UPA1E332MHD

The UPA1E332MHD is a radial lead aluminum electrolytic capacitor featuring 3300 µF capacitance and a 25 V rating. Built on the UPA series architecture, it delivers low impedance, high ripple-current handling and long endurance in a compact φ16×25 mm can suitable for power-intensive circuits.

Designed for general-purpose and switching power supply applications, this polarized capacitor targets embedded power filtering, bulk energy storage and decoupling where high ripple capability, wide temperature range and long life are required.

Key Features

• Capacitance & Voltage: 3.3 mF (3300 µF) rated at 25 V for bulk filtering and energy storage in low-voltage power rails.
• Low Impedance Performance: Rated impedance of 38 mΩ supports high ripple currents and low voltage drop under dynamic loads.
• High Ripple Current Capability: Low-frequency ripple current 2.346 A (120 Hz) and high-frequency ripple current 2.76 A (10 kHz) for robust performance in switching supplies.
• Wide Temperature Range: Operates from −55 °C to 105 °C, enabling use across varied thermal environments.
• Long Endurance: Qualified for 5000 hours at 105 °C, providing predictable lifetime for continuous high-temperature applications.
• Compact Radial Package: φ16 × 25 mm can with 7.5 mm lead spacing (±0.5 mm) and radial lead mounting for through-hole designs; available in bulk or bag packing.
• Electrical Characteristics: Loss tangent (tan δ) 0.18 measured at 20 °C, 120 Hz and leakage current specified at 2475 µA for this part.
• RoHS Compliant & Production Ready: RoHS-compliant construction and listed as mass production status.

Typical Applications

• Switching Power Supplies: Bulk filtering and output smoothing where low impedance and high ripple current extend regulator stability and reduce voltage ripple.
• Embedded Power Systems: Energy storage and decoupling for microcontroller power rails and DC–DC converter outputs in industrial and consumer electronics.
• Power Management Modules: Input and output filtering in adapter circuits and power modules to manage transient loads and improve regulation.

Unique Advantages

• High Ripple Handling: Specified ripple currents at both low and high frequencies support a wide range of switching regulator topologies and switching speeds.
• Compact Footprint: φ16×25 mm size with radial leads enables high capacitance in a small through-hole package for space-constrained boards.
• Extended High-Temperature Life: 5000 hours at 105 °C gives predictable endurance for continuous operation in hot environments.
• Low Impedance: 38 mΩ impedance minimizes voltage drop and losses under heavy AC load, improving power conversion efficiency.
• Design-Friendly Mounting: Standard 7.5 mm lead spacing and bulk/bag packaging simplify prototyping and production placement for through-hole assemblies.

Why Choose UPA1E332MHD?

UPA1E332MHD pairs high capacitance with low impedance and rated ripple capability to meet the demands of switching power supplies and embedded power systems. Its long 5000-hour endurance at 105 °C and wide −55 °C to 105 °C operating range make it a reliable choice for designs requiring stability under thermal stress.

This part is well suited for engineers specifying through-hole bulk capacitors where compact size, strong ripple performance and RoHS compliance are priorities. Its combination of measurable electrical characteristics and production-ready status supports straightforward integration into power delivery and filtering applications.

Request a quote or submit an inquiry for pricing, lead time and packaging options to evaluate UPA1E332MHD for your next design.