Datasheet > 4330-030-35260

4330-030-35260

更新时间： 2024-11-20 23:21:27

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CORE TOROID TL25/15/10-3E5

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Philips Components

Product speciﬁcation

Ferrite ring cores (toroids)

TN25/15/10

RING CORES (TOROIDS)

Effective core parameters

SYMBOL

PARAMETER

core factor (C1)

VALUE UNIT

25.8 ±0.7

handbook, halfpage

Σ(I/A)

V_e

1.23

2944

60.2

48.9

≈15

mm⁻¹

mm³

mm²

effective volume

effective length

effective area

mass of core

I_e

A_e

Coating

14.0 ±0.6

The cores are coated with polyamide 11 (PA11), flame

retardant in accordance with “UL 94V-2”; UL file number

E 45228 (M).

coating PA11

(≈0.3)

10.6

±0.5

Isolation voltage

CBW306

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.

Dimensions in mm.

Fig.1 TN25/15/10 ring core.

Ring core data

A_L

GRADE

µ_i

COLOUR CODE

blue

TYPE NUMBER

TN25/15/10-3F3

(nH)

3F3

1840 ±25%

2350 ±25%

4400 ±25%

5620 ±25%

8680 ±30%

10200 ±30%

≈1800

≈2300

≈4300

≈5500

≈8500

≈10000

3C90

3C11

3E25

3E5⁽¹⁾

3E6⁽¹⁾

ultramarine

white

TN25/15/10-3C90

TN25/15/10-3C11

TN25/15/10-3E25

TL25/15/10-3E5

TL25/15/10-3E6

orange

yellow/white

purple/white

Note

1. Ring cores in 3E5 and 3E6 are lacquered (polyurethane) and have different dimensions:

Outside diameter = 25.25 ±0.7 mm; Inside diameter = 14.75 ±0.6 mm; Height = 10.25 ±0.5 mm; flame retardant in

accordance with “UL 94V-2”; UL file number E 192048.

Properties of cores under power conditions

B (mT) at

CORE LOSS (W) at

f = 100 kHz;

H = 250 A/m;

f = 25 kHz;

T = 100 °C

f = 25 kHz;

B = 200 mT;

T = 100 °C

f = 400 kHz;

B = 50 mT;

GRADE

B = 100 mT;

T = 100 °C

3C90

3F3

≥320

≤0.33

≤0.32

−

≤0.56

1999 Dec 23

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