UVK2E331MRD

The UVK2E331MRD is a radial-lead aluminum electrolytic capacitor from Nichicon's UVK series, offering 330 µF capacitance with a 250 V rating in a compact radial can (φ20 × 40 mm). It is a polarized, general-purpose component specified for through-hole mounting and bulk or bag packaging.

Engineered for general-purpose power applications, this part provides defined ripple current ratings, leakage and dissipation characteristics, and an endurance specification of 2000 hours at 85°C—helpful for designers who need verifiable electrical and thermal behavior in a small footprint.

Key Features

• Capacitance & Tolerance — 330 µF nominal with tolerance of −20% to +20% (measured at 120 Hz, 20°C).
• Voltage Rating — Rated for 250 V operation.
• Loss Factor (tan δ) — tanδ of 0.2 at 20°C, 120 Hz, providing a reference for dissipation in AC conditions.
• Ripple Current Specifications — Low-frequency ripple current 1000 mA at 120 Hz and high-frequency ripple current 1150 mA at 10 kHz.
• Leakage Current — Specified leakage current of 3400 µA.
• Temperature & Endurance — Operating range −40°C to +85°C with endurance of 2000 hours at 85°C (measured per series endurance conditions).
• Package & Mounting — Radial lead, can-style package; dimensions φ20 × 40 mm with 10 mm lead spacing (±0.5 mm).
• Polarization — Polarized capacitor for DC circuit use.
• Series Characteristics — Part of the Nichicon UVK series, a miniature-sized family with one-rank-smaller case sizes than UVR.
• Environmental Compliance — RoHS compliant.
• Packaging Options — Available in bulk (no terminal forming) or bag packing.

Typical Applications

• General-purpose power circuits — Bulk smoothing and decoupling in electronic equipment requiring a 250 V-rated aluminum electrolytic capacitor.
• Industrial and control equipment — Suitable where operation across −40°C to +85°C and 2000 h endurance at 85°C are required.
• Through-hole prototypes and assemblies — Radial-lead can and 10 mm lead spacing simplify placement and manual assembly in power modules and boards.

Unique Advantages

• Space-efficient 250 V solution: 330 µF in a φ20 × 40 mm radial can provides a compact high-voltage option for constrained PCB real estate.
• Dual ripple ratings: Explicit low-frequency (1.00 A at 120 Hz) and high-frequency (1.15 A at 10 kHz) ripple specifications support mixed-frequency power environments.
• Measurable dissipation: tanδ = 0.2 at 120 Hz gives designers a concrete parameter for thermal and loss budgeting.
• Documented high-temperature endurance: 2000 hours at 85°C offers a defined reference for expected long-term electrical stability under elevated conditions.
• RoHS compliance: Meets environmental directive requirements for restricted substances.
• Through-hole practicality: Standard radial lead spacing and bulk/bag packaging ease prototyping and low-volume assembly workflows.

Why Choose UVK2E331MRD?

UVK2E331MRD is positioned for designers who need a compact, 250 V-rated aluminum electrolytic capacitor with clearly specified electrical and endurance characteristics. Its combination of 330 µF capacitance, defined ripple current ratings at both low and high frequencies, leakage and tanδ specifications, and 2000-hour endurance at 85°C make it a viable option for general-purpose power filtering and decoupling in through-hole assemblies.

As part of Nichicon's UVK series, this miniature-sized radial-can capacitor provides predictable performance and RoHS compliance for applications where space, thermal behavior, and verifiable specification margins matter to engineering and procurement decisions.

Request a quote or contact sales to discuss availability, lead times, and volume pricing for UVK2E331MRD.