Linecard - Knowles


FASTECH represents Knowles in the interior of Mexico

Knowles Capacitors is a manufacturer of high quality automotive grade components. With the broadest range of AEC-Q200 approved MLC capacitors, Tandem and Open Mode MLC capacitors, X8R High temperature MLC capacitors and EMI filters up to a voltage rating of 4kV we provide for the requirements of modern automotive applications including EV and HEV systems.


We are a global company with more than 1200 employees and growing! We have employees throughout the US in our facilities in NY, NJ and CA as well as employees in both Europe and Asia through our facilities in the UK, China, India and Malaysia.As a division of Knowles Corporation, Knowles Precision Devices (KPD), focuses on production of a wide variety of highly engineered Capacitors and Microwave to Millimeter Wave components for use in critical applications in military, medical, electric vehicle, and 5G market segments. Radar, pacemakers, MRI equipment, satellites, airplanes, electric vehicles and mobile phone base stations are just a few of the places you will find our products. Our products can be found in every corner of the world, from 8000ft below the earth’s surface to orbiting 254 miles above us on the ISS.

We are a Specialty Components manufacturer, which means we choose to take on the complex challenges that come with High Reliability, High Temperature, High Performance and High Frequency solutions. This is built on our commitment to innovation, whether it be our ongoing creativity in manufacturing high performance multi-layer ceramic capacitors, or our unique ceramic formulations.

Industrial applications can provide challenging conditions for MLCC, high voltages and temperatures along with vibration call for robust components. Knowles Capacitors has many ranges suited to these environments. From FlexiCap, the flexible stress relieving termination material, IECQ-CECC qualified, X8R, UL/TUV Safety certified mains voltage capacitors through to 12kV surface mount and radial leaded capacitors Syfer have the right tool for the job.


Knowles Capacitors produces a wide variety of High Reliability Multilayer capacitors, single layer capacitors, trimmer capacitors, Thin Film filters, RF components for use in leading medical products, including implantable devices, MRI's and other imaging machines.

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Knowles Capacitors manufactures several ranges of components suitable for use in telecom applications. We cover infrastructure needs with our high Q and Ultra low ESR ranges designed for operation in high power applications such as base station amplifiers and filtering through to Surge/Safety capacitors and Tip and Ring capacitors at the user interface.

We also manufacture planar arrays, filter components and filters for telecommunication transmission line filtering and EMI protection.We manufacture Capacitors for some of the world’s most demanding applications. The markets we serve include medical implantable devices and medical equipment, military, aerospace/avionics, EMI and connector filtering, oil exploration, instrumentation, industrial electronics, optical networks,


Our Multi-Layer Ceramic Capacitor (MLCC) product lines are available in standard surface mount packages as well as ribbon and radial lead packages. SMD case sizes range from 0402 to 8060.We support voltages to 12kV and high level application specific screening such as AEC-Q200 for automotive, MIL-PRF-55681 for medical implantable and much more.


Trimmers portfolio includes air, glass, sapphire, and PTFE dielectrics that can be used from 1 MHz to over 2 GHz and at voltages up to 20,000 VDC. Trimmers are available in precision Multi-Turn and Half/Single turn formats.

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