Datasheet > B66381-G-X127

B66381-G-X127

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
爱普科斯 - EPCOS		/
页数	文件大小	规格书
2页	75K
描述
E 40/16/12 Core

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B66381-G-X127 数据手册

E 40/16/12

Core

B66381

ꢀ Size based on US lam. size E cores

US designation E 21

ꢀ E cores are supplied as single units

Magnetic characteristics (per set)

–1

Σl/A = 0,52 mm

= 77 mm

= 149 mm

= 143 mm

min

= 11 500 mm

Approx. weight 58 g/set

Ungapped

Material

N27

A value

W/set

Ordering code

L1min

3800 + 30/– 20 % 1560 3050 < 2,15

(200 mT, 25 kHz, 100 °C)

4600 + 30/– 20 % 1900 3150 < 1,12

(200 mT, 25 kHz, 100 °C)

B66381-G-X127

B66381-G-X172

N72

Gapped

Material

A value approx.

Ordering code

N27

0,50 0,05

411

166

B66381-G500-X127

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)

239 – 0,782 378 – 0,847 351 – 0,865

N27

Validity range:

K1, K2: 0,10 mm < s < 2,50 mm

K3, K4: 130 nH < A < 1200 nH

425 08/01

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