B66325 View Datasheet(PDF) - TDK Corporation

Part Name

Description

Manufacturer

B66325

Ferrites and accessories

TDK Corporation 

E 42/21/15

Core

B66325

■ To IEC 61246

■ Delivery mode: single units

Magnetic characteristics (per set)

l/A = 0.54 mm–1

le = 97 mm

Ae = 178 mm2

Amin = 175 mm2

Ve = 17300 mm3

Approx. weight 88 g/set

Ungapped

Material

N27

N87

N95

N30

N97

AL value

nH

3500 +30/–20%

3950 +30/–20%

5100 +30/–20%

7500 +30/–20%

4100 +30/–20%

e

1510

1690

2292

3252

1778

PV

W/set

< 3.30 (200 mT, 25 kHz, 100 °C)

< 9.00 (200 mT, 100 kHz, 100 °C)

< 9.60 (200 mT, 100 kHz, 25 °C)

< 8.70 (200 mT, 100 kHz, 100 °C)

< 9.00 (200 mT, 100 kHz, 100 °C)

Ordering code

B66325G0000X127

B66325G0000X187

B66325G0000X195

B66325G0000X130

B66325G0000X197

Gapped

Material

N27

g

mm

0.100.02

0.250.02

0.500.05

0.640.05

1.000.05

1.500.05

AL value approx. e

nH

1497

647

759

328

454

196

378

164

272

118

201

87

Ordering code

B66325G0100X127

B66325G0250X127

B66325G0500X127

B66325G0640X127

B66325G1000X127

B66325G1500X127

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)

272

– 0.741

272

– 0.741

Calculation of saturation current

K3 (25 °C)

436

423

K4 (25 °C)

– 0.847

– 0.796

K3 (100 °C) K4 (100 °C)

406

– 0.865

396

– 0.873

Validity range:

K1, K2: 0.10 mm < s < 2.50 mm

K3, K4: 1210 nH < AL < 130 nH

Please read Cautions and warnings and

Important notes at the end of this document.

2 06/13

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