B66329 datasheet(1/3 Pages) EPCOS

Part #	B66329

Description	E 42/21/20 Core

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Manufacturer	EPCOS [EPCOS]

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427 08/01

I In accordance with IEC 61246

I E cores are supplied as single units

Magnetic characteristics (per set)

Σl/A = 0,41 mm–1

le

= 97 mm

Ae

= 234 mm2

Amin = 229 mm2

Ve

= 22 700 mm3

Approx. weight 116 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: 0,10 mm < s < 3,00 mm

K3, K4: 160 nH < AL < 1500 nH

Mate-

rial

AL value

nH

µe

AL1min

nH

PV

W/set

Ordering code

N27

4750 + 30/– 20 % 1560 3800

< 4,40 (200 mT, 25 kHz, 100 °C) B66329-G-X127

N87

5200 + 30/– 20 % 1690 3800

< 12,00 (200 mT, 100 kHz, 100 °C) B66329-G-X187

Mate-

rial

g

mm

AL value approx.

nH

µe

Ordering code

N27

0,25

± 0,02

1029

338

B66329-G250-X127

0,50

± 0,05

603

198

B66329-G500-X127

1,00

± 0,05

354

116

B66329-G1000-X127

1,50

± 0,05

259

85

B66329-G1500-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

354

– 0,770

574

– 0,847

534

– 0,865

N87

354

– 0,770

555

– 0,796

521

– 0,873

B66329

Core

E 42/21/20

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