Ceramic Capacitors

High performance ceramic capacitors designed to meet the needs of the world's most demanding applications.

Browse Ceramic Capacitors

View All All MLCC's

All MLCC's

Multi-layer ceramic capacitors engineered for reliability and efficiency.

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View All AEC-Q200

AEC-Q200

AEC-Q200 qualified capacitors deliver reliable performance for environments requiring stringent quality and durability standards.

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Learn More Detonation & Pulse

Detonation & Pulse

High-powered capacitors designed for the most demanding applications.

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View All High Q

High Q

Ultra-low loss and stable performance for high-frequency, high-power applications requiring minimal energy dissipation.

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View All High Reliability

High Reliability

Capacitors that deliver consistent electrical performance for mission-critical applications requiring stringent quality and durability standards.

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View All High Temperature

High Temperature

Engineered to deliver stable electrical performance in extreme environments.

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View All Non Magnetic

Non Magnetic

For sensitive applications where magnetic interference must be minimized.

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View All Safety Cap

Safety Cap

Safety‑certified Class X and Y capacitors engineered for AC line filtering and EMI suppression in high-voltage applications.

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Educational Resources

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Expanding Design Flexibility with New 3825 Case Size X1/Y2 Safety-Certified MLCCs

Knowles’ expanded X1/Y2 safety-certified MLCC portfolio enables more compact, high-voltage power electronics with enhanced safety, reliability, and EMI suppression.
View Article for Expanding Design Flexibility with New 3825 Case Size X1/Y2 Safety-Certified MLCCs
View Article for Expanding Design Flexibility with New 3825 Case Size X1/Y2 Safety-Certified MLCCs
AEC-Q200 Leaded Standoff MLCC for Automotive Applications

AEC-Q200 Leaded Standoff MLCC for Automotive Applications

To help PCBs and other physically connected components survive vibration, board bending, thermal mismatching, and stress during thermal cycling, Knowles has launched a range of leaded standoff components, Metal Frame J-Lead Terminal MLCCs, that are qualified to AEC-Q200.
View Article for AEC-Q200 Leaded Standoff MLCC for Automotive Applications
View Article for AEC-Q200 Leaded Standoff MLCC for Automotive Applications
Exploring the Capacitor Technologies Needed in Electric Vehicles

Exploring the Capacitor Technologies Needed in Electric Vehicles

The electrical power systems in most modern technologies, like electric vehicles (EVs), are complex. In EVs specifically, power systems are responsible for performing many tasks such as converting AC to DC and DC to AC as well as managing changing power levels in DC/DC conversion.
View Article for Exploring the Capacitor Technologies Needed in Electric Vehicles
View Article for Exploring the Capacitor Technologies Needed in Electric Vehicles
Fundamental Capacitor Functions in the World of Electronics

Fundamental Capacitor Functions in the World of Electronics

When considering capacitor selection for a given circuit, whether you’re focused on power electronics or deep in the world of RF, it's important to remember that some of a capacitor’s fundamental roles are universal.
View Article for Fundamental Capacitor Functions in the World of Electronics
View Article for Fundamental Capacitor Functions in the World of Electronics
Material Choices

Material Choices: An Important Criterion in Selecting High-Frequency Capacitors

Radio frequency (RF) and microwave applications involve the transmission and receipt of high-frequency electromagnetic signals.
View Article for Material Choices: An Important Criterion in Selecting High-Frequency Capacitors
View Article for Material Choices: An Important Criterion in Selecting High-Frequency Capacitors

Knowles Enhances Class I Ceramic C0G Series Capacitors to Achieve Twice the Maximum Capacitance, Exceeding Industry Norms

With a maximum capacitance of 44nF/1kV and 66nF/630V in a compact chip size of 1210, the extended series is well suited to support LLC type DC/DC converters in demanding environments.
View Article for Knowles Enhances Class I Ceramic C0G Series Capacitors to Achieve Twice the Maximum Capacitance, Exceeding Industry Norms
View Article for Knowles Enhances Class I Ceramic C0G Series Capacitors to Achieve Twice the Maximum Capacitance, Exceeding Industry Norms

MLC Capacitors Catalog

A comprehensive portfolio of high-performance MLCCs.
View Resource for MLC Capacitors Catalog
View Resource for MLC Capacitors Catalog

Capacitor Assemblies for Power and RF Applications

Custom capacitor assemblies optimized for high‑performance power and RF applications.
View Resource for Capacitor Assemblies for Power and RF Applications
View Resource for Capacitor Assemblies for Power and RF Applications

AEC-Q200: Automotive Grade Capacitor Catalog

Automotive‑grade passive components qualified to AEC‑Q200 standards.
View Resource for AEC-Q200: Automotive Grade Capacitor Catalog
View Resource for AEC-Q200: Automotive Grade Capacitor Catalog

The Role of Specialty Capacitors in Power Electronics

Explore how specialty capacitors enable critical functions like noise control, energy storage, and system protection in powe...
View Resource for The Role of Specialty Capacitors in Power Electronics
View Resource for The Role of Specialty Capacitors in Power Electronics

The Electrical Engineer's Guide to Safety Capacitors

In high-voltage, high-reliability applications, safety is non-negotiable, which is why safety capacitors are essential.
View Resource for The Electrical Engineer's Guide to Safety Capacitors
View Resource for The Electrical Engineer's Guide to Safety Capacitors

Capacitor Fundamentals Ebook

A comprehensive guide to selecting the right capacitor for your specific application, covering the ins and outs of capacitor...
View Resource for Capacitor Fundamentals Ebook
View Resource for Capacitor Fundamentals Ebook

Knowles Hiteca™ MLCCs

Optimize your power electronics with high-capacitance MLCCs designed to operate reliably and efficiently in the most demandi...
View Resource for Knowles Hiteca™ MLCCs
View Resource for Knowles Hiteca™ MLCCs

Large Capacitor Assembly

Knowles' custom approach to large capacitor assemblies offers a unique combination of capability and durability, while helpi...
View Resource for Large Capacitor Assembly
View Resource for Large Capacitor Assembly

Knowles Safety Capacitors

A broad portfolio of safety-certified capacitors designed to protect people and equipment, even in demanding applications.
View Resource for Knowles Safety Capacitors
View Resource for Knowles Safety Capacitors

Product Documentation

Non-Magnetic, High Power RF Capacitors and Trimmers

From MRI to low-PIM systems, Knowles delivers precision non-magnetic components.
View Resource for Non-Magnetic, High Power RF Capacitors and Trimmers
View Resource for Non-Magnetic, High Power RF Capacitors and Trimmers

Knowles MD Series Capacitors

Medical Grade Capacitors for Medical Implantables
View Resource for Knowles MD Series Capacitors
View Resource for Knowles MD Series Capacitors

Pulse Energy Capacitors

High‑temperature, high‑energy pulse capacitors delivering reliable, low‑loss performance.
View Resource for Pulse Energy Capacitors
View Resource for Pulse Energy Capacitors

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