UKL1E332MHD

The UKL1E332MHD is an aluminum electrolytic capacitor engineered for low leakage current in a radial‑lead can package. With a capacitance of 3300 µF at 25 V and polarization for through‑hole mounting, it is suited to applications that require bulk energy storage and stable DC filtering.

Key attributes include a wide operating temperature range of −40 °C to 85 °C, proven endurance of 2000 hours at 85 °C, and high ripple current capability across low and high frequencies—making it a practical choice for audio and similar electronic systems that demand reliable smoothing and decoupling.

Key Features

• Capacitance & Voltage — 3300 µF nominal capacitance with ±20% tolerance rated at 25 V, providing substantial bulk capacitance for DC filtering and energy storage.
• Low Leakage Current — Specified leakage current of 165 µA, enabling lower standby loss and improved long‑term charge retention compared with higher‑leakage alternatives.
• High Ripple Current Capability — Rated low‑frequency ripple current of 1.72 A at 120 Hz and high‑frequency ripple current of 1.978 A at 10 kHz for improved ripple handling in power supply and audio circuits.
• Endurance & Reliability — Life rating of 2000 hours at 85 °C under rated voltage, reflecting stable performance over extended high‑temperature operation.
• Temperature Range — Operates from −40 °C to 85 °C to cover typical industrial and consumer environmental conditions.
• Radial Lead Package — φ18 × 40L can with 7.5 mm lead spacing and radial leads for straightforward through‑hole mounting and hand or wave assembly; available in bulk or bag packing.
• RoHS Compliant — Conforms to RoHS requirements, supporting regulatory compliance in assemblies.
• Polarized Design — Polarized capacitor suitable for DC applications where orientation is controlled.

Typical Applications

• Audio — Bulk filtering and smoothing in audio power supplies and amplifier rails where low leakage and high ripple capability improve noise performance and dynamic response.

Unique Advantages

• Low standby loss: The specified leakage current of 165 µA reduces quiescent discharge, beneficial for circuits that require long hold times or low idle current.
• Improved ripple performance: High ripple current ratings at both 120 Hz and 10 kHz enable better heat management and stability under varying load frequencies.
• Compact, mountable form factor: φ18 × 40L radial can with 7.5 mm lead spacing provides a compact through‑hole solution for high‑capacitance needs.
• Wide operating temperature: −40 °C to 85 °C operation supports use across common industrial and consumer temperature environments.
• Durability at elevated temperature: 2000‑hour endurance at 85 °C ensures sustained performance in thermally demanding assemblies.
• RoHS compliance: Enables integration into assemblies that must meet environmental regulatory requirements.

Why Choose UKL1E332MHD?

UKL1E332MHD combines high bulk capacitance with low leakage and robust ripple handling in a compact radial package, delivering reliable DC smoothing and decoupling for audio and other electronic systems. Its endurance rating at 85 °C and wide operating temperature range make it suitable for designs that require consistent performance over time.

This part is ideal for engineers specifying through‑hole electrolytic capacitors where low leakage, high ripple tolerance, and regulatory compliance are priorities. It offers a clear, specification‑based solution that simplifies component selection for power supply and signal conditioning applications.

Request a quote or contact sales to discuss availability, packaging options, and to obtain pricing and lead‑time information for UKL1E332MHD.