Knowles Precision Devices Capacitors

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, telecom and automotive


Our Multi-Layer Ceramic Capacitor (MLCC) product lines span surface mount case sizes from 0402 to 8060 and includes ribbon and radial leads, 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.

Single Layer Capacitors

Our single layer capacitors support microwave and mmWave applications up to 100GHz and are widely used in support of general DC Blocking, Low Noise Amplifiers, Power Amplifiers and High Power Amplifiers, Oscillators and Filters


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.