FERROXCUBE
DATA SHEET
PT18/11
PT, PTS, PTS/I cores and
accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
PT, PTS, PTS/I cores and accessories
CORE SETS
handbook, halfpage
PT18/11
(1811TS)
18.0
±0.4
15.15
±0.25
10.5 min.
Effective core parameters
SYMBOL
Σ(I/A)
V
e
I
e
A
e
A
min
m
PARAMETER
core factor (C1)
effective volume
effective length
effective area
minimum area
mass of set
VALUE
0.670
1110
27.2
40.6
32.9
≈
6.0
UNIT
mm
−1
mm
3
mm
mm
2
mm
2
g
11.94
±0.2
3.8
±0.6
7.4
±0.15
3.1
±0.075
7.4
±0.2
10.6
±0.15
CBW111
Dimensions in mm.
Fig.1 PT18/11 core set.
Core sets for general purpose transformers and power applications
Clamping force for A
L
measurements, 20
±5
N.
GRADE
3C81
A
L
(nH)
100
±3%
160
±3%
250
±3%
315
±3%
400
±5%
3130
±25%
3C91
3F3
3130
±25%
100
±3%
160
±3%
250
±3%
315
±3%
400
±5%
2500
±25%
µ
e
≈
53
≈
85
≈
133
≈
168
≈
213
≈
1670
≈
1670
≈
53
≈
85
≈
133
≈
168
≈
213
≈
1340
AIR GAP
(µm)
≈
660
≈
380
≈
220
≈
170
≈
130
≈
0
≈
0
≈
660
≈
380
≈
220
≈
170
≈
130
≈
0
TYPE NUMBER
PT18/11-3C81-A100
PT18/11-3C81-A160
PT18/11-3C81-A250
PT18/11-3C81-A315
PT18/11-3C81-A400
PT18/11-3C81
PT18/11-3C91
PT18/11-3F3-A100
PT18/11-3F3-A160
PT18/11-3F3-A250
PT18/11-3F3-A315
PT18/11-3F3-A400
PT18/11-3F3
2008 Sep 01
1048
Ferroxcube
PT, PTS, PTS/I cores and accessories
Core sets of high permeability grades
Clamping force for A
L
measurements, 15
±5
N.
GRADE
3E27
A
L
(nH)
5760
±25%
µ
e
≈
3 075
AIR GAP
(µm)
≈
0
PT18/11
(1811TS)
TYPE NUMBER
PT18/11-3E27
Properties of core sets under power conditions
B (mT) at
GRADE
H = 250 A/m;
f = 25 kHz;
T = 100
°C
≥320
≥320
≥315
f = 25 kHz;
ˆ
= 200 mT;
B
T = 100
°C
≤
0.23
−
−
CORE LOSS (W) at
f = 100 kHz;
ˆ
B = 100 mT;
T = 100
°C
−
≤
0.06
(1)
≤
0.12
f = 100 kHz;
ˆ
B = 200 mT;
T = 100
°C
−
≤
0.5
(1)
−
f = 400 kHz;
ˆ
B = 50 mT;
T = 100
°C
−
−
≤
0.21
3C81
3C91
3F3
Note
1. Measured at 60
°C.
BOBBINS AND ACCESSORIES
Coil formers, winding data and mounting parts are equal to those of
“P18/11”
, but
“area product”
is different.
Winding data and area product (for PT18/11) for CP-P18/11 coil former
NUMBER OF
SECTIONS
1
2
3
WINDING
AREA
(mm
2
)
17.1
2
×
7.95
3
×
4.95
MINIMUM
WINDING
WIDTH
(mm)
5.7
2
×
2.65
3
×
1.6
AVERAGE
LENGTH OF
TURN
(mm)
36.6
36.6
36.6
AREA
PRODUCT
Ae x Aw
(mm
4
)
694
2 x 323
3 x 201
TYPE NUMBER
CP-P18/11-1S
CP-P18/11-2S
CP-P18/11-3S
Winding data and area product (for PT18/11) for 6-pins P18/11 coil former for PCB mounting
NUMBER
OF
SECTIONS
1
1
2
2
3
3
MINIMUM
WINDING
AREA
(mm
2
)
16.8
16.8
2
×
7.61
2
×
7.61
3
×
4.58
3
×
4.58
NOMINAL
WINDING
WIDTH
(mm)
6.0
6.0
2
×
2.8
2
×
2.8
3
×
1.7
3
×
1.7
AVERAGE
LENGTH OF
TURN
(mm)
36.7
36.7
36.7
36.7
36.7
36.7
LENGTH
OF PINS
(mm)
4.4
6.8
4.4
6.8
4.4
6.8
AREA
PRODUCT
Ae x Aw
(mm
4
)
682
682
2 x 309
2 x 309
3 x 186
3 x 186
TYPE NUMBER
CPV-P18/11-1S-6PD
CPV-P18/11-1S-6PDL
CPV-P18/11-2S-6PD
CPV-P18/11-2S-6PDL
CPV-P18/11-3S-6PD
CPV-P18/11-3S-6PDL
2008 Sep 01
1049
Ferroxcube
PT, PTS, PTS/I cores and accessories
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
Preliminary
specification
Product specification
PRODUCT
STATUS
Development
DEFINITIONS
PT18/11
(1811TS)
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
1050
