Ferroxcube
PQ cores and accessories
CORE SETS
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
0.507
20500
102
201
175
≈
97
UNIT
mm
−1
mm
3
mm
mm
2
mm
2
g
14.9
±
0.3
15
min
handbook, halfpage
PQ40/40
41.5
±
0.9
28 min
6.05
min
28
±
0.6
29.5
±
0.4
39.8
±
0.3
37
±
0.6
Dimensions in mm.
MFP023
Fig.1 PQ40/40 core set.
Core sets for general purpose transformers and power applications
Clamping force for A
L
measurements, 80
±
20 N.
GRADE
3C91
3C94
3C95
3C96
A
L
(nH)
6100
±
25 %
4900
±
25 %
6100
±
25 %
4200
±
25 %
µ
e
≈
2460
≈
1980
≈
2460
≈
1690
AIR GAP
(µm)
≈
0
≈
0
≈
0
≈
0
TYPE NUMBER
PQ40/40-3C91
PQ40/40-3C94
PQ40/40-3C95
PQ40/40-3C96
Properties of core sets under power conditions
B (mT) at
GRADE
H = 250 A/m;
f = 10 kHz;
T = 100
°C
≥320
≥320
≥320
≥340
f = 100 kHz;
ˆ
B = 100 mT;
T = 100
°C
≤
1.65
(1)
≤
2.1
−
≤
1.65
CORE LOSS (W) at
f = 100 kHz;
ˆ
B = 200 mT;
T = 25
°C
−
−
≤
12.9
−
f = 100 kHz;
ˆ
B = 200 mT;
T = 100
°C
≤
10
(1)
≤
12.6
≤
12.3
≤
10
f = 500 kHz;
ˆ
B = 50 mT;
T = 100
°C
−
−
−
≤
8.0
3C91
3C94
3C95
3C96
Note
1. Measured at 60
°C.
2008 Sep 01
2
Ferroxcube
PQ cores and accessories
MOUNTING PARTS
General data
ITEM
Clamp
REMARKS
phosphorbronze, Sn plated, earth pins solderability acc. to
“IEC 60 068-2-20”,
Part 2, Test Ta, method 1: 235
°C,
2 s
PQ40/40
TYPE NUMBER
CLM/P-PQ40/40
11.8 (2x)
0.5
1.7 (4x)
3 (4x)
41.5
55.5
±
0.5
3.6
42.2 max
13.5
MFP182
Dimensions in mm.
Fig.2 Clamp CLM/P-PQ40/40
2008 Sep 01
3
Ferroxcube
PQ cores and accessories
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
Preliminary
specification
Product specification
PRODUCT
STATUS
Development
DEFINITIONS
PQ40/40
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
4
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