U33-22-9 Datasheet, PDF (2/3 Pages) Ferroxcube International Holding B.V. – U, I cores and accessories

Ferroxcube
U, I cores and accessories
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
Σ(I/A)
core factor (C1)
V_e
effective volume
I_e
effective length
A_e
effective area
m
mass of core half
VALUE UNIT
1.27
mm^−1
9490 mm³
110
mm
86.5 mm²
≈ 24 g
handbook, halfpage
33.3 ± 0.8
14.3
± 0.5
U33/22/9
(1F30)
12.7
± 0.25
22.2
± 0.15
9.4
± 0.25
MGB553
Dimensions in mm.
Fig.1 U33/22/9 core half.
Core halves
A_L measured on a combination of 2 U cores.
GRADE
A_L
(nH)
3C81
3C91
2300 ±25%
2300 ±25%
Properties of core sets under power conditions
GRADE
3C81
3C91
B (mT) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
≥320
≥320
f = 25 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 2.2
−
Note
Note
1. Measured at 60 °C.
µ_e
≈ 2320
≈ 2320
TYPE NUMBER
U33/22/9-3C81
U33/22/9-3C91
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 100 mT;
T = 100 °C
−
≤ 0.57⁽¹⁾
f = 100 kHz;
B^ˆ = 200 mT;
T = 100 °C
−
≤ 4.3⁽¹⁾
2008 Sep 01
1334