2008 Sep 01

6

Ferroxcube

EFD cores and accessories

EFD15/8/5

COIL FORMERS

General data

Winding data and area product for EFD15/8/5 coil former (SMD)

PARAMETER

SPECIFICATION

Coil former material

liquid crystal polymer (LCP), glass reinforced, flame retardant in accordance

with “UL 94V-0”; UL file number E54705 (M)

Solder pad 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: 235

°C, 2 s

NUMBER

OF

SECTIONS

NUMBER

OF SOLDER

PADS

WINDING

AREA

MINIMUM

WINDING

WIDTH

(mm)

AVERAGE

LENGTH OF

TURN

(mm)

AREA

PRODUCT

Ae x Aw

TYPE NUMBER

1

10

16.0

8.9

26

240

CPHS-EFD15-1S-10P

CBW499

7.35

max.

0.4

17

2.8

2.7

−0.2 3.75 −0.2

10.5

15.1 max.

6.85

−0.2

10

5.4

+0.2

5

21.3

18.2

15.1 max.

0.8

10.5

−0.2

8.9 min.

1.6

2.5

Fig.4 EFD15/8/5 coil former (SMD); 10-solder pads.

Dimensions in mm.