Datasheet > B66421GX187

B66421GX187

更新时间： 2024-01-19 23:02:04

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页数	文件大小	规格书
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描述
FERRIT HALBKERN FERRIT HALBKERN

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中文翻译

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数据手册

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B66421GX187 数据手册

_{Jump t}E_{o p}F_reD_ced2_in5_g/_p1_a3_ge/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

l_e

= 57 mm

A_e= 58 mm²

A_min= 57 mm²

V_e= 3310 mm³

Approx. weight 16,6 g/set

Ungapped

Material A_Lvalue

µ_e

A_L1minP_V

nH W/set

Ordering code

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 A_Lvalue

µ_e

Ordering code

** = 67 (N67)

= 87 (N87)

approx.

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 A_Lvalue 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 – A_Lvalue

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

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 < A_L< 410 nH

554

Siemens Matsushita Components

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