I25 Datasheet, PDF (2/3 Pages) Ferroxcube International Holding B.V. – U, I cores and accessories

Ferroxcube
U, I cores and accessories
I25/6/6
(376B250)
CORE SETS
Effective core parameters measured in combination
with U25/16/6
SYMBOL
PARAMETER
Σ(I/A)
core factor (C1)
V_e
effective volume
I_e
effective length
A_e
effective area
m
mass of I core
VALUE UNIT
1.59
mm^−1
2590 mm³
64.3 mm
40.3 mm²
≈ 4.5 g
handbook, halfpage
25.4
+0.64
−0.25
6.4
±0.13
CBW139
Dimensions in mm.
Fig.1 I25/6/6 core.
Core halves
A_L measured in combination with “U25/16/6” .
GRADE
A_L
(nH)
3C81
3C90
3C91
3C94
3C11
3E27
1750 ±25%
1500 ±25%
1750 ±25%
1500 ±25%
2500 ±25%
3000 ±25%
Properties of core sets under power conditions
Measured in combination with “U25/16/6”.
GRADE
3C81
3C90
3C91
3C94
B (mT) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
≥320
≥320
≥320
≥320
f = 25 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 0.6
≤ 0.3
−
−
Note
1. Measured at 60 °C.
µ_e
≈ 2210
≈ 1900
≈ 2210
≈ 1900
≈ 3160
≈ 3800
TYPE NUMBER
I25/6/6-3C81
I25/6/6-3C90
I25/6/6-3C91
I25/6/6-3C94
I25/6/6-3C11
I25/6/6-3E27
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 100 mT;
T = 100 °C
−
≤ 0.3
≤ 0.18⁽¹⁾
≤ 0.23
f = 100 kHz;
B^ˆ = 200 mT;
T = 100 °C
−
−
≤ 1.2⁽¹⁾
≤ 1.6
2008 Sep 01
1322