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
0.810
7640
78.6
97.1
91.6
鈮?0
UNIT
mm
鈭?
mm
3
mm
mm
2
mm
2
g
0
11.1 0.6
MGC176
ETD34
handbook, halfpage
0.6
11.8 0
17.3
0.2
0
35 1.6
1.4
25.6 0
0
11.1 0.6
Dimensions in mm.
Fig.1 ETD34 core half.
Core halves
Clamping force 40
鹵20
N. Gapped cores are available on request.
GRADE
3C30
3C85
3C90
3F3
A
L
(nH)
2200
鹵25%
2700
鹵25%
2700
鹵25%
2500
鹵25%
碌
e
鈮?500
鈮?870
鈮?870
鈮?750
AIR GAP
(碌m)
鈮?
鈮?
鈮?
鈮?
TYPE NUMBER
ETD34-3C30
ETD34-3C85
ETD34-3C90
ETD34-3F3
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
B = 200 mT;
T = 100
擄C
鈮?.80
鈮?.10
鈮?.80
鈭?/div>
CORE LOSS (W) at
f = 100 kHz;
藛
B = 100 mT;
T = 100
擄C
鈮?.90
鈮?.30
鈮?.90
鈮?.90
f = 400 kHz;
藛
B = 50 mT;
T = 100
擄C
鈭?/div>
鈭?/div>
鈭?/div>
鈮?.6
3C30
3C85
3C90
3F3
1997 Nov 21
358
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