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Surface mount test points from KOA make board testing simple and reliable, samples available from Anglia

KOA have introduced the RC series of surface mount test points, they allow customers to conveniently measure signals and voltages at various points on the PCB either during production or in the field.

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

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