2

06/13

Please read Cautions and warnings and



Important notes at the end of this document.

■

Size based on US lam. size E cores



US designation E2425

■

E cores with high permeability for common-mode



chokes and broadband applications

■

Delivery mode: single units

Magnetic characteristics (per set)

= 49.2 mm



Approx. weight 9.6 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 < 2.00 mm



Material

nH



e

W/set

Ordering code

N30

2700 +30/–20%

2720

B66315G0000X130

T46

8500

30%

8570

B66315F0000X146

N27

1500 +30/–20%

1510

< 0.36 (200 mT, 25 kHz, 100 °C)

B66315G0000X127

N87

1670 +30/–20%

1690

< 1.00 (200 mT, 100 kHz, 100 °C)

B66315G0000X187

Material

g





mm

approx.



nH



e

Ordering code

N27

0.50

0.05

122

123

B66315G0500X127

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

75

–0.707

106

–0.847

97

–0.865

N87

75

–0.707

106

–0.796

94

–0.873

B66315

Core

E 25.4/10/7