RM7-3C90 FERROXCUBE [Ferroxcube International Holding B.V.], RM7-3C90 Datasheet - Page 2

• Manufacturer Part Number: RM7-3C90
• Description: RM, RM/I, RM/ILP cores and accessories
• Manufacturer: FERROXCUBE [Ferroxcube International Holding B.V.]

Ferroxcube
CORE SETS
Effective core parameters
Core sets for general purpose transformers and power applications
Clamping force for A
Properties of core sets under power conditions
2008 Sep 01
SYMBOL
Σ(I/A)
V
I
A
A
m
3C90
3F3
3C90
3F3
e
GRADE
e
e
min
RM, RM/I, RM/ILP cores and accessories
GRADE
effective volume
effective length
effective area
minimum area
mass of set
core factor (C1)
H = 250 A/m;
PARAMETER
f = 25 kHz;
T = 100 °C
B (mT) at
L
3000 ±25%
2500 ±25%
measurements 40 ±20 N.
≥320
≥315
100 ±3%
160 ±3%
250 ±3%
100 ±3%
160 ±3%
250 ±3%
(nH)
A
L
0.680
1325
30.0
44.1
39.6
≈ 7.5
VALUE
B ˆ
f = 25 kHz;
T = 100 °C
= 200 mT;
≤ 0.16
mm
mm
mm
mm
mm
g
≈ 1620
≈ 1350
−
UNIT
≈ 135
≈ 135
≈ 54
≈ 87
≈ 54
≈ 87
−1
3
2
2
µ
e
1233
handbook, halfpage
Dimensions in mm.
CORE LOSS (W) at
f = 100 kHz;
B ˆ
T = 100 °C
= 100 mT;
≤ 0.17
≤ 0.15
O
11.3
3.3
0.25
AIR GAP
7.25
≈ 730
≈ 410
≈ 240
≈ 730
≈ 410
≈ 240
(µm)
Fig.1 RM7/I core set.
≈ 0
≈ 0
0
0.3
O
20.3
14.75
9.3
0
0.8
0.6
0
17.2
RM7/I-3C90-A100
RM7/I-3C90-A160
RM7/I-3C90-A250
RM7/I-3C90
RM7/I-3F3-A100
RM7/I-3F3-A160
RM7/I-3F3-A250
RM7/I-3F3
TYPE NUMBER
8.4
f = 400 kHz;
0
0.7
B ˆ
T = 100 °C
= 50 mT;
MGC065
≤ 0.25
0.5
0
−
13.4
RM7/I
0.1