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參數資料
| 型號： | B66418B2000 |
| 英文描述： | FERRIT HALBKERN KLAMMER |
| 中文描述： | 鐵氧體材料HALBKERN KLAMMER |
| 文件頁數： | 1/2頁 |
| 文件大小： | 182K |
| 代理商： | B66418B2000 |
552
Siemens Matsushita Components
G
E core with flattened, lower center leg
for especially flat transformer design
G
For DC/DC converters
G
EFD cores are supplied as single units
Magnetic characteristics
(per set)
Σ
l/A = 1,52 mm
–1
l
e
= 47 mm
A
e
= 31 mm
2
A
min
= 31 mm
2
V
e
= 1460 mm
3
Approx. weight
7,2 g/set
Ungapped
Gapped
The A
L
value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
one gapped core (dimension g > 0).
Calculation factors
(see page
423
for formulas)
Validity range:
K1, K2: 0,10 mm < s < 1,40 mm
K3, K4: 50 nH < A
L
< 410 nH
Material
A
L
value
nH
910 + 30/– 20 % 1100
μ
e
A
L1min
nH
750
P
V
W/set
0,29
(50 mT, 500 kHz, 100 C)
1,05
(200 mT, 100 kHz, 100 C)
Ordering code
N49
B66417-G-X149
N87
1200 + 30/– 20 % 1440
660
B66417-G-X187
Material
A
L
value
nH
100
±
10 %
160
±
10 %
μ
e
g
approx.
mm
0,49
0,25
Ordering code
N87
120
193
B66417-U100-K187
B66417-U160-K187
Material
Relationship between
air gap – A
L
value
K1 (25 C)
61,1
Calculation of saturation current
K2 (25 C)
– 0,699
K3 (25 C)
85,4
K4 (25 C)
– 0,796
K3 (100 C)
75,7
K4 (100 C)
– 0,873
N87
EFD 20/10/7
Core
B66417
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相關代理商/技術參數 |
參數描述 |
|---|---|
| B66418-B2000 | 制造商:EPCOS 制造商全稱:EPCOS 功能描述:EFD 20/10/7 Core |
| B66418B2000 | 制造商:TDK Epcos 功能描述:RETAINING CLIP EFD20 |
| B66418B2000X | 功能描述:EMI/RFI 抑制器及鐵氧體 CLIP EFD20/10/7 RoHS:否 制造商:Fair-Rite 產品:Ferrite Cores 阻抗:365 Ohms 容差: 最大直流電流: 最大直流電阻: 工作溫度范圍:- 55 C to + 125 C 封裝 / 箱體: 端接類型:SMD/SMT |
| B66418-B2000X0 | 制造商:EPCOS 功能描述:Bulk |
| B66418B2000X000 | 制造商:TDK-EPC 功能描述:RETAINING CLIP EFD20 制造商:TDK-EPC 功能描述:RETAINING CLIP, EFD20 制造商:TDK-EPC 功能描述:RETAINING CLIP, STAINLESS STEEL, EFD20; Clip Style:Retaining Clip; Length:20.6mm ;RoHS Compliant: Yes 制造商:EPCOS 功能描述:Coil Former From Stainless Spring Steel Material |
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