B66357 datasheet(1/2 Pages) EPCOS

部件名	B66357

功能描述	ER 54/18/18 Core

PDF	2 Pages

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制造商	EPCOS [EPCOS]

网页	http://www.epcos.com

标志

1 / 2 page

475 08/01

I Round center leg particularly suitable

for use of thick winding wires or tapes

I For compact winding design with

low leakage inductance

I ER cores are supplied as single units

Magnetic characteristics (per set)

Σl/A = 0,35 mm–1

le

= 90 mm

Ae

= 256 mm2

Amin = 252 mm2

Ve

= 23 000 mm3

Approx. weight 119 g/set

Ungapped

Gapped

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

Validity range:

K1, K2: 0,15 mm < s < 3,50 mm

K3, K4: 180 nH < AL < 1800 nH

Material

AL value

nH

µe

AL1min

nH

PV

W/set

Ordering code

N27

5600 + 30/– 20 % 1560 4480

< 4,40

(200 mT, 25 kHz, 100 °C)

B66357-G-X127

N87

5800 + 30/– 20 % 1620 4480

< 12,50

(200 mT, 100 kHz, 100 °C)

B66357-G-X187

Material

g

mm

AL value approx.

nH

µe

Ordering code

N27

0,50

± 0,05

620

173

B66357-G500-X127

Material

Relationship between

air gap – AL value

Calculation of saturation current

K1 (25 °C)

K2 (25 °C)

K3 (25 °C)

K4 (25 °C)

K3 (100 °C) K4 (100 °C)

N27

360

– 0,786

635

– 0,847

590

– 0,865

N87

360

– 0,786

616

– 0,796

574

– 0,873

B66357

Core

ER 54/18/18

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