UCY2V121MHD

The UCY2V121MHD is a radial-lead aluminum electrolytic capacitor designed for high ripple current and long-life applications. It delivers 120 µF capacitance at a 350 V rating in a compact φ16 × 35.5 mm can with 7.5 mm lead spacing.

Engineered for demanding power circuits, this AEC-Q200–rated, RoHS-compliant unit combines high ripple handling, extended endurance at elevated temperature, and rugged radial can packaging—making it suitable for automotive and industrial power-supply and ballast applications.

Key Features

• Capacitance & tolerance — 120 µF nominal with ±20% tolerance at 20 °C, 120 Hz for predictable charge storage in DC link and filter applications.
• Voltage rating — 350 V rated voltage for high-voltage power rails and ballast circuits.
• High ripple current capability — Low-frequency ripple current 925 mA (120 Hz) and high-frequency ripple current 1.85 A (100 kHz) to support both mains-frequency and switching-power environments.
• Loss characteristics — tan δ 0.24 (measured at 20 °C, 120 Hz) for defined dissipation behavior under AC stress.
• Leakage current — Specified leakage current 1780 µA for predictable standby and bias behavior.
• Long-life endurance — Rated for 12,000 hours at 105 °C under rated voltage and ripple conditions to support extended field life.
• Operating temperature — −40 °C to +105 °C for broad environmental capability.
• Package & mounting — Radial lead can, size φ16 × 35.5 mm, lead spacing 7.5 mm; available in bulk (no terminal forming) or bag packing for flexible assembly handling.
• Qualification & compliance — AEC‑Q200 rated and RoHS compliant to address automotive and regulatory requirements.

Typical Applications

• Automotive power supplies — Bulk energy storage and filtering on 300–400 V rails for in-vehicle power electronics where AEC-Q200 qualification is required.
• Switch-mode power supplies (SMPS) — DC-link and output filtering in industrial and automotive SMPS designs, leveraging the component’s high ripple current capability.
• Ballast circuits — AC mains ballast and lamp control applications that require stable high-voltage capacitance and long endurance at elevated temperature.

Unique Advantages

• High ripple tolerance: Specified ripple current at both low and high frequencies enables use across mains-frequency and switching environments without overstressing the capacitor.
• Extended high-temperature life: 12,000-hour endurance at 105 °C reduces replacement frequency and supports long field life in harsh thermal conditions.
• Automotive-grade qualification: AEC-Q200 rating supports integration into vehicle electronics where component-level qualification is required.
• Compact radial package: φ16 × 35.5 mm can and 7.5 mm lead spacing provide a balance of capacitance and board-level footprint for space-constrained power designs.
• Compliance-ready: RoHS compliance simplifies regulatory conformity for commercial and automotive projects.
• Flexible ordering options: Available in bulk (no terminal forming) or bag packing to match assembly and handling workflows.

Why Choose UCY2V121MHD?

UCY2V121MHD positions itself as a robust, long-life aluminum electrolytic solution for high-voltage power systems. With a 350 V rating, defined dissipation (tan δ), high ripple current capability, and a 12,000‑hour life at 105 °C, it delivers predictable performance for designers of automotive and industrial power supplies and ballast circuits.

This part is suited to engineers who need a qualified, RoHS-compliant capacitor that balances compact form factor with endurance and ripple-handling performance, helping reduce system-level risk and simplify component selection for high-voltage applications.

Request a quote or submit a pricing inquiry to evaluate UCY2V121MHD for your next design or production program.