• Preferred Supplier

Knowles

Image of Knowles Hiteca MLCC

Hiteca™ Multilayer Ceramic Capacitors (MLCC)

Knowles Syfer's MLCCs deliver low losses and high, stable capacitance without adding weight or increasing the footprint.

Image of Knowles J Series Capacitors

J Series Half-Turn Trimmer Capacitors

Knowles Voltronics offers its JR and JZ series, ceramic trimmer capacitors that are pick-and-place compatible and feature a dust-proof and solvent-resistant design.

Image of Knowles DLI Brand Microstrip

DLI Brand Microstrip Bandpass Filters

Knowles DLI brand microstrip bandpass filters offer classical filter topologies yielding excellent performance in a small footprint when fabricated on ceramic substrate materials.

Featured Videos

Knowles High Q Inductors
Knowles High Q Inductors
Knowles MD Series
Knowles MD Series
What are EMI Filters?
What are EMI Filters?
Learn why covers are often needed for microstrip RF/Microwave filters
Learn why covers are often needed for microstrip RF/Microwave filters
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Product Training Modules

Image of Knowles KN1 Reference Design Wireless Earphones
10 minutes
KN1 Reference Design Wireless Earphones
This presentation will introduce the KN1 hybrid TWS earphones from Knowles and go over the key features of the reference design.
FlexiCap Multilayer Capacitors
3 minutes
FlexiCap Multilayer Capacitor
FlexiCap helps prevent the stress of bending and thermal expansion/contraction.
differential MEMS
5 minutes
Microphone Interfaces
Digital microphones provide an upside to end applications and enable intelligent audio solutions with the introduction of Knowles’ multi-mode microphones.
armature driver
5 minutes
Using Dynamic Speakers and Balanced Armature Drivers in In-Ear Wearables
DigiKey, Knowles, PTM, tutorial, speakers, drivers, armature driver, in-ear wearable.
Knowles Frequency Response Armature Drivers and Earphones
10 minutes
Measuring Frequency Response of Balanced Armature Drivers and Earphones
General characteristics of different measurement methods, the advantages and limitations of each, and trying to understand an earphone’s frequency response.
MEMS Microphones
5 minutes
Ultrasonic Applications for Knowles Electret and MEMS Microphones
This tutorial will discuss the general characteristics of certain Knowles microphones in the ultrasonic band.
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About Knowles

Since 1946 Knowles has helped designers find more ways to put better technology to work for their customers. Knowles is a market leader and global supplier of advanced micro-acoustic, specialty components, and human interface solutions in the mobile communications, consumer electronics, medical technology, and other industrial end markets. Knowles’ deep experience and rigorous testing delivers consistently dependable and precise products including speakers and microphones for hearing health products, premium music earphones, communications headsets, and industrial acoustic applications. Knowles MEMS (micro-electro-mechanical systems) microphones and micro-speakers are widely used in smartphones, tablets, notebooks, and other portable devices.

Headquartered in Itasca, Illinois, and publicly traded on the NYSE under the symbol “KN”, Knowles has more than 10,000 employees in 37 locations worldwide includes design centers in Europe, Asia and North America. All manufacturing facilities are ISO-9001 certified, with some additionally certified to ISO-14001 or OHSAS-18001. The Knowles Quality Management System ensures design, integrity, efficient manufacturing and the cost effective on-time delivery of their products.