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V-ZA series from Panasonic combines the advantages of both electrolytic and polymer capacitors

Date Published : 01/12/2011 Share with:

 

Panasonic’s newly developed hybrid technology (introduced as V-ZA series) brings together low ESR characteristics of the specialty polymer capacitor and the low leakage current of aluminium electrolytic capacitors. The end result is a product that offers a compact design, the high reliability of polymer and the safety of the electrolytic.

State of the art devices require a compact design and high performance characteristics. While electrolytic capacitors have been continuously improved to achieve low ESR (Equivalent Series Resistance) values as well as low leakage current properties, this technology is limited to its ESR values. A combination of electrolytic and polymer unifies the advantages of both.

Features for your application:

Downsizing and weight reduction

  • ESR values equivalent to specialty polymer capacitors
  • ESR reduction up to 90 % compared to aluminum electrolytic capacitors
  • Reduction of mounting space area up to 60 % compared to aluminium electrolytic capacitors

Power saving and stabilisation of operation

  • Leakage current values are equivalent to aluminium electrolytic capacitors. This level is a reduction of up to 75% compared to specialty polymer capacitors.

Reliability and safety improvement

  • Lifetime is 5000h at 105°C. This is an upgrade of 2.5 times compared to current models.
  • Failure mode at end of lifetime is open mode (dry up)

 

Technical Details:

Voltage Range   25 to 50 VDC (63VDC under development)
Capacitance Range    22 to 56 uF (10 to 220uF under development)
ESR Range   80 to 100mΩ (down to 40mΩ under development)
Leakage current    0.05CV or 100uA
Endurance   5000h at 105°C
     

Applications:

  • Smoothing circuits used in DC/DC converters
  • Switching power supply circuits of digital devices
  • Information-communication devices
  • Automotive applications
  • Metering applications

and many others.

Click here to download the datasheet.

 

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