UKW1V331MPD

The UKW1V331MPD is a miniature, radial-lead aluminum electrolytic capacitor from Nichicon’s UKW series, engineered for audio and AV equipment. It pairs a 330 µF capacitance with a 35 V rating and an audio-optimized electrolyte formulation intended to support a balanced sound signature in audio signal and power applications.

Designed for board-level radial mounting, this RoHS-compliant capacitor offers defined ripple handling, low-frequency and high-frequency ripple current ratings, and a long endurance specification for sustained operation up to 85°C.

Key Features

• Capacitance & Voltage — 330 µF rated capacitance at 35 V for bulk decoupling, coupling and supply filtering in audio signal paths.
• Audio-Optimized Electrolyte — Developed electrolyte formulation aimed at achieving a harmonious balance of sound quality for AV and audio equipment.
• Loss & Dissipation — Tangent of loss angle (tanδ) 0.14 measured at 20°C, 120 Hz, supporting predictable AC performance in audio frequencies.
• Ripple Current Capability — Low-frequency ripple current 470 mA (120 Hz) and high-frequency ripple current 705 mA (10 kHz), enabling handling of both supply and higher-frequency ripple components.
• Leakage Current — Specified leakage current of 346.5 µA, defined for design verification and bias budgeting.
• Endurance — Rated for 2000 hours at 85°C with defined limits on capacitance change, tanδ and leakage after test.
• Mechanical & Mounting — Compact radial can size φ10 × 12.5 mm, lead spacing 5.0 mm (±0.5 mm), available in bulk (no terminal forming) or bag packing for assembly flexibility.
• Operating Temperature — Wide operating range from −40°C to +85°C for typical AV and audio environments.
• Polarized — Radial polarized electrolytic suitable for DC bias applications in audio circuitry.

Typical Applications

• Audio Equipment — Bulk filtering, power supply smoothing and coupling in amplifiers and preamplifiers where capacitance and audio-oriented electrolyte characteristics matter.
• AV Equipment — Power decoupling and noise suppression in consumer and professional AV devices consistent with the UKW series focus on audio performance.
• Power Supply Filtering — DC rail smoothing and transient energy support for board-level power supplies in audio and multimedia electronics.

Unique Advantages

• Audio-focused formulation: Electrolyte developed for a harmonious balance of sound quality, addressing audio-specific performance needs.
• Compact radial can: φ10 × 12.5 mm package and 5 mm lead spacing deliver a small footprint for space-constrained audio PCBs.
• Defined ripple handling across frequencies: Separate low-frequency (470 mA at 120 Hz) and high-frequency (705 mA at 10 kHz) ripple current ratings support mixed-frequency environments.
• Long endurance at elevated temperature: 2000 hours at 85°C with specified recovery criteria, helping ensure sustained performance in heated enclosures.
• Predictable dissipation: tanδ = 0.14 (20°C, 120 Hz) gives designers measurable loss characteristics for audio-band behavior.
• Production readiness: Nichicon product in mass production and RoHS-compliant for streamlined procurement and regulatory compatibility.

Why Choose UKW1V331MPD?

The UKW1V331MPD is positioned for designers building audio and AV systems who need a compact, radial-lead electrolytic with measurable audio-oriented performance. Its combination of 330 µF at 35 V, defined loss characteristics, dual-frequency ripple ratings and a 2000-hour endurance at 85°C offers a clear, verifiable specification set for supply decoupling and coupling roles in audio circuits.

As a Nichicon UKW-series part in mass production and RoHS-compliant, UKW1V331MPD provides a production-ready component choice for engineers seeking consistency, compact sizing and audio-focused behavior in consumer and professional AV designs.

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