UEP1A332MHD

The UEP1A332MHD is a bi‑polar aluminum electrolytic capacitor from Nichicon’s UEP series designed for general‑purpose electronic applications. It provides 3300 µF capacitance at a 10 V rating in a compact radial can (φ16 × 30.5 mm) with 7.5 mm lead spacing.

Engineered for wide temperature operation (−55 °C to +105 °C) and rated for 1000 hours at 105 °C, this part is intended for circuits requiring bipolar performance, elevated ripple handling, and through‑hole mounting.

Key Features

• Bi‑Polarized Construction Supports applications that require polarity reversal or AC‑coupled circuits by providing bipolar operation.
• High Capacitance, Low Voltage 3300 µF at a 10 V rating (±20% tolerance) delivers bulk energy storage and smoothing in compact assemblies.
• Wide Operating Temperature Specified for −55 °C to +105 °C to maintain performance across a broad thermal range.
• Endurance and Reliability Rated for 1000 hours at 105 °C with polarity inversion every 250 hours; capacitance change and leakage meet the series endurance criteria.
• Ripple Current Capability Rated ripple current: 1.2 A at 120 Hz and up to 1.5 A at 10 kHz or more (product listing), enabling effective filtering under AC or high‑frequency ripple conditions.
• Electrical Characteristics Specified tangent of loss angle (tan δ) of 0.28 and leakage current of 990 µA as listed for the part.
• Package and Mounting Radial lead, can‑style package (φ16 × 30.5 mm) with 7.5 mm lead spacing; supplied bulk (no terminal forming) or bag packed for through‑hole assembly.
• RoHS Compliant Meets RoHS environmental requirements as stated in the product data.

Typical Applications

• AC‑coupled signal circuits — Used where bipolar capacitors are required for coupling or decoupling in signal paths and measurement chains.
• Power supply filtering — Bulk smoothing and ripple attenuation in low‑voltage supplies that need high capacitance and elevated ripple handling.
• General‑purpose electronic equipment — Suitable for assemblies that benefit from wide temperature range and radial through‑hole components.

Unique Advantages

• Bi‑polar capability: Eliminates the need for series capacitor arrangements where polarity may reverse, simplifying circuit design.
• High capacitance in a compact can: 3300 µF in a φ16 × 30.5 mm package saves board area while providing substantial energy storage.
• Wide temperature rating: −55 °C to +105 °C supports applications exposed to extreme ambient conditions without sacrificing performance.
• Robust ripple handling: Rated ripple current up to 1.5 A at high frequency improves filtering performance in noisy power environments.
• Proven endurance: 1000 hours at 105 °C with defined post‑test limits on capacitance, tan δ and leakage current for predictable long‑term behavior.
• Through‑hole convenience: Radial lead can and standard lead spacing ease prototyping and assembly in conventional PCBs.

Why Choose UEP1A332MHD?

UEP1A332MHD combines high capacitance, bipolar operation and wide temperature tolerance in a compact radial package, making it a practical choice for designers of general‑purpose electronics that require reliable bulk energy storage and AC‑capable decoupling. Its rated ripple current and 1000‑hour endurance at 105 °C provide measurable performance for sustained operation in demanding thermal and electrical environments.

This part is suited to engineers seeking a RoHS‑compliant, mass‑production component for through‑hole assemblies that demand stable capacitance, controlled loss (tan δ), and defined leakage characteristics across a broad temperature range.

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