TX29-19-7.6 データシートの表示（PDF） - Ferroxcube International Holding B.V.

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TX29-19-7.6

Ferrite toroids

Ferroxcube International Holding B.V. 

Ferroxcube

Ferrite toroids

TX29/19/7.6

RING CORES (TOROIDS)

Effective core parameters

SYMBOL

PARAMETER

Σ(I/A)

core factor (C1)

Ve

effective volume

Ie

effective length

Ae

effective area

m

mass of core

VALUE UNIT

2.06

mm−1

2600 mm3

73.2 mm

35.5 mm2

≈ 13 g

Coating

The cores are coated with epoxy, flame retardant in

accordance with “UL 94V-0”; UL file number E 228348.

The colour is white.

Maximum operating temperature is 200 °C.

Isolation voltage

DC isolation voltage: 2000 V.

Contacts are applied on the edge of the ring core, which is

also the critical point for the winding operation.

29.25 ± 0.7

18.75 ± 0.6

( 0.12) coating EPOXY

CBW392

7.85

± 0.5

Dimensions in mm.

Fig.1 TX29/19/7.6 ring core.

Ring core data

GRADE

3C81

3E27

AL

(nH)

1740 ± 20%

3225 ± 20%

Properties of cores under power conditions

GRADE

3C81

B (mT) at

H = 250 A/m;

f = 25 kHz;

T = 100 °C

≥320

µi

≈ 2 800

≈ 5300

TYPE NUMBER

TX29/19/7.6-3C81

TX29/19/7.6-3E27

CORE LOSS (W) at

f = 25 kHz;

Bˆ = 200 mT;

T = 100 °C

≤ 0.53

2008 Sep 01

1707

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