UPA1V332MHD

The UPA1V332MHD is a radial-lead aluminum electrolytic capacitor in Nichicon’s UPA series, rated at 3300 µF and 35 V. It delivers low impedance and high ripple-current capability in a compact radial can package for general-purpose power applications.

Designed for systems that require robust filtering and bulk energy storage, the part combines a wide operating temperature range (−55 °C to 105 °C) with a 5 000‑hour endurance at 105 °C for long-term reliability in demanding power environments.

Key Features

• Capacitance & voltage — 3300 µF (3.3 mF) nominal capacitance with ±20% tolerance and a rated voltage of 35 V for bulk energy storage and smoothing.
• Low impedance — Specified impedance of 32 mΩ to reduce ripple voltage and improve dynamic response in power rails.
• High ripple current handling — Low-frequency ripple current of 2.474 A at 120 Hz and high-frequency ripple current of 2.91 A at 10 kHz to support switching supplies and high-frequency converters.
• Thermal and endurance performance — Rated for operation from −55 °C to 105 °C with a life of 5000 hours at 105 °C, suitable for continuous elevated-temperature operation.
• Electrical loss characteristics — tan δ = 0.16 (measured at 20 °C, 120 Hz) for predictable dissipation behavior in design calculations.
• Leakage current — Specified leakage current of 3465 µA as provided in product data.
• Compact radial package — φ18 × 30.5 mm can with 7.5 mm lead spacing (±0.5 mm) for through-hole mounting and straightforward wave/hand assembly options; available in bulk or bag packing.
• Compliance — RoHS compliant for environmental regulatory requirements.

Typical Applications

• Switching power supplies — Bulk filtering and output smoothing where high ripple current and low impedance are required.
• DC/DC converters — Energy storage and decoupling on input/output rails to improve transient response and reduce voltage ripple.
• Industrial power electronics — Robust performance across −55 °C to 105 °C and long endurance for continuous operation in industrial controllers and power modules.

Unique Advantages

• High ripple tolerance: Specified ripple current at both low and high frequencies supports modern switching topologies and reduces the need for parallel components.
• Low impedance: 32 mΩ impedance minimizes voltage drop under load and improves regulation on power rails.
• Long life at elevated temperature: 5000 hours at 105 °C provides predictable aging and reliability for designs that run hot or continuously loaded.
• Compact radial can: φ18 × 30.5 mm size and standard 7.5 mm lead spacing enable easy integration into through-hole power boards while conserving PCB area.
• Regulatory readiness: RoHS compliance supports environmental requirements without additional procurement steps.

Why Choose UPA1V332MHD?

The UPA1V332MHD is positioned as a compact, high‑performance aluminum electrolytic capacitor for designers who need reliable bulk capacitance with strong ripple-handling and low impedance. Its combination of 3300 µF at 35 V, defined loss and leakage characteristics, and a 5000‑hour endurance at 105 °C makes it well suited to power-supply filtering, DC/DC converter outputs, and other general-purpose power applications where long-term stability matters.

This part is appropriate for engineers and procurement teams seeking a proven, RoHS‑compliant radial electrolytic solution that balances size, electrical performance, and thermal endurance for robust power-electronics designs.

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