FlexiCapTM Termination
REACH (Registration, Evaluation, Authorisation and
restriction of Chemicals) Statement
FlexiCapTM has been developed as a result of listening to
customer’s experiences of stress damage to MLCCs from many
manufacturers, often caused by variations in production
processes.
The main purpose of REACH is to improve the protection of
human health and the environment from the risks arising from
the use of chemicals.
Our answer is a proprietary flexible epoxy polymer termination
material that is applied to the device under the usual nickel
barrier finish. FlexiCapTM will accommodate a greater degree of
board bending than conventional capacitors.
Syfer Technology Ltd maintains both ISO 14001,
Environmental Management System and OHSAS 18001 Health
& Safety Management System approvals that require and
ensure compliance with corresponding legislation such as
REACH.
For further information, please contact the sales office at
SyferSales@knowles.com
Ranges are available with FlexiCapTM termination material
offering increased reliability and superior mechanical
performance (board flex and temperature cycling) when
compared with standard termination materials. Refer to Syfer
application note reference AN0001. FlexiCapTM capacitors
enable the board to be bent almost twice as much as before
mechanical cracking occurs. Refer to application note AN0002.
RoHS Compliance
Syfer routinely monitors world wide material restrictions (e.g.,
EU/China and Korea RoHS mandates) and is actively involved
in shaping future legislation.
FlexiCapTM is also suitable for space applications having passed
thermal vacuum outgassing tests. Refer to Syfer application
note reference AN0026.
All standard C0G/NPO, X7R, X5R and High Q Syfer MLCC
products are compliant with the EU RoHS directive (see below
for special exemptions) and those with plated terminations are
suitable for soldering common lead free solder alloys (refer to
‘Soldering Information’ for more details on soldering
limitations). Compliance with EU RoHS directive automatically
signifies compliance with some other legislation (e.g., Korea
RoHS). Please refer to the Sales Office for details of
compliance with other materials legislation.
Breakdown of material content, SGS analysis reports and tin
whisker test results are available on request.
Most Syfer MLCC components are available with non-RoHS
compliant tin/lead (SnPb) Solderable termination finish for
exempt applications and where pure tin is not acceptable.
Other tin free termination finishes may also be available –
please refer to the Sales Office for further details.
X8R ranges <250Vdc are not RoHS 2011/65/EU compliant.
115Vac 400Hz ranges are not RoHS 2011/65/EU compliant.
Syfer has delivered millions of FlexiCapTM components and
during that time has collected substantial test and reliability
data, working in partnership with customers world wide, to
eliminate mechanical cracking.
Check the website, www.knowlescapacitors.com/syfer for
latest RoHS update.
An additional benefit of FlexiCapTM is that MLCCs can withstand
temperature cycling from -55 to 125˚C in excess of 1,000
times without cracking.
Export Controls and Dual-use Regulations
Certain Syfer catalogue components are defined as ‘dual-use’
items under international export controls – those that can be
used for civil and military purposes which meet certain
specified technical standards.
FlexiCapTM termination has no adverse effect on any electrical
parameters, nor affects the operation of the MLCC in any way.
Application Notes
The defining criteria for a dual-use component with respect to
Syfer products is one with a voltage rating of >750V and a
capacitance value >250nF and a series inductance <10nH.
FlexiCapTM may be handled, stored and transported in the
same manner as standard terminated capacitors. The
requirements for mounting and soldering FlexiCapTM are the
same as for standard SMD capacitors.
Components defined as ‘dual-use’ under the above criteria
automatically require a licence for export outside the EU, and
may require a licence for export with the EU.
For customers currently using standard terminated capacitors
there should be requirement to change the assembly process
when converting to FlexiCapTM.
The application for a licence is routine, but customers for these
products will be asked to supply further information.
Based upon the board bend tests in accordance with IEC
60384-1 the amount of board bending required to
mechanically crack a FlexiCapTM terminated capacitor is
significantly increased compared with standard terminated
capacitors.
Please refer to the sales office if you require any further
information on export restrictions.
Other special components may additionally need to comply
with export regulations.
Typical bend performance under
Product: X7R
AEC-Q200 test conditions
Standard
2mm to 3mm
Termination
FlexiCapTM
Typically 8mm to 10mm
© Knowles 2014
StandardMLCCDatasheet Issue 4 (P109801) Release Date 04/11/14
Page 3 of 6
Tel: +44 1603 723300 | Email SyferSales@knowles.com | www.knowlescapacitors.com/syfer
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