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參數(shù)資料
| 型號： | B66421GX187 |
| 英文描述： | FERRIT HALBKERN FERRIT HALBKERN |
| 中文描述： | 鐵氧體材料HALBKERN鐵氧體材料HALBKERN |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 190K |
| 代理商： | B66421GX187 |
556
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 = 0,99 mm
–1
l
e
= 68 mm
A
e
= 69 mm
2
A
min
= 69 mm
2
V
e
= 4690 mm
3
Approx. weight
24 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 < 2,00 mm
K3, K4: 70 nH < A
L
< 630 nH
Material
A
L
value
nH
2050 + 30/– 20 % 1610
μ
e
A
L1min
nH
1280
P
V
W/set
3,00
(200 mT, 100 kHz, 100 C)
2,60
(200 mT, 100 kHz, 100 C)
Ordering code
N67
B66423-G-X167
N87
2050 + 30/– 20 % 1610
1280
B66423-G-X187
Material
A
L
value
nH
160
±
10 %
250
±
10 %
315
±
10 %
μ
e
g
approx.
mm
0,71
0,38
0,27
Ordering code
** = 67 (N67)
= 87 (N87)
B66423-U160-K1**
B66423-U250-K1**
B66423-U315-K1**
N67,
N87
125
196
246
Material
Relationship between
air gap – A
L
value
K1 (25 C)
125
125
Calculation of saturation current
K2 (25 C)
– 0,712
– 0,712
K3 (25 C)
172
176
K4 (25 C)
– 0,820
– 0,796
K3 (100 C)
166
161
K4 (100 C)
– 0,881
– 0,873
N67
N87
EFD 30/15/9
Core
B66423
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| B66421-G-X187 | 制造商:EPCOS 制造商全稱:EPCOS 功能描述:EFD 25/13/9 Core |
| B66421GX187 | 制造商:TDK-EPC 功能描述:CORE HALF EFD25 |
| B66421GX192 | 制造商:TDK Epcos 功能描述:FERRITE CORES |
| B66421GX197 | 功能描述:EMI/RFI 抑制器及鐵氧體 EFD25/13/9 N97OL RoHS:否 制造商:Fair-Rite 產(chǎn)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 |
| B66421U 160K187 | 制造商:TDK-EPC 功能描述:EFD 25/13/9 N87 160 +10%-10% |
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