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Knowles Capacitors PSL range now available with AEC-Q200 qualification
Knowles Capacitors has announced that its PSL range of MLC capacitors are now available with AEC-Q200 qualified parts. Available in chip sizes from 0805 up to 2220 , voltage ratings up to 3kV and capacitance values up to 1.5uF the PSL range is ideally suited for a variety of applications including power supplies, DC-DC converters and LED lighting as well as an increasing number of hi-rel and automotive applications..
- 22 January 2015 - Read More

New Knowles Capacitors (Syfer) MLC and EMI Filter Catalogues available at Electronica 2014

Knowles Capacitors (Syfer) launches new MLC and EMI Filter catalogue, now available for download from the Technical Information section.

- 29 October 2014 - Read More
Syfer Industry Updates
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PSL RANGE NOW AVAILABLE WITH AEC-Q200 QUALIFICATION - Syfer's new PSL capacitor range for power supply , LED lighting and Automotive applications.

Welcome to Knowles (UK) Ltd Online

Knowles (UK) Ltd ( formerly Syfer Technology Limited ) is a premier global source for application specific multilayer ceramic capacitors and EMI suppression filters.

Our comprehensive product range includes many application-specific capacitors, including FlexiCap™, ProtectiCap™ and the new StackiCap™ range, as well as standard voltages and capacitance values. We also design and manufacture a range of EMI/RFI filters including surface mount types for pcb applications, as well as threaded and solder-in panel-mounted styles.

This web site covers our standard product range, but new ranges and technologies are continuously being developed.  Should you have an application or product requirement that is not shown please contact our Sales Office to discuss further.

In order to provide the highest levels of service, Knowles reserves the right to supply equivalent products which meet or exceed the relevant specification.

On February 28th 2014, Dover Corporation spun-off a portion of  their Communications Technology Group (including Dielectric Laboratories, Syfer, Novacap, Voltronics) into Knowles Corporation. All product information on this website is now part of Knowles Corporation..