Ferrites
PQ cores
PQ 16/11.6
Series/Type:
Date:
Version:
B65885A
2008-04-14
1
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Identification/Classification 1:
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Identification/Classification 2:
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Ordering code:
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Series/Type:
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PQ cores
PQ 16/11.6
B65885A
EPCOS
this
Department:
AG 2015. Reproduction, publication and dissemination of
D PD
publication, enclosures hereto and the information
KA IN FER
contained therein without EPCOS' prior express consent is prohibited.
Date:
2008-04-14
EPCOS AG is a TDK Group Company.
PQ cores
PQ 16/11.6
To IEC 62317-13
Delivery mode: sets
Magnetic characteristics (per set)
Σl/A
l
e
A
e
A
min
V
e
= 0.641
= 27.00
= 42.10
= 38.50
= 1136
mm
-1
mm
mm
2
mm
2
mm
3
B65885A
Approx. weight :
6.0 g/set
Dimensions (mm)
Ungapped
Material
N87
N97
N95
N92
N49
A
L
value
nH
1)
µ
e
1200
1250
1400
970
970
P
V
W/Set
< 0.70 (100 kHz, 200 mT, 100 °C)
< 0.60 (100 kHz, 200 mT, 100 °C)
< 0.80 (100 kHz, 200 mT, 120 °C)
Ordering code
B65885A0000R087
B65885A0000R097
2350 +30/-20%
2450 +30/-20%
2750 +30/-20%
1900 +30/-20%
1900 +30/-20%
< 0.65 (100 kHz, 200 mT, 25 °C-100 °C) B65885A0000R095
< 0.70 (100 kHz, 200 mT, 100 °C)
< 0.40 (500 kHz, 50 mT, 100 °C)
B65885A0000R092
B65885A0000R049
1) Measurement parameter: 10 kHz, 0.25 mT, 100 turns, room temperature.
A
L
value is measured acc. to IEC62044-2. An appropriate wringing of cores with polished surface is used to improve
reproducibility of the measurement. (It is recommended to rub the mating surfaces themselves six times in a circular or
elliptic arc that matches the core profile before measuring A
L
value).
KA IN FER D PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 4
2008-04-14
PQ cores
PQ 16/11.6
Cautions and warnings
B65885A
Mechanical stress and mounting
Ferrite cores have to meet mechanical requirements during assembling and for a growing number of
applications. Since ferrites are ceramic materials one has to be aware of the special behavior under
mechanical load.
As valid for any ceramic material, ferrite cores are brittle and sensitive to any shock, fast changing or
tensile load. Especially high cooling rates under ultrasonic cleaning and high static or cyclic loads can
cause cracks or failure of the ferrite cores.
For detailed information see Data Book 2007, chapter “General – Definitions, 8.1”.
Effects of core combination on A
L
value
Stresses in the core affect not only the mechanical but also the magnetic properties. It is apparent
that the initial permeability is dependent on the stress state of the core. The higher the stresses are in
the core, the lower is the value for the initial permeability. Thus the embedding medium should have
the greatest possible elasticity.
For detailed information see Data Book 2007, chapter “General – Definitions, 8.2”.
Heating up
Ferrites can run hot during operation at higher flux densities and higher frequencies.
NiZn-materials
The magnetic properties of NiZn-materials can change irreversible in high magnetic fields.
Processing notes
–
The start of the winding process should be soft. Else the flanges may be destroyed.
–
To strong winding forces may blast the flanges or squeeze the tube that the cores can no more be
mount.
–
To long soldering time at high temperature (>300 °C) may effect coplanarity or pin arrangement.
–
Not following the processing notes for soldering of the J-leg terminals may cause solderability
problems at the transformer because of pollution with Sn oxide of the tin bath or burned insulation
of the wire. For detailed information see Data Book 2007, chapter “Processing notes, 2.2”.
–
The dimensions of the hole arrangement have fixed values and should be understood as a
recommendation for drilling the printed circuit board. For dimensioning the pins, the group of holes
can only be seen under certain conditions, as they fit into the given hole arrangement. To avoid
problems when mounting the transformer, the manufacturing tolerances for positioning the
customers’ drilling process must be considered by increasing the hole diameter.
KA IN FER D PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 4
2008-04-14
Important notes
The following applies to all products named in this publication:
1. Some parts of this publication contain
statements about the suitability of our products for
certain areas of application.
These statements are based on our knowledge of typical
requirements that are often placed on our products in the areas of application concerned. We
nevertheless expressly point out
that such statements cannot be regarded as binding
statements about the suitability of our products for a particular customer application.
As a
rule, EPCOS is either unfamiliar with individual customer applications or less familiar with them
than the customers themselves. For these reasons, it is always ultimately incumbent on the
customer to check and decide whether an EPCOS product with the properties described in the
product specification is suitable for use in a particular customer application.
2. We also point out that
in individual cases, a malfunction of passive electronic components
or failure before the end of their usual service life cannot be completely ruled out in the
current state of the art, even if they are operated as specified.
In customer applications
requiring a very high level of operational safety and especially in customer applications in which
the malfunction or failure of a passive electronic component could endanger human life or health
(e.g. in accident prevention or life-saving systems), it must therefore be ensured by means of
suitable design of the customer application or other action taken by the customer (e.g. installation
of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the
event of malfunction or failure of a passive electronic component.
3.
The warnings, cautions and product-specific notes must be observed.
4. In order to satisfy certain technical requirements,
some of the products described in this
publication may contain substances subject to restrictions in certain jurisdictions (e.g.
because they are classed as hazardous).
Useful information on this will be found in our Material
Data Sheets on the Internet (www.epcos.com/material). Should you have any more detailed
questions, please contact our sales offices.
5. We constantly strive to improve our products. Consequently,
the products described in this
publication may change from time to time.
The same is true of the corresponding product
specifications. Please check therefore to what extent product descriptions and specifications
contained in this publication are still applicable before or when you place an order.
We also
reserve the right to discontinue production and delivery of products.
Consequently,
we cannot guarantee that all products named in this publication will always be available.
The aforementioned does not apply in the case of individual agreements deviating from the
foregoing for customer-specific products.
6. Unless otherwise agreed in individual contracts,
all orders are subject to the current version of
the “General Terms of Delivery for Products and Services in the Electrical Industry”
published by the German Electrical and Electronics Industry Association (ZVEI).
7. The trade names EPCOS, BAOKE, Alu-X, CeraDiode, CSSP, CTVS, DSSP, MiniBlue, MKK,
MLSC, MotorCap, PCC, PhaseCap, PhaseMod, SIFERRIT, SIFI, SIKOREL, SilverCap, SIMDAD,
SIMID, SineFormer, SIOV, SIP5D, SIP5K, ThermoFuse, WindCap are
trademarks registered or
pending
in Europe and in other countries. Further information will be found on the Internet at
www.epcos.com/trademarks.
Page 4 of 4
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:
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