2

09/06

Please read Cautions and warnings and

Important notes at the end of this document.

Magnetic characteristics (per set)

= 97 mm

Approx. weight 88 g/set

Ungapped

Gapped

one gapped core (dimension g > 0).

Calculation factors (for formulas, see “E cores: general information”)

Validity range:

K1, K2: 0.10 mm < s < 2.50 mm

Material

nH

µ

e

W/set

Ordering code

N27

3500 +30/–20%

1510

< 3.30 (200 mT, 25 kHz, 100 °C)

B66325G0000X127

N87

3950 +30/–20%

1690

< 9.00 (200 mT, 100 kHz, 100 °C)

B66325G0000X187

Material

g

mm

approx.

nH

µ

e

Ordering code

N27

0.10

±0.02

1497

647

B66325G0100X127

0.25

±0.02

759

328

B66325G0250X127

0.50

±0.05

454

196

B66325G0500X127

0.64

±0.05

378

164

B66325G0640X127

1.00

±0.05

272

118

B66325G1000X127

1.50

±0.05

201

87

B66325G1500X127

Material

Relationship between

Calculation of saturation current

K1 (25 °C)

K2 (25 °C)

K3 (25 °C)

K4 (25 °C)

K3 (100 °C)

K4 (100 °C)

N27

272

–0.741

436

–0.847

406

–0.865

N87

272

–0.741

423

–0.796

396

–0.873

FEK0235-M

29.5+1.2

0.5

0.7

_

+1

42

12.2 0.5

_

B66325

Core

E 42/21/15