Philips Components
Product speci鏗乧ation
EFD cores and accessories
CORES
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
2.27
510
34.0
15.0
12.2
鈮?.4
UNIT
mm
鈭?
mm
3
mm
mm
2
mm
2
g
15 0.4
11 0.35
5.3
0.15
4.65 0.2
0.15
MGC350
EFD15
handbook, halfpage
7.5
0.15
5.5
0.25
2.4
0.1
Dimensions in mm.
Fig.1 EFD15 core half.
Core sets
Clamping force 20
鹵5
N.
GRADE
3F3
A
L
(nH)
63
鹵5%
100
鹵8%
160
鹵10%
780
鹵25%
3F4
63
鹵5%
100
鹵8%
160
鹵10%
400
鹵25%
3E4
3E5
2000
+40/鈭?0%
3600
+40/鈭?0%
碌
e
鈮?15
鈮?80
鈮?90
鈮?400
鈮?15
鈮?80
鈮?90
鈮?20
鈮?610
鈮?500
AIR GAP
(碌m)
鈮?50
鈮?70
鈮?00
鈮?
鈮?50
鈮?60
鈮?0
鈮?
鈮?
鈮?
TYPE NUMBER
EFD15-3F3-A63-S
EFD15-3F3-A100-S
EFD15-3F3-A160-S
EFD15-3F3-S
EFD15-3F4-A63-S
EFD15-3F4-A100-S
EFD15-3F4-A160-S
EFD15-3F4-S
EFD15-3E4-S
EFD15-3E5-S
Properties of core sets under power conditions
B (mT) at
GRADE
H = 250 A/m;
f = 25 kHz;
T = 100
擄C
鈮?15
鈮?50
f = 100 kHz;
藛
B = 100 mT;
T = 100
擄C
鈮?.06
鈭?/div>
CORE LOSS (W) at
f = 400 kHz;
藛
B = 50 mT;
T = 100
擄C
鈮?.10
鈭?/div>
f = 1 MHz;
藛
B = 30 mT;
T = 100
擄C
鈭?/div>
鈮?.10
f = 3 MHz;
藛
B = 10 mT;
T = 100
擄C
鈭?/div>
鈮?.16
3F3
3F4
1997 Nov 21
293
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