FERROXCUBE RM7-3F4

FERROXCUBE
DATA SHEET
RM7/ILP
RM, RM/I, RM/ILP cores and
accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
RM, RM/I, RM/ILP cores and accessories
RM7/ILP
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
VALUE
UNIT
Σ(I/A)
core factor (C1)
0.520
mm−1
Ve
effective volume
1 060
mm3
Ie
effective length
23.5
mm
Ae
effective area
45.3
mm2
Amin
minimum area
39.6
mm2
m
mass of set
≈ 6.0
g
17.2
0
−0.7
handbook, halfpage
3.3
>9.3
20.3 0
−0.8
∅7.25
7.6
±0.25
0
−0.3
4.7
+0.5
0
9.8
0
−0.2
CBW129
∅15.4 max.
Dimensions in mm.
Fig.1 RM7/ILP core set.
Core sets for general purpose transformers and power applications
Clamping force for AL measurements 40 ±20 N.
GRADE
AL
(nH)
AIR GAP
(µm)
µe
TYPE NUMBER
3C90
3650 ±25%
≈ 1510
≈0
RM7/ILP-3C90
3F3
3100 ±25%
≈ 1280
≈0
RM7/ILP-3F3
3F4
1800 ±25%
≈ 740
≈0
RM7/ILP-3F4
Properties of core sets under power conditions
B (mT) at
CORE LOSS (W) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
f = 25 kHz;
ˆ = 200 mT;
B
T = 100 °C
f = 100 kHz;
ˆ = 100 mT;
B
T = 100 °C
f = 400 kHz;
ˆ = 50 mT;
B
T = 100 °C
f = 1 MHz;
ˆ = 30 mT;
B
T = 100 °C
f = 3 MHz;
ˆ = 10 mT;
B
T = 100 °C
3C90
≥320
≤ 0.13
≤ 0.14
−
−
−
3F3
≥300
−
≤ 0.12
≤ 0.20
−
−
3F4
≥250
−
−
−
≤ 0.32
≤ 0.5
GRADE
2008 Sep 01
1240
Ferroxcube
RM, RM/I, RM/ILP cores and accessories
RM7/ILP
MOUNTING PARTS
General data
ITEM
SPECIFICATION
Clamping force
≈20 N
Clip material
stainless steel (CrNi)
Type number
CLI-RM7/ILP
2.7
handbook, halfpage
8.8
R16
CBW622
Dimensions in mm.
Fig.2 Mounting clip for RM7/ILP.
2008 Sep 01
1241
6.7
Ferroxcube
RM, RM/I, RM/ILP cores and accessories
RM7/ILP
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
PRODUCT
STATUS
DEFINITIONS
Preliminary
specification
Development
This data sheet contains preliminary data. Ferroxcube reserves the right to
make changes at any time without notice in order to improve design and
supply the best possible product.
Product specification
Production
This data sheet contains final specifications. Ferroxcube reserves the right
to make changes at any time without notice in order to improve design and
supply the best possible product.
DISCLAIMER
Life support applications  These products are not designed for use in life support appliances, devices, or systems
where malfunction of these products can reasonably be expected to result in personal injury. Ferroxcube customers
using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Ferroxcube
for any damages resulting from such application.
PRODUCT STATUS DEFINITIONS
STATUS
INDICATION
DEFINITION
Prototype
These are products that have been made as development samples for the purposes of
technical evaluation only. The data for these types is provisional and is subject to
change.
Design-in
These products are recommended for new designs.
Preferred
These products are recommended for use in current designs and are available via our
sales channels.
Support
These products are not recommended for new designs and may not be available
through all of our sales channels. Customers are advised to check for availability.
2008 Sep 01
1242