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Supercapacitors offering brilliant power density from the renowned CAP-XX range

2025-03-21

We are delighted to announce that CAP-XX, a renowned manufacturer of supercapacitors that has been providing solutions to support the efficient storage and delivery of energy in a variety of applications, has joined the ranks of our suppliers.

Who is CAP-XX?

CAP-XX is a world leader in high power density supercapacitors, offering innovative solutions for applications in consumer electronics, automotive, IoT and medicine. CAP-XX is distinguished by its unique thin-film supercapacitor technology, which provides high energy storage capacity in a compact prismatic package.

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Key benefits of CAP-XX supercapacitors

CAP-XX supercapacitors combine the features of traditional capacitors and batteries to offer unique advantages:

  • Highest power density - CAP-XX supercapacitors provide fast energy dissipation and storage.
  • Ultra-low ESR (Equivalent Series Resistance) - minimises energy loss and component heating.
  • Long life - more than 500,000 charge/discharge cycles.
  • Resistant to extreme temperatures - products suitable for operation from -40°C to +85°C.
  • Environmentally friendly and maintenance-free - no replacement required, RoHS and WEEE compliant.

Supercapacitors vs. Capacitors and batteries

Supercapacitors offer advantages over capacitors and batteries:

  Bateries supercapacitors capacitors
Energy High energy (stores large amounts of energy in a chemical reaction) Moderate energy (stores an average amount of energy in the form of static electricity) Low energy (stores a small amount of energy in the form of static electricity)
Power Low power (releases slowly) High power (rapid release) Very high power (releases it very quickly)
Values from mF to F Values from pF, nF, uF
Charge/discharge time from 1 to 5 godzin from 0,01 to 30 sekund from 10-3 to 10-6 sekund
Energy (Wh/kg) from 10 to 250 front 1 to 10 <0,1
Power density (W/kg) <1000 to 100 000 from 1000 to 50 000
Charge/discharge cycle 1000 >500 000 >500 000
Lifetime 3-5 years 10 years 5 years


Dzięki tym właściwościom superkondensatory CAP-XX są idealnym rozwiązaniem w aplikacjach wymagających wysokiej mocy chwilowej, długiej żywotności i niezawodności.

Rodzaje superkondensatorów CAP-XX

CAP-XX oferuje szeroki wybór superkondensatorów dostosowanych do różnych aplikacji i wymagań technicznych.

Prismatic supercapacitors are distinguished by their compact, flat design and low ESR, enabling them to deliver high power spikes with minimal energy losses. They are available in various voltage and temperature variants, making them ideal for automotive systems and portable devices.

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Coin Cell capacitors t are high-impedance solutions mainly used for memory support in electronic devices such as RTC clocks. Their small size makes them ideal for current-limited applications.

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Lithium-Ion Capacitor (LICs) Lithium-Ion Capacitors (LICs) combine the characteristics of supercapacitors and lithium batteries. They offer higher energy density and longer life, while maintaining low energy losses. They are the ideal choice for systems requiring longer power backup.

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Small cylindrical supercapacitors are a cost-effective solution for applications where space is not a key constraint. They are available in both standard variants and high-temperature versions.

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Large cylindrical supercapacitors are characterised by their very high capacitance and their ability to deliver current spikes in excess of 1000A. As a result, they are used in power systems and public transport where high instantaneous power is required.

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CAP-XX supercapacitor applications

CAP-XX supercapacitors are used in a wide range of industries and equipment requiring reliable power sources. Key areas include:

  • Clean technologies:
    • Automotive: telematics (eCall, TPMS), GPS location systems, distributed power, key fobs.
    • Energy and utilities: renewable energy storage and stabilisation (solar, vibration, wind, thermal, RF), smart grids, UPS and PFC systems.
  • Consumer electronics: smartphones, SSDs, e-book readers and tablets, wireless headphones and speakers.
  • Industrial and commercial electronics: portable point-of-sale (POS), PDAs, PCs, RFID locators and tags, intelligent buildings and electronic security systems.

New opportunities for Our Customers

By working with CAP-XX, we provide access to modern and efficient components that will enable the design of even more efficient energy systems. CAP-XX supercapacitors are not only reliable, but also durable and environmentally friendly - ideal for modern, sustainable technologies:

  • ✓ Reduce the size and weight of the required battery / power source 
  • ✓ Improve battery runtime and life, especially in cold temperatures
  • ✓ Enable more energy-intensive functions that are used more frequently
  • ✓ Can eliminate the need for batteries and obtain power from clean sources
  • ✓ Protect against accidental loss of power or power fluctuations/interruptions
  • ✓ Do not need to be replaced like batteries (unlimited number of discharge cycles)
  • ✓ Environmentally friendly and safe.
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