Philips Components
Product speci鏗乧ation
ETD cores and accessories
CORE SETS
Effective core parameters
SYMBOL
危(I/A)
V
e
I
e
A
e
A
min
m
PARAMETER
core factor (C1)
effective volume
effective length
effective area
minimum area
mass of core half
VALUE
0.947
5470
72
76
71
鈮?4
UNIT
mm
鈭?
mm
3
mm
mm
2
mm
2
g
0
30.6 1.6
22 1.4
0
0
9.8 0.6
0
9.8 0.6
MGC259
ETD29
handbook, halfpage
11
0.3
15.8
0.2
Dimensions in mm.
Fig.1 ETD29 core half.
Core halves
Clamping force 40
鹵20
N. Gapped cores are available on request.
GRADE
3C30
3C85
3C90
3F3
A
L
(nH)
1900
鹵25%
2350
鹵25%
2350
鹵25%
2200
鹵25%
碌
e
鈮?500
鈮?850
鈮?850
鈮?700
AIR GAP
(碌m)
鈮?
鈮?
鈮?
鈮?
TYPE NUMBER
ETD29-3C30
ETD29-3C85
ETD29-3C90
ETD29-3F3
Properties of core sets under power conditions
B (mT) at
GRADE
H = 250 A/m;
f = 25 kHz;
T = 100
擄C
鈮?60
鈮?20
鈮?30
鈮?20
f = 25 kHz;
藛
= 200 mT;
B
T = 100
擄C
鈮?.55
鈮?.80
鈮?.55
鈭?/div>
CORE LOSS (W) at
f = 100 kHz;
藛
B = 100 mT;
T = 100
擄C
鈮?.60
鈮?.90
鈮?.60
鈮?.65
f = 400 kHz;
藛
B = 50 mT;
T = 100
擄C
鈭?/div>
鈭?/div>
鈭?/div>
鈮?.1
3C30
3C85
3C90
3F3
1997 Nov 21
355
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