from iron alloys. They characterise with very low losses for a wide frequency range and high magnetic parameters stability.
Close to zero magnetostriction makes them ideal for elimination of arduous noises at high frequencies.
In high frequency applications, losses in core made from iron alloys, may be the main reason of temperature rise. This is why, Kool Mμ cores are ideal for above applications, because their losses are smaller, and therefore their temperature rise and dimensions are much smaller.



Type A
[mm]		 B
[mm]		 C
[mm]		 Ve
[mm3]
00K4741B 47.5 41 27.5 53 600
00K5528B 54.9 27.6 20.6 31 200
00K6030B 60 30 15 27 000

Symbol Geometry Permeability M External dimensions[mm] Internal dimension [mm] Height Ht [mm] Length Le [cm] Ae [cm2] AL.
00K102TC026 Toroid 26 101.60 57.15 16.51 ND 24.27 3.56 47.90
00K102RT026 RT (tory) 26 101.60 57.15 16.51 158.75 35.70 3.56 29.80
00K102AR026 AR (łuk) 26 Dimensions and parameters for order in above geometries      
00K102IS026 IS (segment) 26 ND ND 16.51 57.15 ND ND ND
00K133TC026 Toroid 26 132.54 78.59 25.4 ND 32.47 6.69 67.40
00K133RT026 RT (tory) 26 132.54 78.59 25.4 208.74 47.63 6.69 45.90
00K133AR026 AR (łuk) 26 Dimensions and parameters for order in above geometries      
00K133IS026 IS (segment) 26 ND ND 25.4 76.20 ND ND ND


KOOL Mμ®  CORES  E SHAPE

E - shape cores with dissipate air gap have properties which make them useful in wide range of applications for example: PFC correction, chokes, flyback converters. Core induction saturation level 1,05 T. allows to store more energy in comparison to E shape ferrite cores, which leads to core dimensions decrease. Kool Mμ E shape cores are pricey competitive. They have great thermal properties.

XFLUX ™ Cores

Magnetics cores are made from: 6, 5 % silicon and iron dust. Material is resistant for high temperatures, without temperature ageing. XFLUX  offers lower power losses than in normal dust cores.
XFLUX soft saturation characteristic offers advantages in comparison to ferrite cores. This cores are ideal for low and medium frequency chokes where induction on peak is not critical.

MPP THINZ ™ or  Molypermalloy dust cores are made from: 81% nickel, 17% iron and 2% molybdenum. They offer highest magnetic permeability, and high saturation inductance. They characterise with very small dimensions. They are temperature stable, and have small power losses.

Application:

Magnetics dust cores are used in high power circuits, especially in impulse power supplies, filters and resonant circuits.

  MPP HighFlux kooi mm XFLUX
Permeability 14-550 14-160 26-125 60
Losses in core Lowest Medium Low Medium
Permeability vs DC bias Very good Good Good Best
Saturation inductance (Bsat) 0,75 T 1,5 T 1,05 T 1,6 T
Nickel content 80% 50% 0% 0%
Relative costs High Medium Low Low

Material properties

Material Curie Temperature Density Thermal conductance
MPP 4600C 8,7 g/cm3 0,8 W/(cm x 0K)
High Flux 5000C 8,2 g/cm3 0,8 W/(cm x 0K)
Kool Mµ 5000C 7,0 g/cm3 0,8 W/(cm x 0K)

Inductance and  AL coefficient .
Inductance can be calculated on the geometry basses with following formula:
where:
L = Inductance
µ = Magnetic permeability
N = Turn count
Ae = Core surface (cm2 )
Ie = Core length (cm)
Coil inductance for given turn quantity is connected with nH inductance for one turn, according to following formula:
where:
L = Inductance
µ = Magnetic permeability
N = Turn quantity
AL = coefficient (nH/T2)

Inductance and turn quantity.

Following formula can be used for approximate calculation of dissipation flux for given inductance.  It is only approximated value. The real result may be ± 50%.
where:
LLK = dissipation flux (mH)
N = turn quantity
Ae = Core surface (cm2 )
Ie = Core length(cm)
 
Hysteresis

MPPM material

High Flux material

Kool Mµ material

XFlux material





Dimensions
Cores Kool Mµ - E shape
Marking A [mm] B [mm] c [mm] D [min] E [min] F [min] L [nom] M [min]
00K1207E (EF 12.6) 12.70 6.40 3.56 4.42 8.89 3.56 1.78 2.64
00K1808E (EI-187) 19.30 8.10 4.78 5.54 13.90 4.78 2.39 4.65
00K2510E (E-2425) 25.40 9.53 6.53 6.22 18.80 6.22 3.17 6.25
00K3007E (DIN 30/7) 30.10 15.01 7.06 9.70 19.50 6.96 5.11 6.46
00K3515E (EI-375) 34.54 14.10 9.35 9.65 25.30 9.32 4.45 7.87
00K4017E (EE 42/11) 42.80 21.10 10.80 15.00 30.40 11.90 5.95 9.27
00K4020E (DIN42/15) 42.80 21.10 15.40 15.00 30.40 11.90 5.95 9.27
00K4022E (DIN42/20) 42.80 21.10 20.00 15.00 30.40 11.90 5.95 9.27
00K4317E (EI-21) 40.90 16.50 12.50 10.40 28.30 12.50 6.00 7.90
00K5528E (DIN55/21) 54.90 27.60 20.60 18.50 37.50 16.80 8.38 10.30
00K5530E (DIN55/25) 54.90 27.60 24.61 18.50 37.50 16.80 8.38 10.30
00K6527E (Metric E65) 65.10 32.50 27.00 22.20 44.20 19.70 10.00 12.10
00K7228E (F11) 72.39 27.94 19.05 17.78 52.63 19.05 9.52 16.89
00K8020E (Metric E80) 80.01 38.10 19.81 28.14 59.28 19.81 9.91 19.81
00K8044E 80.01 45.09 19.81 34.67 59.28 19.81 9.91 20.19
00K130LE 130.3 32.5 54 22 108.4 20 10 44.2
OOK160LE 160 38.1 39.6 28.1 138.2 19.8 9.9 59.3
 
Magnetic properties

Type AL nH/Zwoje2±8% l e [mm] A e [mm2] V e [mm3]
26µ 40µ 60µ 90µ
00K1207E*** - - - 57     385
00K1808E*** 26 35 48 69     914
00K2510E*** 39 52 70 100   38.5 1 870
00K3007E*** 33 46 71 92 65.6 60.1 3 940
00K3515E*** 56 75 102 146 69.4 84.0 5 830
00K4017E*** 59 108 105 151 98,4 128 12 600
00K4020E*** 80 108 150 217 98.4 183 18 000
00K4022E*** 104 140 194 281 98.4 237 23 300
00K4317E*** 88 119 163 234 77.5 152 11 800
00K5528E*** 116 157 219 NA 123 350 43 100
00K5530E*** 138 187 261 NA 123 417 51 400
00K6527E*** 162 230 300 NA 147 540 79 400
00K7228E*** 130 173 236 NA 137 368 50 300
00K8020E*** 103 145 190 NA 185 389 72 100
00K8044E*** 91 - - NA 208 389 80 910
00K130LE*** 254 -- -- NA 219 1080 237 000
00K145LE*** 190 - - NA 210 736 155 000
00K160LE*** 180       273 778 212 000
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Dust cores: MOLYPERMALLOY (MPP) - MAGNETICS production.

Dust cores type: Alloy- Magnetics Molypermalloy (MPP) are toroidal cores with dissipate air gap. 
They are made of:79% nickel, , 17% iron, and 4% molybdenum alloys, which allow to obtain lowest core power losses, in comparison to any other Dust material. MPP cores have many great magnetic properties like high resistivity, small hysteresis, low eddy currents, great stability after saturation. 
This is magnetic material, which provide low inductor power losses. MPP cores characterise with high induction and temperature stability.

DUST CORES MAGNETICS HIGH FLUX

This are toroidal cores with dissipate air gap made from alloys:  50% nickel - 50% iron. Those cores characterise with high saturation induction.
High Flux have advantages, which make them very useful in high power, high voltage and frequency applications. 
Core saturation inductance is on 1.5T level, in comparison to 0.75 of standard MPP or 0.45 for ferrites. 
Power losses are lower than in standard type "iron Dust" cores.

CORES KOOL Mμ®

Dust cores with dissipate air gap are made from iron alloys. They characterise with very low losses for a wide frequency range and high magnetic parameters stability.
Close to zero magnetostriction makes them ideal for elimination of arduous noises at high frequencies.
In high frequency applications, losses in core made from iron alloys, may be the main reason of temperature rise. This is why, Kool Mμ cores are ideal for above applications, because their losses are smaller, and therefore their temperature rise and dimensions are much smaller.



Type A
[mm]		 B
[mm]		 C
[mm]		 Ve
[mm3]
00K4741B 47.5 41 27.5 53 600
00K5528B 54.9 27.6 20.6 31 200
00K6030B 60 30 15 27 000

Symbol Geometry Permeability M External dimensions[mm] Internal dimension [mm] Height Ht [mm] Length Le [cm] Ae [cm2] AL.
00K102TC026 Toroid 26 101.60 57.15 16.51 ND 24.27 3.56 47.90
00K102RT026 RT (tory) 26 101.60 57.15 16.51 158.75 35.70 3.56 29.80
00K102AR026 AR (łuk) 26 Dimensions and parameters for order in above geometries      
00K102IS026 IS (segment) 26 ND ND 16.51 57.15 ND ND ND
00K133TC026 Toroid 26 132.54 78.59 25.4 ND 32.47 6.69 67.40
00K133RT026 RT (tory) 26 132.54 78.59 25.4 208.74 47.63 6.69 45.90
00K133AR026 AR (łuk) 26 Dimensions and parameters for order in above geometries      
00K133IS026 IS (segment) 26 ND ND 25.4 76.20 ND ND ND


KOOL Mμ®  CORES  E SHAPE

E - shape cores with dissipate air gap have properties which make them useful in wide range of applications for example: PFC correction, chokes, flyback converters. Core induction saturation level 1,05 T. allows to store more energy in comparison to E shape ferrite cores, which leads to core dimensions decrease. Kool Mμ E shape cores are pricey competitive. They have great thermal properties.

XFLUX ™ Cores

Magnetics cores are made from: 6, 5 % silicon and iron dust. Material is resistant for high temperatures, without temperature ageing. XFLUX  offers lower power losses than in normal dust cores.
XFLUX soft saturation characteristic offers advantages in comparison to ferrite cores. This cores are ideal for low and medium frequency chokes where induction on peak is not critical.

MPP THINZ ™ or  Molypermalloy dust cores are made from: 81% nickel, 17% iron and 2% molybdenum. They offer highest magnetic permeability, and high saturation inductance. They characterise with very small dimensions. They are temperature stable, and have small power losses.

Application:

Magnetics dust cores are used in high power circuits, especially in impulse power supplies, filters and resonant circuits.

  MPP HighFlux kooi mm XFLUX
Permeability 14-550 14-160 26-125 60
Losses in core Lowest Medium Low Medium
Permeability vs DC bias Very good Good Good Best
Saturation inductance (Bsat) 0,75 T 1,5 T 1,05 T 1,6 T
Nickel content 80% 50% 0% 0%
Relative costs High Medium Low Low

Material properties

Material Curie Temperature Density Thermal conductance
MPP 4600C 8,7 g/cm3 0,8 W/(cm x 0K)
High Flux 5000C 8,2 g/cm3 0,8 W/(cm x 0K)
Kool Mµ 5000C 7,0 g/cm3 0,8 W/(cm x 0K)

Inductance and  AL coefficient .
Inductance can be calculated on the geometry basses with following formula:
where:
L = Inductance
µ = Magnetic permeability
N = Turn count
Ae = Core surface (cm2 )
Ie = Core length (cm)
Coil inductance for given turn quantity is connected with nH inductance for one turn, according to following formula:
where:
L = Inductance
µ = Magnetic permeability
N = Turn quantity
AL = coefficient (nH/T2)

Inductance and turn quantity.

Following formula can be used for approximate calculation of dissipation flux for given inductance.  It is only approximated value. The real result may be ± 50%.
where:
LLK = dissipation flux (mH)
N = turn quantity
Ae = Core surface (cm2 )
Ie = Core length(cm)
 
Hysteresis

MPPM material

High Flux material

Kool Mµ material

XFlux material





Dimensions
Cores Kool Mµ - E shape
Marking A [mm] B [mm] c [mm] D [min] E [min] F [min] L [nom] M [min]
00K1207E (EF 12.6) 12.70 6.40 3.56 4.42 8.89 3.56 1.78 2.64
00K1808E (EI-187) 19.30 8.10 4.78 5.54 13.90 4.78 2.39 4.65
00K2510E (E-2425) 25.40 9.53 6.53 6.22 18.80 6.22 3.17 6.25
00K3007E (DIN 30/7) 30.10 15.01 7.06 9.70 19.50 6.96 5.11 6.46
00K3515E (EI-375) 34.54 14.10 9.35 9.65 25.30 9.32 4.45 7.87
00K4017E (EE 42/11) 42.80 21.10 10.80 15.00 30.40 11.90 5.95 9.27
00K4020E (DIN42/15) 42.80 21.10 15.40 15.00 30.40 11.90 5.95 9.27
00K4022E (DIN42/20) 42.80 21.10 20.00 15.00 30.40 11.90 5.95 9.27
00K4317E (EI-21) 40.90 16.50 12.50 10.40 28.30 12.50 6.00 7.90
00K5528E (DIN55/21) 54.90 27.60 20.60 18.50 37.50 16.80 8.38 10.30
00K5530E (DIN55/25) 54.90 27.60 24.61 18.50 37.50 16.80 8.38 10.30
00K6527E (Metric E65) 65.10 32.50 27.00 22.20 44.20 19.70 10.00 12.10
00K7228E (F11) 72.39 27.94 19.05 17.78 52.63 19.05 9.52 16.89
00K8020E (Metric E80) 80.01 38.10 19.81 28.14 59.28 19.81 9.91 19.81
00K8044E 80.01 45.09 19.81 34.67 59.28 19.81 9.91 20.19
00K130LE 130.3 32.5 54 22 108.4 20 10 44.2
OOK160LE 160 38.1 39.6 28.1 138.2 19.8 9.9 59.3
 
Magnetic properties

Type AL nH/Zwoje2±8% l e [mm] A e [mm2] V e [mm3]
26µ 40µ 60µ 90µ
00K1207E*** - - - 57     385
00K1808E*** 26 35 48 69     914
00K2510E*** 39 52 70 100   38.5 1 870
00K3007E*** 33 46 71 92 65.6 60.1 3 940
00K3515E*** 56 75 102 146 69.4 84.0 5 830
00K4017E*** 59 108 105 151 98,4 128 12 600
00K4020E*** 80 108 150 217 98.4 183 18 000
00K4022E*** 104 140 194 281 98.4 237 23 300
00K4317E*** 88 119 163 234 77.5 152 11 800
00K5528E*** 116 157 219 NA 123 350 43 100
00K5530E*** 138 187 261 NA 123 417 51 400
00K6527E*** 162 230 300 NA 147 540 79 400
00K7228E*** 130 173 236 NA 137 368 50 300
00K8020E*** 103 145 190 NA 185 389 72 100
00K8044E*** 91 - - NA 208 389 80 910
00K130LE*** 254 -- -- NA 219 1080 237 000
00K145LE*** 190 - - NA 210 736 155 000
00K160LE*** 180       273 778 212 000
Moins
Lire la suite
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