Knowles Precision Devices

Cazenovia, NY 13035


About Knowles Precision Devices

At Knowles Precision Devices, we make multilayer ceramic, single layer, high reliability and precision variable capacitors, EMI filters and microwave devices including RF filters, splitters and couplers.


2777 Route 20 East
Cazenovia, NY 13035
United States of America

More Info on Knowles Precision Devices

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.

Articles & News

272875076 © Bruno Coelho |

Some CES 2024 Highlights

Jan. 18, 2024
The good: Automotive test insights, RFICs, and voice vibration sensors. The bad: Narrowly missing a chance encounter with a legend.
Shutter Stock Tws Headphone 3

A Sound Plan: Design ANC Earphones and Hearables with Balanced Armatures

Oct. 18, 2022
There’s more than one approach to designing TWS earphones with active noise cancellation. Learn how using balanced armatures can improve quality without sacrificing audio quality...
Prom Oroundup 1

Design Kits Create Lessons for Success

June 2, 2022
By building key components into design kits and application platforms, suppliers give circuit and system designers head starts in getting the most value and performance for their...
Promo Image

Optimizing PCBs for Best mmWave Filter Performance

Feb. 16, 2022
What are the board-design considerations for building circuits targeting mmWave apps? This article highlights the main design issues and offers some tips and tricks to help you...
Knowles Precision Devices
0821 Mw Knowles Tws Dev Kit Promo

TWS Development Kit Puts AI Into Ears

Aug. 6, 2021
A TWS development kit shortens design cycle for OEMs and gets Bluetooth-enabled earbuds and headphones with advanced AI features more quickly to market.
Knowles Promo 1

Slashing the Footprint of Switched Filter Banks

Aug. 4, 2021
In aerospace and defense systems, SWaP considerations are critical in R&D. In electronic-warfare applications, switched filter banks help engineers accommodate higher frequencies...

Videos & Resources

Products of the Week

Products of the Week: May 15, 2023

May 15, 2023
Here's this week's selection of some of the most interesting new products that have been launched of late.
Ces Knowles Thumnbail

Knowles Presents High-Performance Audio Solutions at CES 2023

Jan. 17, 2023
Vibration sensors and TWS headsets lend themselves to consumer and aerospace applications.
Thumbnail Pdw06089 2022

Products of the Week: October 31, 2022

Oct. 31, 2022
Here's this week's selection of some of the most interesting new products that have been launched of late.

Products of the Week: Components

May 22, 2021
Component manufacturers have managed to deliver new hardware to the market, and in this roundup, we will take a look at several of the latest products.

All content from Knowles Precision Devices

Wideonet |
Dreamstime M 97909730

Blink and You'll Miss 'Em: IMS 2021's MicroApps

June 1, 2021
Sometimes you want a whole meal, and sometimes just an appetizer. IMS 2021 aspires to provide the latter with short and snappy MicroApps tech presentations.
Promo Knowles 1

Keep Abreast of RF Filtering Trends (Part 2)

Jan. 21, 2021
This closer of a two-part series covers the filtering solutions that can help RF filter designers stay on top of today’s RF trends.

Keep Abreast of RF Filtering Trends (Part 1)

Oct. 19, 2020
The opener of this two-part series examines the current trends in filter design in the context of the challenges presented by today’s highly complex RF environment.
Promo Figure 1

Building Blocks for 28-GHz Small Cells

May 13, 2020
One of the more significant 5G innovations is the ability to operate in the millimeter-wave spectrum. Support for high-frequency bands opens underused spectrum to bolster 5G network...
Mwrf 12015 13a Modelithics Promo

Modelithics Releases Version 19.6 of the COMPLETE+3D Library for ANSYS HFSS

Nov. 27, 2019
This latest version, which includes 117 new full-wave electromagnetic models, features a large selection of highly scalable models for capacitor, inductor, and resistor families...
Mwrf 11537 40p Promo

Addressing Size and Tolerance Challenges in mmWave Filters

Aug. 28, 2019
Millimeter-wave filter technology is a vital building block for implementing mainstream 5G wireless communications, but obstacles exist in terms of physical size, manufacturing...
Mwrf 9811 1118 12q 1new

Don’t Bypass the Right Capacitors for Your Design

Nov. 6, 2018
Bypass capacitors are the focus of this technical paper, which presents actual measurement results of different capacitor bypass networks.
Mwrf 1792 20efig10promo 0
Test & Measurement

Cavalcade of Cutting-Edge Products Invades 2015 IMS

April 7, 2015
The exhibition area is open for slightly less than three days, and visitors can easily spend all of their time just scouring the sections of the show floor and the companies devoted...
Mwrf 1398 Knowlespromo 0
Passive components

Tiny Trimmers Reach To 10 GHz

May 22, 2014
This line of nonmagnetic trimmer capacitors is ideal for application through 10 GHz in MRI circuits and systems.