The Cornell Dubilier 3186GG472M450DPA2 is a high-capacitance aluminum electrolytic capacitor from the rugged 3186GG series, rated at 4700µF and 450V DC. Designed for demanding power conversion environments, this capacitor delivers reliable bulk energy storage and DC bus filtering in systems where voltage stability and ripple suppression are critical. Its screw-terminal construction and robust electrolyte formulation make it a preferred choice for engineers specifying long-life, high-reliability energy storage in industrial-grade power assemblies and inverter platforms.

This capacitor sees widespread use across industrial variable frequency drives (VFDs), UPS and standby power systems, elevator and crane drive systems, welding power supplies, and large-format inverter DC link stages. Its 450V rating makes it well-suited for three-phase rectified bus applications operating from 230V to 400V AC mains. Renewable energy converters, battery charge systems, and motor control platforms regularly rely on the 3186GG series for its combination of high capacitance, robust ripple handling, and proven field longevity in thermally challenging environments.

Quick Reference: 3186GG472M450DPA2-CORNELLDUBILIER

Key Features of the 3186GG472M450DPA2-CORNELLDUBILIER:

• 4700µF capacitance at 450V DC rating — optimized for three-phase rectified DC bus applications common in industrial drives and inverters
• Screw-terminal construction ensures low-resistance, mechanically secure connections capable of sustaining high ripple current loads over extended duty cycles
• High ripple current capability with low ESR, reducing thermal stress and extending operational service life in continuous-duty installations
• Wide operating temperature range supports deployment in thermally demanding enclosures, including enclosed drive cabinets and high-ambient industrial environments
• Cornell Dubilier 3186GG series is recognized for long calendar life ratings, making it a specification-grade selection for equipment requiring 10+ year service intervals
• Compatible as a direct replacement or upgrade in legacy drive systems and power supplies where equivalent-rated capacitors have reached end of life

The 3186GG472M450DPA2 is representative of a component class that frequently encounters supply chain pressure — large-can electrolytic capacitors with specific voltage and capacitance combinations can carry lead times of 16 to 52 weeks through standard distribution channels, particularly during periods of elevated industrial demand. For maintenance teams managing unplanned downtime events or procurement teams building safety stock for critical drive and UPS infrastructure, securing verified inventory from a stocking distributor is essential to avoiding extended outages and costly production losses.

ATI Accurate Technology is stocking this part now from our Palmetto, Florida facility. We specialize in power semiconductors and passive components for industrial, drive, and energy applications — including hard-to-find and long-lead-time inventory. Orders received before 5PM EST ship same day. Contact our team for volume pricing, cross-reference assistance, or expedited sourcing. Call 239-734-7566 or email sales@igbts.us.