UFW1E331MPD

The UFW1E331MPD is a radial-leaded aluminum electrolytic capacitor from Nichicon's UFW series, designed for audio equipment applications. It provides 330 µF capacitance at a 25 V rating in a compact φ10 × 12.5 mm can with radial leads.

Engineered for reliable smoothing and decoupling in audio systems, the device combines low loss (tanδ), defined ripple-current capability across low and high frequencies, and 2000 hours endurance at 85°C for sustained operation in consumer and pro-audio environments.

Key Features

• Capacitance & Voltage — 330 µF nominal capacitance with a 25 V rated voltage and tolerance of ±20% at 120 Hz, 20°C.
• Low Loss for Audio — tanδ of 0.16 (max.) measured at 20°C and 120 Hz, supporting low-loss performance suitable for audio signal and power applications.
• Ripple Current Performance — Specified ripple currents of 420 mA at 120 Hz (low frequency) and 630 mA at 10 kHz (high frequency), enabling effective smoothing across typical audio power ranges.
• Leakage Current — Measured leakage current of 247.5 µA, consistent with stable bias behavior after application of rated voltage.
• Endurance & Reliability — 2000 hours rated life at 85°C with defined post-test limits for capacitance change, tanδ, and leakage current.
• Operating Temperature Range — −40°C to 85°C for use across a wide range of ambient conditions.
• Compact Radial Package — φ10 × 12.5 mm can, radial lead mounting with 5.0 mm lead spacing (±0.5 mm); lead wire diameter φd = 0.6 mm for the φ10 case.
• Packaging & Availability — Supplied bulk/bag packed (no terminal forming) and listed as mass production.

Typical Applications

• Audio equipment — Intended for audio system use where low-loss filtering and stable decoupling are required; tanδ and ripple-current specs support smoothing in audio power rails.
• Power supply decoupling — Provides bulk capacitance and ripple handling for local power stabilization in compact electronic assemblies.
• Consumer and professional electronics — Compact radial form factor suits space-constrained boards in consumer audio devices and pro-audio modules.

Unique Advantages

• Audio-oriented electrical profile — A tanδ of 0.16 at 120 Hz and 20°C is specified to align with audio equipment requirements for low-loss energy storage.
• Frequency-spanning ripple capability — Separate ripple-current ratings at 120 Hz and 10 kHz give designers clear performance expectations for both low- and high-frequency smoothing tasks.
• Compact footprint — φ10 × 12.5 mm radial can with 5 mm lead spacing enables use in space-limited board layouts without sacrificing capacitance.
• Long endurance at elevated temperature — 2000 hours at 85°C provides a defined reliability metric for designs exposed to sustained thermal stress.
• Ready for production — Bulk/bag packaging and mass-production status simplify procurement and volume assembly planning.

Why Choose UFW1E331MPD?

UFW1E331MPD positions itself as a practical choice for audio-focused designs that require a balance of capacitance, low loss, and predictable ripple-current handling in a compact radial package. Its defined endurance at 85°C and clear leakage and loss specifications help engineers evaluate long-term performance for both consumer and pro-audio products.

This part is suited to designers and procurement teams seeking a production-ready electrolytic capacitor from the Nichicon UFW series, where documented electrical characteristics and a compact form factor are priorities for reliable power and signal conditioning.

Request a quote or submit an inquiry to receive pricing and availability for UFW1E331MPD or to discuss volume packaging and lead-time options.