Nantong Xunye New Energy Technology Co., Ltd. (hereinafter referred to as "Nantong Xunye") has officially rolled out its CD294 series 450V/1000µF 35×70mm S4 snap-in aluminum electrolytic capacitor. This product provides inverter manufacturers with a domestic, localized solution that seamlessly balances high performance with cost efficiency.

Targeting Inverter Pain Points with Dedicated Solutions

In industrial inverters, ripple currents and voltage spikes generated by the high-frequency switching of IGBT modules have consistently posed critical challenges to equipment stability and lifespan. Nantong Xunye’s CD294 series is engineered specifically to optimize performance under these demanding operating conditions. Featuring a compact 35×70mm footprint and a 4-pin (S4) design, the capacitor significantly enhances mounting stability on PCBs without increasing costs or compromising assembly efficiency, making it a perfect fit for mainstream inverter models.

Leading Core Performance Indicators with Distinct Competitive Advantages

According to the technical director of Nantong Xunye, the CD294 series outperforms comparable market alternatives across several key performance metrics:

• Higher Ripple Current Capability: It can withstand a ripple current of up to 4.2A (100Hz) at 105°C, whereas standard products from average market manufacturers typically offer only around 2.5A. This superior capability allows the capacitor to more effectively smooth DC-bus voltage and absorb peak interference, delivering a more stable and clean power environment for IGBT modules.
• Extended Operational Lifespan: The capacitor features a rated life of 2,000 hours at 105°C, with internal testing validating a reach of up to 3,000 hours. Under an 85°C operating environment, the actual service life can reach 8,000 to 10,000 hours, perfectly matching the long-cycle, continuous operation reliability requirements of industrial equipment.
• Low ESR Design: The Equivalent Series Resistance (ESR) is kept as low as 100mΩ (100Hz), which markedly reduces internal power dissipation and temperature rise. This enhances overall system energy efficiency and alleviates thermal design pressure. Furthermore, by optimizing the electrolyte formulation, excellent high-temperature characteristics are maintained despite the low ESR.

A Decade of Deep Industry Cultivation: Prioritizing Quality & Compatibility

Nantong Xunye has dedicated over ten years of specialized expertise to the field of inverter components. The company strictly implements the ISO9001 quality management system, ensuring full-process monitoring during production. The products undergo 100% burn-in testing, feature 100% traceability, and are delivered with comprehensive factory inspection reports.

In terms of compatibility, the product strictly adheres to standard industry dimensions (Φ35mm × 70mm, 10mm pin spacing). This allows for direct drop-in replacement of similar components from mainstream brands like Siemens, ABB, Inovance, and Invt. It also seamlessly adapts to various technical derivatives originating from the latter two brands, eliminating the need for any PCB layout modifications.

Leveraging Yangtze River Delta Clusters for Rapid Customer Response

As an enterprise rooted in the Yangtze River Delta, Nantong Xunye capitalizes on the region's robust electronic component supply chain. The company maintains an ample stock of commonly used specifications, including the CD294, supporting rapid prototyping and volume delivery. This effectively helps customers shorten procurement cycles and mitigate inventory pressures.

Product Specifications Overview