A new series of four-terminal, snap-in power aluminium capacitors has been introduced by Vishay, offering voltage ratings from 350V to 450V and a long useful life of 10,000h at +85C in 17 large case sizes.
The new 095 PLL-4TSI capacitors feature a cylindrical aluminium case insulated with a blue sleeve and pressure relief, while a four-terminal design provides increased mechanical stability and keyed polarity. The devices are available in case sizes ranging from 35mm x 50mm to 45mm x 100mm.
With larger case sizes than standard snap-in devices, the 095 PLL-4TSI series offers high capacitance / voltage combinations, from 390?F at 450V to 2,200?F at 350V, which until now have been normally offered only in capacitors with screw terminations. The 095 PLL-4TSI makes these combinations available for cost-sensitive applications where PC board mounting is done with a simple soldering process. The capacitors offer a high rated ripple current to 8.6A at +85C, and are lead(Pb)-free and compliant to RoHS Directive 2002/95/EC.
As polarized aluminium electrolytic capacitors with a non-solid electrolyte, the 095 PLL-4TSI devices are seen as ideal for DC-link capacitors on the main side of switch-mode power converters. Focus end products include solar inverters, motor drives, and uninterruptible power supplies (UPS).
For applications where a 500V rating is required, Vishay also offers the 096 PLL-4TSI series of four-terminal, snap-in power aluminium capacitors. The devices offer a 350V to 500V rated voltage range, capacitance to 2,700?F, and a useful life of 5,000h at +85C.
Samples and production quantities of the aluminium capacitors are available now, with lead times of 10 weeks, says the company.
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