B66350(2006) データシートの表示（PDF） - EPCOS AG

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B66350
(Rev.:2006)

Ferrites and accessories

EPCOS AG 

ER 35/20/11

Core

■ To IEC 62317-7

■ Round center leg particularly suitable

for use of thick winding wires or tapes

■ For compact winding design with

low leakage inductance

■ Delivery mode: single units

Magnetic characteristics (per set)

Σl/A = 0.81 mm–1

le = 89.6 mm

Ae = 111 mm2

Amin = 101 mm2

Ve = 9930 mm3

Approx. weight 52 g/set

B66350

Ungapped

Material

N27

N87

AL value

nH

2500 +30/–20%

2700 +30/–20%

µe

1610

1735

PV

W/set

Ordering code

< 1.95 (200 mT, 25 kHz, 100 °C) B66350G0000X127

< 5.20 (200 mT, 100 kHz, 100 °C) B66350G0000X187

Gapped

Material g

mm

AL value

µe

approx.

nH

N27

0.50 ±0.05

275

177

1.00 ±0.05

170

109

1.50 ±0.05

125

80

Ordering code

B66350G0500X127

B66350G1000X127

B66350G1500X127

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

Relationship between

air gap – AL value

K1 (25 °C) K2 (25 °C)

169

– 0.706

Calculation of saturation current

K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C)

275

– 0.847

256

– 0.865

Validity range:

K1, K2: 0.10 mm < s < 2.50 mm

K3, K4: 90 nH < AL < 600 nH

Please read Cautions and warnings and

Important notes at the end of this document.

2 09/06

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