Vishay Polymer Surface Mount Chip Capacitor

Vishay's polymer surface mount chip capacitors feature a high volumetric efficiency that allows smaller devices to have higher capacitance values. They are constructed with a highly conductive polymer as the cathode system, which significantly reduces the equivalent series resistance (ESR) and provides a robust solution under voltage stress. This results at a much lower voltage derating for Polymer (-10 to -20%) than traditional tantalum (-50%). Unlike MLCCs, Vishay Polymer capacitors have no capacitance loss with DC bias or temperature, no piezo noise effect and a more robust design.

Vishay offers a wide range of series in different case sizes, such as the T51 series for automotive application, the T55 for applications in the computer, industrial and consumer segment and the T54 series in AMS applications

Features

• Benign failure mode - no ignition
• High ripple current capability - for less heating and more efficient operation
• High volumetric efficiency - provides the highest capacitance and energy density, which reduces component count and board space
• High-reliability screening (T54/56) - to ensure reliable operation in demanding environments
• Leading edge cap/voltage offering - the highest capacitance per voltage rating available in the market
• No wear-out mechanism - for an extremely long lifetime as compared to electrolytic capacitors
• Polymer cathode system - for robust performance under voltage stress and reduced derating requirements
• Stacked versions available - to increase density and reduce board space
• Stable capacitance over temperature, voltage, and frequency range - for stable performance and easy design process
• Very low ESR - for efficient circuit operation

Applications

• AMS: Avionics (Military & Commercial), Low Earth Orbit (LEO) Satellites, Military Vehicles, Radars, Flight Controllers
• Automotive: ADAS, Infotainment, Cockpit Electronics
• Bulk energy storage for space-constrained applications
• DC/DC Converter
• Decoupling, smoothing, filtering
• Industrial: Smart Meter, Factory Automation, IoT
• Medical Equipment
• Telecom: Infrastructure Equipment

Technical Specifications