EFD25-3C85 PHILIPS [NXP Semiconductors], EFD25-3C85 Datasheet - Page 2

• Manufacturer Part Number: EFD25-3C85
• Description: EFD cores and accessories
• Manufacturer: PHILIPS [NXP Semiconductors]

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