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Vishay Intertechnology Extends 193 PUR-SI Series of Snap-in Power Aluminum Capacitors With Voltage Ratings of 550 V and 600 V

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Space- and Cost-Saving Devices Offer Ripple Current to 3.27 A and Useful Life of 5000 Hours at +105 ...

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VSH extends 193 PUR-SI capacitors to 600 V for improved performance. New capacitors offer 30% higher ripple current and longer lifespan. Reduces design complexity and BOM costs with fewer components needed. Ideal for high power converters and applications like EVs and solar inverters. Production quantities available with an 18-week lead time.

Sentiment Rationale

The release of new products often boosts investor confidence. Historical trends show product innovations typically lead to stock price uplifts.

Trading Thesis

Sustained revenue growth anticipated from expanded capacitor range can stabilize long-term stock value.

Market-Moving

  • VSH extends 193 PUR-SI capacitors to 600 V for improved performance.
  • New capacitors offer 30% higher ripple current and longer lifespan.
  • Reduces design complexity and BOM costs with fewer components needed.

Key Facts

  • VSH extends 193 PUR-SI capacitors to 600 V for improved performance.
  • New capacitors offer 30% higher ripple current and longer lifespan.
  • Reduces design complexity and BOM costs with fewer components needed.
  • Ideal for high power converters and applications like EVs and solar inverters.
  • Production quantities available with an 18-week lead time.

Companies Mentioned

  • AOSL (AOSL)
  • AVGO (AVGO)
  • ON (ON)
  • IIIV (IIIV)

Corporate Developments

The new producto enhances competitive positioning and reflects a strong R&D focus.

Vishay Intertechnology Expands 193 PUR-SI Series with New Voltage Ratings

MALVERN, Pa., Jan. 14, 2026 (GLOBE NEWSWIRE) — Vishay Intertechnology, Inc. (NYSE: VSH) has announced an extension of its popular 193 PUR-SI series of miniature snap-in power aluminum electrolytic capacitors. The addition includes new voltage ratings of 550 V and 600 V, designed to cater to the evolving demands of modern electronic applications.

Enhanced Performance for Modern Applications

The latest Vishay BCcomponents devices provide a significant advancement, offering up to 30% higher ripple current compared to standard options within similar size categories. These enhancements extend the useful life of the capacitors, positioning them as preferable choices for various applications.

Before this development, designers commonly used three 400 V to 450 V capacitors in series to manage DC bus voltages up to 1100 V. This traditional approach typically required voltage balancing resistors for stability, increasing design complexity and potential failure points. The new 193 PUR-SI series capacitors simplify circuit design, allowing for fewer components and eliminating the need for additional voltage balancing circuits, effectively saving PCB space and reducing Bill of Materials (BOM) costs.

Specifications and Key Features

The 193 PUR-SI series capacitors are engineered to withstand demanding switching currents prevalent in high-power converters. They can handle ripple currents up to 3.27 A, ensuring reliability in critical applications. These devices boast a long operational lifespan of 5000 hours at +105 °C, making them suitable for environments that require over 25 years of operational capability at ambient temperatures up to +60 °C.

Technical Specifications

  • Capacitance Range: 47 µF to 820 µF
  • Rated Voltage: 400 V to 450 V; 500 V to 600 V
  • Maximum ESR at 100 Hz: 120 mΩ to 3365 mΩ
  • Category Temperature Range: -40 °C to +105 °C
  • Maximum Impedance at 10 kHz: 80 mΩ to 2700 mΩ
  • Useful Life at +105 °C: 5000 hours

Applications and Industry Relevance

The 193 PUR-SI series capacitors are particularly well-suited for various applications, including:

  • Smoothing and buffering in switch mode power supplies
  • Battery management systems (BMS) for electric (EV) and hybrid electric (HEV) vehicles
  • Industrial motor drives and air conditioning systems
  • Solar inverters and medical equipment
  • Uninterruptible power supplies (UPS) and welding equipment

These capacitors incorporate polarized aluminum electrolytic technology with a non-solid electrolyte, enabling their effectiveness in DC-Link filtering.

Availability and Company Overview

Samples of the extended 193 PUR-SI series capacitors are currently available through catalog houses in limited quantities, with production volumes ready for order, featuring lead times of 18 weeks.

As a leader in the industry, Vishay Intertechnology, Inc., listed on the NYSE as VSH, manufactures one of the world's most extensive portfolios of discrete semiconductors and passive electronic components, addressing the needs of sectors including automotive, industrial, telecommunications, military, aerospace, and medical markets. To learn more about Vishay, visit www.Vishay.com.

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