Ferroxcube
Alloy powder toroids
RING CORES (TOROIDS)
Effective core parameters
SYMBOL
Σ(I/A)
V
e
I
e
A
e
m
PARAMETER
core factor (C1)
effective volume
effective length
effective area
mass of core
(for
µ
i
125)
MPP
Sendust
VALUE UNIT
0.546
28600
125
229
240
176
mm
−1
mm
3
mm
mm
2
g
g
g
(0.23)
coating EPOXY
26
±
0.4
57.6
±
0.4
TX57/26/15
High-Flux 226
Coating
The cores are coated with epoxy. The colour is black
(Sendust), grey (MPP) or khaki (High-Flux).
Maximum operating temperature is 200
°C.
Isolation voltage
AC isolation voltage : 1000 V.
Contacts are applied on the edge of the ring core, which is
also the critical point for the winding operation.
Dimensions in mm.
15.65
±
0.45
MFP172
Fig.1 TX57/26/15 ring core.
Ring core data - Note
1. Mechanical dimensions : OD
≤
58, ID
≥
25.6, H
≤
16.1
B (mT) at
GRADE
A
L
(nH)
32
±
8 %
60
±
8 %
138
±
8 %
287
±
8 %
306
±
8 %
333
±
8 %
360
±
8 %
417
±
8 %
Sendust
(1)
60
±
8 %
138
±
8 %
172
±
8 %
207
±
8 %
287
±
8 %
High-Flux
32
±
8 %
60
±
8 %
138
±
8 %
287
±
8 %
2008 Sep 01
µ
i
H = 100 kA/m;
f = 10 kHz;
T = 25
°C
≥
640
≥
700
≥
760
≥
800
≥
800
≥
800
≥
800
≥
800
≥
1000
≥
1030
≥
1040
≥
1050
≥
1060
≥
890
≥
980
≥
1280
≥
1370
1872
CORE LOSS (W) at
f = 100 kHz;
ˆ
B = 100 mT;
T = 25
°C
42.9
34.3
21.5
21.5
22.9
22.9
22.9
42.9
45.8
24.5
24.5
24.5
24.5
71.5
57.2
51.5
57.2
TYPE NUMBER
MPP
14
26
60
125
147
160
173
200
26
60
75
90
125
14
26
60
125
TX57/15-M2-A32
TX57/15-M2-A60
TX57/15-M2-A138
TX57/15-M2-A287
TX57/15-M2-A306
TX57/15-M2-A333
TX57/15-M2-A360
TX57/15-M2-A417
TX57/15-S7-A60-MC
TX57/15-S7-A138-MC
TX57/15-S7-A172-MC
TX57/15-S7-A207-MC
TX57/15-S7-A287-MC
TX57/15-H2-A32
TX57/15-H2-A60
TX57/15-H2-A138
TX57/15-H2-A287
Ferroxcube
Alloy powder toroids
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
Preliminary
specification
Product specification
PRODUCT
STATUS
Development
DEFINITIONS
TX57/26/15
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.
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.
Production
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
Prototype
Design-in
Preferred
Support
INDICATION
DEFINITION
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.
These products are recommended for new designs.
These products are recommended for use in current designs and are available via our
sales channels.
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
1873
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