B66421GX187 [ETC]
FERRIT HALBKERN FERRIT HALBKERN ; FERRIT HALBKERN FERRIT HALBKERN\n
| 型号： | B66421GX187 |
| 厂家： | 
ETC |
| 描述： | FERRIT HALBKERN FERRIT HALBKERN
|
| 文件： | 总2页 (文件大小：150K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Jump tEo pFreDced2in5g/p1a3ge/9
Core
B66421
● E core with flattened, lower center leg
for especially flat transformer design
● For DC/DC converters
● EFD cores are supplied as single units
Magnetic characteristics (per set)
Σl/A = 0,98 mm–1
le
= 57 mm
Ae = 58 mm2
Amin = 57 mm2
Ve = 3310 mm3
Approx. weight 16,6 g/set
Ungapped
Material AL value
µe
AL1min PV
nH W/set
Ordering code
nH
N67
N87
2000 + 30/– 20 % 1560 1280 2,10
(200 mT, 100 kHz, 100 ˚C)
2000 + 30/– 20 % 1560 1280 1,80
B66421-G-X167
B66421-G-X187
(200 mT, 100 kHz, 100 ˚C)
Gapped
Material AL value
µe
g
Ordering code
** = 67 (N67)
= 87 (N87)
approx.
mm
nH
N67,
N87
160 ± 10 %
250 ± 10 %
315 ± 10 %
125
195
246
0,55
0,30
0,22
B66421-U160-K1**
B66421-U250-K1**
B66421-U315-K1**
The AL 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)
Material
Relationship between
air gap – AL value
Calculation of saturation current
K1 (25 ˚C)
103
K2 (25 ˚C)
K3 (25 ˚C)
150
K4 (25 ˚C)
– 0,820
K3 (100 ˚C) K4 (100 ˚C)
N67
N87
– 0,734
– 0,734
142
138
– 0,881
– 0,873
103
154
– 0,796
Validity range:
K1, K2: 0,10 mm < s < 1,40 mm
K3, K4: 50 nH < AL < 410 nH
554
Siemens Matsushita Components
EFD 25/13/9
Accessories
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B66422
Coil former
Material:
GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085:
max.operating temperature 155 ˚C), color code green
F
Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 ˚C, 2 s
Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 ˚C, 3,5 s
Winding:
see page 156
Squared pins
Yoke
● Material: Stainless spring steel (0,4 mm)
Coil former
Ordering code
Sections
AN
lN
mm
AR value
µΩ
Pins
10
mm2
1
40,7
50
42,3
B66422-B1010-D1
B66422-B2000
Yoke (ordering code per piece, 2 are required)
Coil former
Yoke
25±0,2
13,1_0,15
View A
Mounting holes
1
2
3
4
5
10
6
5
ø 1,3+0,1
1
10
9
8
7
6
5
Thermosetting plastic
4 x 5 = 20
Marking of pin 1
18 _0,25
11,7+0,2
18 _0,2
16,4 min.
0,6
CuSn6, tinned
FEK0330-M
Siemens Matsushita Components
555
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