Polymer capacitors

Panasonic is a leading manufacturer of specialty polymer aluminum capacitors, such as SP-Caps, OS-CON and POS-CAP devices, as well as polymer hybrid aluminium electrolytic capacitor technologies.

The role of polymer capacitors in the development of GAN-based AC/DC Converters

Polymer capacitors can contribute to better efficiency and miniaturization of design by offering lower ESR and higher ripple current characteristics in smaller case sizes.
Learn more

Empowering efficiency, stability and sustainability

Explore our full catalog

Features

  • Low ESR is realized by using conductive polymer.
  • Ideal for noise reduction across a wide frequency domain thanks to the large capacitance and low ESR offered.
  • The temperature characteristics of conductive polymer are very stable for ESR and capacitance.

Our conductive polymer capacitors range

SP-Cap
Polymer Aluminum Capacitors

SP-Cap

SP-Cap is a rectangular chip-shaped aluminum electrolytic capacitor that uses a polymer as its electrolyte.
POSCAP
Polymer Tantalum Capacitors

POSCAP

These devices offer a stable capacitance at high frequencies and high temperatures with low ESR/ESL.
OS-CON
Polymer Aluminum Capacitors

OS-CON

OS-CON is a solid aluminum capacitor with a highly conductive polymer.

DESIGN TOOL

Polymer and electrolytic capacitor selection tool

Helping you easily finding the right polymer and electrolytic capacitor part number(s) for your design even when you are off-line. In addition to our product finder on our website, we have created a selection tool in Microsoft® Excel for you. Please feel free to download it by a simple click.

Get the selection tool here!

Download our promotion documents

expand / collapse
Brochure
Name Size Date Language
PDF Building Automation - Energy Management Solutions 1 MB 01.03.2022 English
PDF EV Charging Solutions from Panasonic Industry.pdf 3 MB 25.10.2023 English
Catalog
Name Size Date Language
PDF Products Catalog (OS-CON) 6 MB 03.09.2025 English
PDF Products Catalog (POSCAP) 4 MB 08.10.2025 English
PDF Products Catalog (SP-Cap) 5 MB 01.10.2025 English
PDF Devices & Solutions catalogue 12 MB 02.09.2025 English
Fighting card
Name Size Date Language
PDF SP-Cap Polymer Capacitors: GY Series 761 KB 08.07.2024 English
PDF SP-Cap High Reliability Series for AI 398 KB 02.09.2025 English
Flyer
Name Size Date Language
PDF OS-CON Conductive Polymer Aluminum Solid Capacitor 2 MB 29.07.2022 English
PDF OS-CON: An ideal replacement for Aluminum Electrolytic capacitors 656 KB 07.06.2022 English
PDF Polymer Capacitors: Speed up your design – The next stage of low ESR 1 MB 23.04.2025 English
PDF SOS – MLCC to Panasonic Polymer Series 440 KB 17.11.2020 English
PDF Panasonic Focus 8 colors flyer 650 KB 02.09.2025 English
Whitepaper
Name Size Date Language
PDF Polymer Capacitors vs. MLCCs 405 KB 03.05.2024 English
PDF Understanding Polymer and Hybrid Capacitors 2020 4 MB 03.05.2024 English

Videos on polymer capacitors

Design support for capacitors

Simulation data libraries
Tools

Simulation data libraries

Equivalent circuit models and S-parameter data can be downloaded for each individual item.
Characteristic viewer
Tools

Characteristic viewer

This tool presents various characteristics of a selected part using a graph of the operating frequency, temperature etc.
CAD data
CAD

CAD data

CAD data can be download. (3D STEP, 3D PDF)
Capacitor selection tool
Tools

Capacitor selection tool

Download the tool here, which displays the characteristics, like ESR, ripple current, capacitance, needed for a capacitor and an automated selection.
LC simulator
Tools

LC simulator

Simulates attenuation requirements when configuring an LC filter using a power inductor and aluminium electrolytic capacitors.
Cross reference search by part number
Tools

Cross reference search by part number

Searching part numbers to find alternatives from Panasonic Industry Design support for inductors
Hybrid/Aluminum Electrolytic Capacitor estimated lifetime calculation tool
Tools

Hybrid/Aluminum Electrolytic Capacitor estimated lifetime calculation tool

The capacitor life estimation tool simulates the expected lifespan of a capacitor based on input parameters such as operating hours, temperature, and other factors.
Film capacitor estimated lifetime calculation tool
Tools

Film capacitor estimated lifetime calculation tool

The capacitor life calculation tool simulates the estimated lifespan of a capacitor based on input parameters such as operating voltage, wall surface temperature, and more.

Capacitors On-Demand online seminars

New Passive Technologies for 5G Applications
23.02.2022

New Passive Technologies for 5G Applications

Learn about the changes to be implemented to move from 4G to 5G, the requirements for passive components for 5G. And about the advantages of Polymer over MLCCs where they are completely replaced with.

Go to product finder