nanocrystalline and amorphous core (stb05-00)
TRANSCRIPT
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Nanocrystalline and amorphous core, with unique combination of high Bs , high and lower core loss, have
excellent ratio of properties vs price. They widely used for telecommunication, power electronics, EMC and sensor,
Which is available for high frequency application and small size. Our product made by Nanocrystalline and amor-
phous alloys consist of follow major core types:
Distributed gap FJ-series Fe-base amorphous core for car audio, PFC, differential mode choke and smoothing
choke
With-gap FG and FCG-series Fe-base amorphous core for PFC, differential mode choke and smoothing
choke
WUL Nanocrystalline-series high inductance choke core for common mode EMC choke
WWL Nanocrystalline-series power core with lower loss for SMPS, Inverters and pulse transformer
CL-series Co-base amorphous lower loss core for high frequency power transformer
CB and CZ-series Co-base amorphous core for Mag-Amp and noise suppression devices
CDCT and FCT-series Co-base and Fe-base core for current transformer with and without DC-tolerance
Number No 3:Outer diameter for Toroidal core in mm (for FJ-series, Added 10,25 and 37 values Indicates max. Magnetic
Field to Saturation )or outer length for C-core in mm
Number No 4: Height of core in mm
1. Introduction
Products Number:
2. Core code construction
WU L 26 10
Height mm
Outer diameter mm
Character,Application&method
Material code
Letters and number of code:
Letters No 1:Material Code
F Fe-base Amorphous alloy
C Co-base Amorphous alloy
N Fe-Ni-base Amorphous allou
WU Fe-base Nanocrystalline alloy
Letters No 2:Characteristics, application and making method
B Beads
CG C-core with gap L with flat Loop
G Toroidal core with gap P for Pulse Transformer
I for ISDN, EMI U High 0
J Distributed gap W Low loss for Power core
K for Spark killer Z with Square Loop
NANOCRYSTALLINE AND AMORPHOUS CORE (STB05-00)
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Distributed gap FJ-series choke core made from Fe-base amorphous alloy have low leakage flux and core loss
due to avoid concentrate air gapand have excellend frequency and dc bias characteristics. The series cores are
provided with different permeability120-1200and dc bias characteristics5-100 Oein large rangeit is
suitable for applications of car audioPFCdifferentia l mode choke and smoothing choke.The series cores
consist of FJ10FJ25 and FJ37 as follow
1) f = 1 KHz
2) Lv : L value at condition of rated N, Idc and DCB
3) DCB : dc bias value rated
4) Tolerance of ALo: 20%
Distributed gap FJ10-series amorphous choke cores for car audio (STB05-01A)
Features
High saturation flux density(1.5T) and high permeability (700-1200), good dc bias characteristics, very low leakage
field due to no-gap, excellent frequency and temperature characteristics, low core loss.Applications
Application to car audio, PFC, differential mode choke and smoothing choke
Dimension and performance
B(T)
dc hysteresis loops for FJ-Series coresH-field(Oe)
FJ10
FJ25
FJ37
1.5
1.2
0.9
0.6
0.3
0 10 20 30 40 50
Core codeCore Finished DCB
Bias Properties
Dimension Dimension Le ALo rated N Idc Lv
(mm) (mm) (cm) Idc=0 (A.T) rated min
(H/N2) (Ts) (A) (H)
FJ10-10A100 8/12 4.5 6.3/13.8 6.5 3.14 0.19 38 38 1.0 100
FJ10-05A500 10/16 8.0 8.3/18.2 10.3 4.08 0.85 16 32 0.5 500
FJ10-10A150 10/16 8.0 8.3/18.2 10.3 4.08 0.50 20 20 1.0 150
FJ10-10A250 11/18 8.0 9.1/20.3 10.2 4.55 0.70 24 24 1.0 250
FJ10-10A150 11/18 10 9.1/20.3 12.2 4.55 0.50 20 20 1.0 150
FJ10-17A240 11/18 10 9.1/20.3 12.2 4.55 0.57 46 27 1.7 240
FJ10-10A350 11/18 10 9.1/20.3 12.2 4.55 0.78 30 30 1.0 350
FJ10-20A187 12/20 8.0 10.6/21.8 10 5.02 0.30 54 27 2.0 187
FJ10-18A280 12/20 10 10.6/21.8 12 5.02 0.84 31.5 28 1.8 280
AMORPHOUS AND MICROCRYSTALLINE
DISTRIBUTED FJ-SERIES FE-BASE AMORPHOUS CHOKE CORES (STB05-01)
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Features
High saturation flux density(1.5T) and high permeability(400)good dc bias characteristics, inductancereduction ratio is 50% at bias field 25 Oe, very low leakage field due to no-gapexcellent frequency300KHz
and temperature characteristicslow core loss.
Applications
Application to smoothing choke ,PFC and differential mode choke.
Dimension and performance
1) f=10 KHz
2) Tolerance of ALo: 20%
3) Reduction ratio of ALo inductance is 50% at DC rated bias (25 Oe)
L/LO
(%)
100
80
60
40
20
01 10 100
H-field(Oe)
FJ10
FJ25
FJ37
dc-bias Characteristics for FJ-Series cores
L/L0
(%)
100
80
60
40
20
01 10 100
FJ10-05A500
FJ10-10A150
FJ10-20A187
FJ10-10A100
A.T(Ampere Turn)
dc-bias Characteristics for FJ10 cores
Pcoreloss(W
/Kg)
Bm (Gs)
1000
100
10
1100 1000 10000
20K
40K
100K
200K
Core loss vs flux density for FJ10 cores
%lnductance
(referdto1000H
z)
f(KHZ)
Frequency Characteristics for FJ10 cores
10
40
60
80
20
10 100
100
1000
Distributed gap FJ25-series amorphous choke cores for smoothing choke (STB05-01B)
Core Finished
Core Dimension Dimension Ae Le ALo DC rated bias
Code (mm) (mm) (mm2) (cm) Idc=0 (A.T)
(H/N2)
FJ25-1004 6.5/10 4.5 5.1/11.2 5.8 5.5 2.59 0.072 50.8
FJ25-1608 10/16 8.0 8.3/18.2 10.3 16.8 4.08 0.141 78.0
FJ25-1808 11/18 8.0 9.1/20.3 10.2 19.2 4.55 0.147 87.0
FJ25-1810 11/18 10 9.1/20.3 12.2 24.5 4.55 0.184 87.0
FJ25-2610 16/26 10 14/27.5 12.5 35.0 6.60 0.200 127.0
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AMORPHOUS AND MICROCRYSTALLINE
Features
High saturation flux density(1.5T) and high permeability( 270)good dc bias characteristicsinductance
reduction ratio is 50% at bias field 37 Oevery low leakage field due to no-gapexcellent frequency
300KHzand temperature characteristicslow core loss.
Applications
Application to smoothing choke, PFC and differential mode choke.
Dimension and performance
1) f=10 KHz
2) Tolerance of ALo: 20%
3) Reduction ratio of ALo inductance is 50% at DC rated bias (37 Oe)
Distributed gap FJ37 series amorphous choke
cores for smoothing choke (STB05-01C)
PcoreLoss(ww/kg)
1001
10
100
1000
B(Gs)
1000 10000
20K
40K
100K
200K
Core loss vs flux density of FJ25 cores
(referedto100
KHz)
%lnductance
f(KHZ)
10
20
40
60
80
100
10 100 1000
Frequency Characteristics for FJ25 cores
L/L0(%)
A.T (Ampere Turn)
dc-bias Characteristics for FJ25 cores
10
20
40
60
80
100
10 100
FJ25-1608
FJ25-1808
FJ25-2610
FJ25-1004
Core Finished
Core Dimension Dimension Ae Le ALo DC rated bias
Code (mm) (mm) (mm2) (cm) Idc=0 (A.T)
(H/N2)
FJ37-1405 10/14
5.0 8.6/15.5
7.2 7.0 3.77 0.072 111FJ37-1608 10/16 8.0 8.3/18.2 10.3 8.4 4.08 0.150 121
FJ37-1808 11/18 8.0 9.1/20.3 10.2 19.2 4.55 0.130 136
FJ37-1810 11/18 10 9.1/20.3 12.2 24.5 4.55 0.160 136
FJ37-2610 16/26 10 14/27.5 12.5 35.0 6.60 0.150 192
FJ37-3210 20/32 10 17.8/34 12.5 42.0 8.16 0.160 244
FJ37-4013 25/40 12.5 22.5/42.5 15.5 65.7 10.21 0.250 302
FJ37-4620 27/46 20 23/49.5 23.5 133 115 0.368 344
FJ37-4625 27/46 25 23/49.5 29 166 115 0.460 344
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Features
High saturation flux density(1.5T) and high permeability( 200 or 100)excellent dc bias field50 or 100
Oecharacteristicsbetter frequency and temperature characteristics.
Applications
Application to PFCsmoothing choke and differential mode choke.
Dimension and performance
1FG50 Series
%
lnductance
(referedto100KHz)
f(KHz)
Frequency Characteristics for FJ37 cores
10
20
40
60
80
100
10 100 1000
Pcoreloss(w/kg)
B(Gs)
1001
10
100
1000
1000 10000
20K
40K
100K
200K
Core loss vs flux density of FJ37 cores
L/L0(%)
A.T (Ampere Turn)
10
20
40
60
80
100
10 100 1000
FJ37-1405
FJ37-1808
FJ37-3210
FJ37-4013
dc-bias Characteristics for FJ37 cores
Core Dimensions Finished Dimensions
Electric Parameters
Core Code (mm) (mm) (typical)
ALo DCB*ID OD H ID OD H
(H/N2) (AT)
FG50-2008 12.0 20.0 8.0 9.7 22.5 11.0 0.120 180
FG50-2610 16.0 26.0 10.0 14.3 30.2 13.5 0.132 240
FG50-3210 20.0 32.0 10.0 17.5 34.5 13.5 0.120 300
FG50-4013 25.0 40.0 12.5 23.0 45.0 16.0 0.150 360
FG50-4015 25.0 40.0 15.0 23.0 45,0 19.0 0.200 360
FG50-5015 32.0 50.0 15.0 29.0 55.0 18.0 0.180 460
FG50-5920 40.0 59.0 20.0 37.0 63.5 24.0 0.190 600
WITH GAP FG-SERIES FE-BASE AMORPHOUS TOROIDAL CHOKE CORES(STB05-02)
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Note* 1. DCB:AL value is reduced to 75% at the rated DC bias
2. Tolerance of AL20%
Electric characteristics of coil (typical)
2FG100 Series
Code Core Dimensions Rated dc Current Inductance AL Turns
(mm) (A) L(H) (H/N2) (Ts)
3.0 400 60
FG50-2008 12 20 8.0 5.0 155 0.115 37
8.0 60 23
10.0 40 19
3.0 1000 87
5.0 300 48
FG50-2610 16 26 10 8.0 155 0.133 34
10.0 100 28
15.0 45 18
5.0 505 65
8.0 255 46
FG50-3210 20 32 10 10.0 165 0.120 37
15.0 75 25
20.0 45 19
5.0 520 61
8.0 255 43
FG50-4012 25 40 12.5 10.0 170 0.140 35
15.0 75 23
20.0 45 18
Core Dimensions Finished Dimensions
Electric Parameters
Core Code(mm) (mm) (typical)
ALo DCB*ID OD H ID OD H
(H) (AT)
FG100-2610 16.0 26.0 10.0 14.3 30.2 13.5 0.060 520
FG100-3210 20.0 32.0 10.0 17.5 34.5 13.5 0.070 650
FG100-4013 25.0 40.0 12.5 23.0 45.0 16.0 0.080 800
FG100-4015 25.0 40.0 15.0 23.0 45,0 19.0 0.095 810
FG100-4620 27.0 46.0 20.0 24.5 48,8 23.0 0.155 910
FG100-4625 27.0 46.0 25.0 24.5 48,8 28.0 0.190 900
FG100-5015 32.0 50.0 15.0 29.0 55.0 18.0 0.090 1030
FG100-5920 40.0 59.0 20.0 37.0 63.5 24.0 0.100 1250FG100-6420 40.0 64.0 20.0 37.0 69.0 24.0 0.120 1300
FG100-8020 50.0 80.0 20.0 47.0 83.7 25.4 0.130 1700
FG100-12030 80.0 120.0 30.0 75.3 124.6 34.8 0.125 4500
AMORPHOUS AND MICROCRYSTALLINE
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Features
High saturation flux density(1.5T)excellent DC bias field characteristicslow loss and small size.
Applications
Smoothing chokeDC-DC convertorPFC and differential mode choke.
Dimension and performance
L/L
0(%)
A.T (AmpereTurn)
dc-bias characteristics for FG50 cores
100
20
40
60
80
100
100 1000
FG-5015
FG-4013
FG-3210
FG-2610
B(T)
dc hysteresis loops for FG50 Series cores
H-field(Oe)
-100-1.5
-1.2
-0.9
-0.6
-0.3
0
0.3
0.6
0.9
1.2
1.5
-80 -60 -40 -20 0 20 40 60 80 100
Pcorelo
ss(W/kg)
100
1
10
100
1000
1000
B(Gs)
10000
100KHz
20KHz
40KHz
80KHz
Core loss vs flux density of FG50 cores
BE
F CA
FCG-SERIES FE-BASE AMORPHOUS CORE (C-CORE)(STB05-03)
Core DimensionsLe Ae MASS WaCore Code (mm)
(cm) (cm2) (g) (cm2)A B C D E F
FCG-84 84 54 20 12 30 60 21.8 1.68 300 18.0
FCG-105 105 52 25 16 20 70 24.9 2.80 550 14.0
FCG-117 117 75 20 20 35 77 28.7 2.80 580 27.0
FCG-128 128 79 25 22 35 84 30.7 3.85 850 29.4
FCG-140 140 97 30 26 45 88 34.8 5.45 1370 39.6
FCG-177A 177 114 40 32 50 113 42.7 8.96 2750 56.5
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Electric characteristics of coil (typical)
Code Finished Dimensions Gap length AL DC bias max(mm) (mm) (H/N2) (AT)
0.5 2 0.56 600
1.0 2 0.34 1300
FCG-105 105 52 25 2.0 2 0.21 2400
3.0 2 0.16 3000
4.0 2 0.13 4000
0.5 2 0.70 900
1.0 2 0.40 1300
FCG-128 128 79 25 2.0 2 0.26 2700
3.0 2 0.20 3200
4.0 2 0.16 4600
5.0 2 0.14 5600
AMORPHOUS AND MICROCRYSTALLINE
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Cores Dimension Finished Dimension AL (H/N2) min
Core Code OD IDH OD IDH f = 10KHz
(mm) (mm) Grade A Grade B GradeC
WUL-0703 4.3 7.2 3.0 3.6 8.3 3.7 7.0 8.0 9.0
WUL-1004 6.5 10 4.5 5.0 11.8 6.8 10.0 12.5 15.0
WUL-1204 8.0 12 4.5 6.6 14.3 6.9 10.0 12.5 15.0
WUL-1404 10 14 4.5 8.7 15.4 7.1 10.0 12.5 15.0
WUL-1608 10 16 8.0 8.7 17.7 9.8 15.0 18.0 22.0
WUL-2008 12 20 8.0 10.7 21.7 9.9 16.0 19.0 22.0
WUL-2010 12
20
10 10.6
22.3
12.6 20.0 25.0 30.0WUL-2610 16 26 10 13.9 28.0 12.5 35.0 40.0 50.0
WUL-2815 18 28 15 16.3 29.6 16.9 40.0 46.0 55.0
WUL-3210 20 32 10 17.9 34.1 13.2 25.0 32.0 38.0
WUL-3718 20 37 18 17.8 39.0 19.9 60.0 75.0 90.0
WUL-4010 25 40 10 22.6 43.1 13.5 22.0 30.0 38.0
WUL-4013 25 40 12.5 23.0 42.4 15.3 25.0 32.0 40.0
WUL-4015 25 40 15 22.0 43.2 18.9 30.0 38.0 45.0
WUL-4620 27 46 20 24.5 48.6 22.5 40.0 55.0 65.0
WUL-4625 27 46 25 24.4 48.4 28.0 45.0 60.0 75.0
WUL-5015 32
50
15 29.0
53.5
18.6 35.0 45.0 55.0WUL-5920 40 59 20 36.8 62.8 24.0 36.0 50.0 60.0
WUL-6420 40 64 20 36.8 67.6 23.4 40.0 55.0 65.0
WUL-8020 50 80 20 47.0 83.7 25.4 40.0 55.0 65.0
WUL-8025 50 80 25 46.8 83.7 29.3 45.0 62.0 70.0
WUL-1006020 60 100 20 53.7 104.5 26.5 50.0 60.0 70.0
WUL-1207030 70 120 30 67.0 125.0 24.6 40.0 52.0 65.0
WUL-1308040 80 130 40 77.3 136.5 46 65.0 75.0 95.0
WUL-1308050 80 130 50 77.3 136.5 56 70.0 80.0 100.0
WUL-1309030 90 130 30 84.6 135.4 36 60.0 70.0 80.0
Features
1) High permeability (>60000) and AL value, high insertion attenuation
2) High saturation flux density(1.2T) and excellent large current sparks suppression effect
3) Excellent temperature characteristics due to high curie temperature Tc (580)
4) Small size
5) Low Br( 0.2T)and resistant to current bias due to electrical leakage and 3-Phase unbalanced current
Applications
common mode chokes, current transformers and ELPB
Dimension and performance
WUL-SERIES NANOCRYSTALLINE CORES WITH HIGH INDUCTANCE (STB05-04)
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AMORPHOUS AND MICROCRYSTALLINE
Features
High saturation flux density(1.25T)low core loss and high pulse permeability P
Applications
SMPSInvertersDrive transformersSingle-polar pulse transformers and semiconductor protection
Dimension and performance
1The size of core is equivalent to WUL-cores
2Performance of cores
B(Gs)
15000
10000
5000
0
-5000
-10000
-15000
-1.0 -0.5 0.0 0.5 1.0
H-field (Oe)
dc hysteresis loops for WUL cores
Pcoreloss(W/kg)
100
1
10
100
1000
1000
B (Gs)
10000
200K
100K
40K
20K
Cores loss vs flux density of WUL
%Inductance
(referedto100KHz)
100
80
60
40
20
0100 1000 10000 100000
f (Hz)
Frequency Characteristics of WUL cores
Core Core loss Lamination
codeB10 Br
P0.5T/20KHzi
factor K(T) (T)
W/Kgreference
reference
WWL- ~1.20 0.2 25.0small scale
30000-60000 0.70-0.75 30.0large scale
Other core sizes customer required are available.
Magnetic cores electromagnetism characteristics
WWL-SERIES NANOCRYSTALLINE POWER CORES(STB05-05)
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Features
High permeability (100000)low core loss and excellent frequency characteristics
ApplicationsPower and pulse transformer with smaller size under high frequency100-300KHz
Dimension and performance
1The size of cores is equal to WUL-cores
2Performance of cores
Features
High Br/Bs at 100KHz
Low core loss under high frequency
High max permeability m
Applications
Noise suppression deviceMag-Amp and magnetic switches
Dimension and performance
The size of core is equal to WUL-coreCB-type cores is small size beads cores
Performance CB and CZ cores
Electromagnetism Characteristic
Specification of CZ cores
Core Dimension mm s Ae Le
Core code Wb mm2 mmOD ID H
(min) (typ) (typ)
CZ-1204 12.0 8.0 4.5 6.3 6.3 31.4
CZ-1405 14.0 10.0 4.5 6.5 7.0 37.7
CZ-1608 16.0 10.0 8.0 14.0 16.8 40.8
CZ-2008 20.0 2.01 8.0 19.2 22.4 50.3
Specification of CB Beads
LOW Br Co-BASE AMORPHOUS CL-TYPE CORES(STB05-06)
for high frequency power transformer
CB AND CZ-TYPE Co-BASE AMORPHOUS CORES(STB05-07)
for noise suppressing and Mag-Amp
Core code P0.3T/100KHz Br Bs
(W/kg) (Gs) (Gs)
CL-60 120 600 5500
CL-80 140 500 7500
Core Dimension mm AL s Ae Le
Core OD ID HH/N2 Wb mm2 mm
code core core core(40KHz)
A/B min (min) (typ) (typ)
CB3 3.0 2.0 4.5(5.0) 5.0/5.4 1.6 1.8 7.9CB4 4.0 2.0 4.5(5.0) 9.0/10 3.3 3.6 9.4