Design Tools

Check Stock

Search for a part number to view current distributor inventory.

Check Stock

MLC Part Builder

Build a part that meets your specifications.

MLC Part Builder

Knowles' Cornell Dubilier Brand Thermal & Life Calculators

Aluminum Electrolytic Impedance Modeler / SPICE Model Generator

Covers 26 popular aluminum electrolytic capacitor series and generates interactive capacitance, ESR, and impedance plots, plus a SPICE netlist for circuit modeling.

Aluminum Electrolytic Impedance Modeler

DC Link Film Capacitor Life Calculator

Calculates hotspot temperature and life based on voltage, ripple current, and temperature. Change operating conditions to see how life is impacted.

DC Link Capacitor Life Calculator

Flatpack Aluminum Electrolytic Capacitor Lifetime & Reliability Calculator

Calculate the estimated lifetime of our Flatpack aluminum electrolytic capacitors using this interactive tool.

Flatpack Aluminum Electrolytic Lifetime Calculator

Plug-In Style Aluminum Electrolytic Capacitor Lifetime & Reliability Calculator

Calculate the estimated lifetime of your aluminum electrolytic capacitor.

Plug-In Style Aluminum Electrolytic Lifetime Calculator

RF Mica Modeler

An interactive console for selecting optimal through-hole or surface-mount mica capacitors (0.5–91,000 pF, 100–4,000 V) for 1 kHz–4 GHz applications.

RF Mica Modeler

Screw-Terminal Aluminum Electrolytic Capacitor Lifetime & Reliability Calculator

Estimate capacitor life from operating conditions, calculating hotspot temperature, reliability, and failure rate, with adjustable inputs to compare options.

Screw-Terminal Aluminum Electrolytic Lifetime Calculator

Snap-In Capacitor Lifetime & Reliability Calculator

Calculate the estimated lifetime, reliability and failure rate of your aluminum electrolytic capacitor.

Snap-In Capacitor Lifetime Calculator

Educational Resources

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Blogs

Whitepapers

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Exploring Our Energy Future with the Help of Capacitors

Companies across the world are engaged in fusion research; some are large national and international labs while others are start-ups looking for lower-cost alternatives to traditional fusion techniques.

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Knowles Announces MIL-PRF-55681-Qualified Capacitors for Mission-Critical Defense Applications

The company’s ceramic capacitors will also appear on the U.S. Department of Defense’s Qualified Products List (QPL)

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How Ceramic Capacitor Assemblies Improve Efficiency in Power and RF Applications

By utilizing stacked configurations and advanced dielectric materials, capacitor assemblies optimize performance in power conversion and radio frequency (RF) signal management. These assemblies are designed to meet the demands of power electronics and radio frequency applications, where stability, efficiency, and compact design are important design considerations.

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