ETD49 datasheet(3/5 Pages) FERROXCUBE

3 / 5 page

2008 Sep 01

Ferroxcube

ETD cores and accessories

ETD49/25/16

COIL FORMERS

General data 20-pins ETD49/25/16 coil former

Winding data and area product for 20-pins ETD49/25/16 coil former

Note

Also available with

∅1.0 mm pins.

PARAMETER

SPECIFICATION

Coil former material

polybutyleneterephtalate (PBT), glass-reinforced, flame retardant

in accordance with “UL 94V-0”; UL file number E45329(R)

Pin material

copper-tin alloy (CuSn), tin (Sn) plated

Maximum operating temperature

155

°C, “IEC 60085”, class F

Resistance to soldering heat

“IEC 60068-2-20” , Part 2, Test Tb, method 1B, 350

°C, 3.5 s

Solderability

“IEC 60068-2-20”, Part 2, Test Ta, method 1

NUMBER OF

SECTIONS

WINDING

AREA

(mm2)

MINIMUM

WINDING

WIDTH

(mm)

AVERAGE

LENGTH OF

TURN

(mm)

AREA

PRODUCT

Ae x Aw

(mm4)

TYPE NUMBER

273

32.7

57600

CPH-ETD49-1S-20P(1)

handbook, full pagewidth

5.08

45.72

57.2 max.

32.7 min.

40.64

50.1 min.

54.5 max.

40.6

max.

5.08

0.8

CBW277

1.6 +

0.15

17 +

0.3

35.2

−0.3

35.9

−0.2

∅19.2 0

−0.3

Fig.2 ETD49/25/16 coil former; 20-pins.

Dimensions in mm.

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