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 that allow us to provide the highest performance-for-footprint mmWave filters available

Knowles is also well known for their FlexiCap™ termination, FlexiCap™ accommodates a greater degree of board bending than conventional capacitors.

Products & Categories

  • High Voltage SM Capacitors
  • Multilayer Ceramic Capacitors
  • Panel Mount EMI Filters
  • Planar Arrays / Discoidal Products
  • Radial Capacitors
  • Surface Mount EMI/RFI Filters
  • X2Y Technology

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