參數(shù)資料
型號: EFD25
廠商: NXP Semiconductors N.V.
英文描述: EFD cores and accessories
中文描述: EFD的內(nèi)核及配件
文件頁數(shù): 2/6頁
文件大?。?/td> 64K
代理商: EFD25
1997 Nov 21
2
Philips Components
Product specication
EFD cores and accessories
EFD25
CORES
Effective core parameters
SYMBOL
PARAMETER
VALUE
UNIT
Σ(I/A)
core factor (C1)
1.00
mm1
Ve
effective volume
3300
mm3
Ie
effective length
57.0
mm
Ae
effective area
58.0
mm2
Amin
minimum area
55
mm2
m
mass of core half
≈8g
Fig.1 EFD25 core half.
Dimensions in mm.
handbook, halfpage
MGC342
11.4
0.2
18.7 0.6
25 0.65
9.3
0.25
12.5
0.15
5.2
0.15
0.6
9.1
0.2
Core halves
Gapped cores are available on request. Clamping force 40
±20 N.
Properties of core sets under power conditions
GRADE
AL
(nH)
e
AIR GAP
(
m)
TYPE NUMBER
3C30
1800
±25%
≈1450
≈0
EFD25-3C30
3C85
2200
±25%
≈1780
≈0
EFD25-3C85
3C90
2200
±25%
≈1780
≈0
EFD25-3C90
3F3
2000
±25%
≈1600
≈0
EFD25-3F3
3F4
1000
±25%
≈800
≈0
EFD25-3F4
GRADE
B (mT) at
CORE LOSS (W) at
H = 250 A/m;
f = 25 kHz;
T = 100
°C
f=25kHz;
= 200 mT;
T = 100
°C
f = 100 kHz;
= 100 mT;
T = 100
°C
f = 400 kHz;
=50mT;
T = 100
°C
f = 1 MHz;
=30mT;
T = 100
°C
f = 3 MHz;
=10mT;
T = 100
°C
3C30
≥360
≤0.35
≤0.38
3C85
≥320
≤0.50
≤0.60
3C90
≥330
≤0.35
≤0.38
3F3
≥315
≤0.38
≤0.66
3F4
≥300
≤0.70
≤1.10
B
B
B
B
B
相關(guān)PDF資料
PDF描述
EFD25-3C30 EFD cores and accessories
EFD25-3C85 EFD cores and accessories
EFD25-3C90 EFD cores and accessories
EFD25-3F3 EFD cores and accessories
EFD25-3F4 EFD cores and accessories
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