B66325 datasheet(1/2 Pages) EPCOS

Part #	B66325

Description	E 42/21/15 Core

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Manufacturer	EPCOS [EPCOS]

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426 08/01

I In accordance with IEC 61246

I E cores are supplied as single units

Magnetic characteristics (per set)

Σl/A = 0,54 mm–1

le

= 97 mm

Ae

= 178 mm2

Amin = 175 mm2

Ve

= 17 300 mm3

Approx. weight 88 g/set

Ungapped

Gapped

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”, page 382)

Validity range:

K1, K2: 0,10 mm < s < 2,50 mm

K3, K4: 1210 nH < AL < 130 nH

Material

AL value

nH

µe

AL1min

nH

PV

W/set

Ordering code

N27

3500 + 30/– 20 % 1510 2900

< 3,30

(200 mT, 25 kHz, 100°C)

B66325-G-X127

N87

3950 + 30/– 20 % 1690 2900

< 9,00

(200 mT, 100 kHz, 100°C)

B66325-G-X187

Material

g

mm

AL value

approx. nH

µe

Ordering code

N27

0,10

± 0,02

1497

647

B66325-G100-X127

0,25

± 0,02

759

328

B66325-G250-X127

0,50

± 0,05

454

196

B66325-G500-X127

0,64

± 0,05

378

164

B66325-G640-X127

1,00

± 0,05

272

118

B66325-G1000-X127

1,50

± 0,05

201

87

B66325-G1500-X127

Material

Relationship between

air gap – AL value

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

B66325

Core

E 42/21/15

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