Datasheet > B66417-G-X187

B66417-G-X187

更新时间： 2024-02-18 11:13:48

品牌	Logo	应用领域
爱普科斯 - EPCOS		/
页数	文件大小	规格书
3页	85K
描述
EFD 20/10/7 Core

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数据手册

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B66417-G-X187 数据手册

EFD 20/10/7

Core

B66417

ꢀ 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)

–1

Σl/A = 1,52 mm

= 47 mm

= 31 mm

min

= 1 460 mm

Approx. weight 7,2 g/set

Ungapped

Material A value

Ordering code

L1min

W/set

N49

N87

910 + 30/– 20 % 1100 750

1200 + 30/– 20 % 1440 660

< 0,29

B66417-G-X149

B66417-G-X187

(50 mT, 500 kHz, 100 °C)

< 1,05

(200 mT, 100 kHz, 100 °C)

Gapped

Material A value

Ordering code

approx. mm

N87

100 10 %

160 10 %

120

193

0,49

0,25

B66417-U100-K187

B66417-U160-K187

The A 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 (for formulas, see “E cores: general information”, page 382)

Material

Relationship between

air gap – A value

Calculation of saturation current

K1 (25 °C) K2 (25 °C) K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C)

61,1 – 0,699 85,4 – 0,796 75,7 – 0,873

N87

Validity range:

K1, K2: 0,10 mm < s < 1,40 mm

K3, K4: 50 nH < A < 410 nH

510 08/01

12 3

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