EFD25-3C85 PHILIPS [NXP Semiconductors], EFD25-3C85 Datasheet - Page 2
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EFD25-3C85
Manufacturer Part Number
EFD25-3C85
Description
EFD cores and accessories
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.EFD25-3C85.pdf
(6 pages)
Philips Components
CORES
Effective core parameters
Core halves
Gapped cores are available on request. Clamping force 40 20 N.
Properties of core sets under power conditions
1997 Nov 21
SYMBOL
V
I
A
A
m
3C30
3C85
3C90
3F3
3F4
3C30
3C85
3C90
3F3
3F4
e
GRADE
GRADE
(I/A)
e
e
min
EFD cores and accessories
core factor (C1)
effective volume
effective length
effective area
minimum area
mass of core half
H = 250 A/m;
f = 25 kHz;
T = 100 C
B (mT) at
PARAMETER
1800 25%
2200 25%
2200 25%
2000 25%
1000 25%
360
320
330
315
300
(nH)
A
L
B ˆ
f = 25 kHz;
T = 100 C
= 200 mT;
0.35
0.50
0.35
1.00
3300
57.0
58.0
55
VALUE
8
1450
1780
1780
1600
800
mm
mm
mm
mm
mm
g
f = 100 kHz;
B ˆ
e
T = 100 C
UNIT
= 100 mT;
3
2
2
0.38
0.60
0.38
0.38
1
2
handbook, halfpage
Dimensions in mm.
CORE LOSS (W) at
f = 400 kHz;
B ˆ
T = 100 C
= 50 mT;
AIR GAP
12.5
0.66
0.15
( m)
9.1
0.2
0
0
0
0
0
9.3
0.25
0.6
Fig.1 EFD25 core half.
B ˆ
T = 100 C
f = 1 MHz;
18.7 0.6
25 0.65
= 30 mT;
EFD25-3C30
EFD25-3C85
EFD25-3C90
EFD25-3F3
EFD25-3F4
11.4
0.70
0.2
TYPE NUMBER
MGC342
Product specification
B ˆ
T = 100 C
f = 3 MHz;
5.2
0.15
EFD25
= 10 mT;
1.10