UHW1E332MHD

The UHW1E332MHD is a miniature, radial-lead aluminum electrolytic capacitor from Nichicon's UHW series designed for high ripple current and long-life applications. It provides 3300 µF capacitance at a 25 V rating in a compact φ12.5 × 35.5 mm can, intended for general-purpose power filtering and bulk energy storage in electronic equipment.

Key value comes from a combination of high ripple current capability, low impedance, extended endurance at elevated temperature, and RoHS compliance—making it suitable for embedded power rails, power supplies, and industrial electronics where compact, reliable bulk capacitance is required.

Key Features

• Capacitance & Voltage — 3300 µF (3.3 mF) nominal capacitance with a rated voltage of 25 V and capacitance tolerance of ±20%.
• High Ripple Current & Low Impedance — Low-frequency ripple current 3.09 A at 120 Hz and high-frequency ripple current 4.12 A at 10 kHz, with measured impedance of 33 mΩ for improved filtering performance.
• Electrical Losses — Dissipation factor (tan δ) of 0.17 measured at 20°C and 120 Hz, specified for predictable AC performance.
• Leakage Current — Typical leakage current specified as 825 µA, measured under rated conditions.
• Reliability & Endurance — 10,000 hours rated lifetime at 105°C, designed for long-term operation under elevated temperature and ripple stress.
• Mechanical & Package — Radial lead can package, case size φ12.5 × 35.5 mm, lead spacing 5.0 mm (tolerance ±0.5 mm); available in bulk (no terminal forming) or bag packing.
• Environmental Compliance — RoHS compliant.

Typical Applications

• Power Supply Filtering — Bulk smoothing and decoupling on DC rails where 3.3 mF at 25 V and high ripple capacity improve voltage stability.
• DC-DC Converters — Input/output filtering for switching regulators requiring low impedance and high-frequency ripple handling up to 10 kHz.
• Industrial Control Electronics — Energy buffering and ripple suppression in control boards operating across −40°C to 105°C.
• General-Purpose Electronic Equipment — Compact bulk capacitance for consumer and professional devices needing durable, long-life capacitors in limited board space.

Unique Advantages

• High Ripple Endurance: Rated ripple currents of 3.09 A (120 Hz) and 4.12 A (10 kHz) reduce thermal stress and improve system reliability under AC load.
• Low Impedance: 33 mΩ impedance supports improved transient response and tighter voltage regulation in power circuits.
• Compact High-Capacity Package: 3300 µF in a φ12.5 × 35.5 mm can delivers substantial bulk capacitance in a small footprint to save board space.
• Extended High-Temperature Life: 10,000-hour endurance at 105°C supports long-term deployment in thermally demanding environments.
• Engineered for Predictable AC Performance: Specified tan δ (0.17 at 20°C, 120 Hz) and defined leakage current enable predictable design margins for AC-loaded applications.
• RoHS Compliant Packaging Options: Available in bulk or bag packing to suit assembly and inventory requirements while meeting environmental standards.

Why Choose UHW1E332MHD?

UHW1E332MHD combines high ripple-current capability, low impedance, and extended endurance in a compact radial-lead aluminum electrolytic package. It is positioned for designers who need reliable bulk capacitance and robust AC performance for power supplies, converters, and general-purpose electronics operating across −40°C to 105°C.

This part is suited to engineering teams seeking a proven, long-life capacitor solution that balances size, performance, and environmental compliance while simplifying BOM selection for applications that require substantial capacitance at 25 V.

If you need pricing, availability, or a formal quote for UHW1E332MHD, request a quote or submit an RFQ to receive detailed lead-time and ordering information.