Core Insights - Vishay Intertechnology has expanded its 193 PUR-SI series of miniature snap-in power aluminum electrolytic capacitors with new voltage ratings of 550 V and 600 V, offering up to 30% higher ripple current than standard solutions in similar sizes [1][2] Product Features - The new capacitors handle ripple currents up to 3.27 A and have a useful life of 5000 hours at +105 °C, suitable for applications requiring over 25 years of operation in ambient temperatures up to +60 °C [3] - The capacitors are available in capacitance values ranging from 47 µF to 820 µF across 25 compact case sizes, with dimensions from 22 mm x 25 mm to 35 mm x 60 mm [3][5] - They feature a cylindrical aluminum case insulated with a blue sleeve and are RoHS-compliant, with 3-pin keyed polarity snap-in terminals for stable PCB mounting [3] Application Areas - These capacitors are ideal for smoothing, buffering, and DC-Link filtering in various applications, including switch mode power supplies, battery management systems, electric and hybrid vehicles, industrial motor drives, solar inverters, medical equipment, and UPS systems [4] Technical Specifications - The capacitors have a rated voltage range of 400 V to 450 V and 500 V to 600 V, with a tolerance of ± 20% and a category temperature range of -40 °C to +105 °C [5] - Maximum ESR at 100 Hz ranges from 120 mΩ to 3365 mΩ, and maximum impedance at 10 kHz ranges from 80 mΩ to 2700 mΩ [5] Availability - Samples of the extended 193 PUR-SI series capacitors are available from catalog houses in small quantities, with production quantities currently available and lead times of 18 weeks [7]
Vishay Intertechnology Extends 193 PUR-SI Series of Snap-in Power Aluminum Capacitors With Voltage Ratings of 550 V and 600 V