English
Flat wire surface area up to 60% more, means at higher frequencies flat wire support better skin effect, better for design higher current solutions, popular in UPS, solar, automotive, industry application.
Material Option:
Powder cores are distributed air gap cores, with excellent inductance stability under both DC &AC conditions, high resistivity, low hysteresis & eddy current losses.
For different application request, we suggest different powder core:
1). For lowest loss inductor, the ultra low losses Kool Mμ Hf and MPP Powder cores are goods.
2). For the smallest core size in a DC Bias dominated design, the HIGH FLUX &EDGE powder cores with highest flux capacity are suggested.
3). For competitive cost, but reasonable low core loss & high saturation,Kool Mu powder core is good choice.
4). For low & medium frequency inductors and chokes, high saturation XFlux powder cores are much more economical, high saturation material (1.6T).
|
|
Kool Mµ |
Kool Mµ Max |
Kool Mµ Hƒ |
Xflux |
High Flux |
Edge |
MPP |
|
|
Allay composition |
FeSiAl |
FeSiAl |
FeSiAl |
FeSi |
FeNi |
FeNi |
FeNiMa |
|
|
Available Permeabilities |
14-125 |
14-60 |
26,60 |
19-125 |
14-160 |
26,60 |
14-550 |
|
|
Core Loss, 60µ(mW/cc) |
50KHz, 1000G |
215 |
200 |
120* |
575 |
250 |
150 |
165 |
|
100KHz, 1000G |
550 |
550 |
325* |
1280 |
625 |
375 |
450 |
|
|
Perm vs. DC Bias-60µ (Oe) |
80% of µ1 |
45 |
65 |
60 |
100 |
100 |
130* |
60 |
|
50% of µ2 |
95 |
130 |
115 |
170 |
185 |
205* |
105 |
|
|
60µ Temperature Stability - Typical % shift from -60 to 200°C |
6% |
3% |
5% |
4% |
4.50% |
2% |
2.50% |
|
|
Curie Temperature |
500°C |
500°C |
500°C |
700°C |
500°C |
500°C |
460°C |
|
|
Saturation Flux Density (Tesla) |
1 |
1 |
1 |
1.6 |
1.5 |
1.5 |
0.8 |
|
|
Frequency Response -60µ flat to... |
5MHz |
15MHz |
30MHz |
3MHz |
3MHz |
20MHz |
6MHz |
|
|
Relative Cost |
1x* |
2x |
2x |
1.2x |
4x-6x |
5x |
7x-9x |
|
Inductors Advantage Comparing:
|
|
Classic EI, EE, C foil inductors |
Toroidal round wire inductor |
Flat wire toroidal inductor |
|
Component |
EI,EE,C Core |
Toroidal Core |
Powder Core |
|
Toroidal Wire |
Toroidal Wire |
Flat Wire |
|
|
Power range |
20KVA ~500KVA |
|
3KVA ~ 100KVA |
|
Material use efficiency |
Poor |
Good |
Excellent |
|
Magnetic field homogeneity |
Poor |
Excellent |
Excellent |
|
Manufacturing Process |
Hard |
Easy |
Easy |
|
Parasitic capacitance |
High |
Low |
Very low |
|
Insulation reliability |
Poor |
High |
Very high |
|
Cooling efficiency |
Poor |
High |
High |
|
High Power coil losses >100kVA |
Good |
Medium |
Poor |
|
DCR high power >100kVA |
Excellent |
Good |
Poor |
|
Filling factor |
Good |
Good |
Medium |
Compared the classic EI,EE,C foil inductors, Toroidal cores replacement comes more and more popular, because of:
A). LOWER PARASITIC CAPACITANCE
B). SAFER MANUFACTURING PROCESS
C) . DM NOISE POLLUTION REDUCTION & LOWER EMI ELECTROMAGNETIC INTERFERENCE
D) .LEAKAGE FLUX
Main Application:
New patterns of power consumption and generation are reshaping the way electricity distribution networks are used.
Flat Wire Toroidal Inductors are widely used as Booster Inductor & Inverter Inductor, which popular application in:
Relevant electrical parameters required for inductance design
|
No. |
Item |
Spec value (with unit) |
Remark |
|
1 |
Circuit topology form |
|
like : boost , invert, etc... |
|
2 |
Input voltage |
|
|
|
3 |
Output voltage |
|
|
|
4 |
Carrier frequency（working frequency） |
|
necessary |
|
5 |
Rate current |
|
necessary |
|
6 |
Inductance at rated current |
|
necessary |
|
7 |
Peak current |
|
necessary |
|
8 |
Inductance at peak current |
|
necessary |
|
9 |
Temperature rise requirements |
|
|
|
10 |
Cooling mode |
|
Fan cooling or water cooling |
|
11 |
Volume requirements |
|
|
|
12 |
Application area |
|
like UPS, CHARGE , ETC... |
|
13 |
Ripple requirements |
|
|
As an leading manufacturer of amorphous and nanocrystalline core products, Coilcore provides quality services to customers with high-performance products and one-stop solutions. By leaving a message below to get more details about Flat Wire Toroidal Inductor quickly!
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For inquiries about our products or pricelist, please leave to us and we will be in touch within 24 hours.
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Tel : +86-20-85649266
Fax : +86-20-85649263
Email Us :
Email : derful@coilcore.com
Address :
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