SU9HD-40008

Overview

The KEMET SU9HD-40008 is a high-density aluminum electrolytic capacitor designed for demanding power supply applications. It features a radial leaded construction with a snap-in or screw terminal option, offering robust performance in industrial and automotive environments. The component is rated for operation at temperatures up to 105°C, ensuring reliability under thermal stress. Its low equivalent series resistance (ESR) supports efficient ripple current handling, making it suitable for filtering and energy storage in DC link circuits.

Feature Summary

• High capacitance density within a compact radial package
• Rated for continuous operation at elevated temperatures up to 105°C
• Low equivalent series resistance for effective ripple current management
• Robust mechanical design suitable for industrial and automotive vibration environments

Applications

• Industrial motor drives and inverters
• Automotive power electronics and battery management systems
• Uninterruptible power supplies (UPS)
• DC link filtering in renewable energy inverters

Procurement Notes

Verify the specific suffix codes on the datasheet to confirm terminal type, voltage tolerance, and temperature rating before ordering. Ensure the mounting hole diameter matches your PCB or chassis design. Cross-reference the manufacturer's latest revision notes for any changes in compliance status or recommended soldering profiles to guarantee assembly integrity.

Selection Notes

Select this component based on required capacitance value, voltage rating, and physical footprint constraints. Evaluate the ripple current specifications against your circuit's peak load conditions. Consider the operating temperature range to ensure long-term reliability. Verify that the lead spacing aligns with your board layout requirements.

Part Context

This part belongs to KEMET's SU9HD series of high-performance aluminum electrolytic capacitors. The series is engineered for high ripple current and long life in harsh environments. It complements other KEMET power components by providing reliable bulk capacitance and filtering capabilities in compact form factors.

Replacement Considerations

Check for direct pin-compatible substitutes from KEMET or other manufacturers with identical capacitance, voltage, and ESR ratings. Ensure replacement parts meet the same temperature and lifetime specifications. Verify mechanical dimensions and terminal types to maintain compatibility with existing assemblies.