Miniature aluminium capacitors for design flexibility

October 28, 2020 //By Nick Flaherty
Miniature aluminium capacitors for design flexibility
Vishay's 170RVZ automotive grade aluminium capacitors have ripple currents up to 3.8A and operating Temperatures to +105 °C, and Useful Life of 10,000 Hours at +105 °C

Vishay Intertechnology has launched a series of low impedance, Automotive Grade miniature aluminium electrolytic capacitors that combine high ripple currents up to 3.8 A with high temperature operation to +105 °C and very long useful life up to 10,000 h at +105 °C.

Compared to previous-generation solutions, the Vishay BCcomponents  170 RVZ  series capacitors offer lower impedance and 10 to 15 percent higher ripple current. This allows designers to use fewer components, increasing design flexibility and saving board space. In addition, the AEC-Q200 qualified devices are available in smaller case sizes, ranging from 10 x 12 mm up to 18 x 40 mm.

With radial leads and a cylindrical aluminum case, insulated with a blue sleeve, the 170 RVZ series offers rated voltages up to 63 V, capacitance from 100 µF to 6800 µF, and low impedance. The capacitors are charge- and discharge-proof.

As polarized aluminum electrolytic capacitors with a non-solid electrolyte, the RoHS-compliant devices are ideally suited for smoothing, filtering, and buffering in switch mode power supplies and DC-DC converters for industrial, automotive, telecommunications, medical, and consumer applications.


170 RVZ

Case size (D x L in mm)

10 x 12 to 18 x 40

Capacitance range

100 µF to 6800 µF


± 20 %

Rated voltage

10 V to 63 V

Category temperature range

-40 °C to +105 °C

Useful life @ +105 °C

4000 h to 10,000 h

Ripple current

445 mA to 3,800 mA

Max. impedance at 100 kHz

0.017 Ω to 0.260 Ω (@ +20 °C);
0.120 Ω to 1.860 Ω (@ +40 °C)

Climatic category IEC 60068

55 / 105 / 56

Samples and production quantities of the 170 RVZ series are available now, with lead times of six weeks.

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