B66202 View Datasheet(PDF) - EPCOS AG

Part Name

Description

Manufacturer

B66202

Ferrites and accessories

EPCOS AG 

E 13/7/4 (EF 12.6)

Core

B66305

■ 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)

l/A = 2.39 mm–1

le = 29.6 mm

Ae = 12.4 mm2

Amin = 12.2 mm2

Ve = 367 mm3

Approx. weight 2 g/set

Ungapped

Material

N30

T46

N27

N87

AL value

nH

1000 +30/–20%

3600 30%

800 +30/–20%

850 +30/–20%

e

1900

6839

1510

1620

PV

W/set

Ordering code

B66305G0000X130

B66305F0000X146

< 0.40 (200 mT, 100 kHz, 100 °C) B66305G0000X127

< 0.20 (200 mT, 100 kHz, 100 °C) B66305G0000X187

Gapped

Material

N27

g

mm

0.040.01

AL value approx. e

nH

250

454

Ordering code

B66305G0040X127

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”)

Material

N27

N87

Relationship between

air gap – AL value

K1 (25 °C) K2 (25 °C)

28.4

– 0.676

28.4

– 0.676

Calculation of saturation current

K3 (25 °C)

36.5

37.5

K4 (25 °C)

– 0.847

– 0.796

K3 (100 °C) K4 (100 °C)

33.2

– 0.865

32.1

– 0.873

Validity range:

K1, K2: 0.03 mm < s < 1.00 mm

K3, K4: 30 nH < AL < 260 nH

Please read Cautions and warnings and

Important notes at the end of this document.

2 06/13

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