2

06/13

Please read Cautions and warnings and

Important notes at the end of this document.

■

To IEC 61246

■

For miniature transformers

■

Available with SMD coil former

■

E cores with high permeability for common-mode

chokes and broadband applications

■

Delivery mode: single units

Magnetic characteristics (per set)

= 29.6 mm

Approx. weight 2 g/set

Ungapped

Gapped

one gapped core (dimension g > 0).

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

Validity range:

K1, K2: 0.03 mm < s < 1.00 mm

Material

nH



e

W/set

Ordering code

N30

1000 +30/–20%

1900

B66305G0000X130

T46

3600

30%

6839

B66305F0000X146

N27

800 +30/–20%

1510

< 0.40 (200 mT, 100 kHz, 100 °C)

B66305G0000X127

N87

850 +30/–20%

1620

< 0.20 (200 mT, 100 kHz, 100 °C)

B66305G0000X187

Material

g

mm

nH



e

Ordering code

N27

0.04

0.01

250

454

B66305G0040X127

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

28.4

–0.676

36.5

–0.847

33.2

–0.865

N87

28.4

–0.676

37.5

–0.796

32.1

–0.873

B66305

Core

E 13/7/4 (EF 12.6)