UKW1J332MRD

The UKW1J332MRD is a miniature radial-lead aluminum electrolytic capacitor from Nichicon’s UKW series, optimized for audio and AV equipment. It provides 3300 µF capacitance at a 63 V rating in a compact φ16 × 25 mm can footprint, delivering the capacitance and ripple performance required for audio power and signal circuits.

Designed with an audio-focused electrolyte formulation and specified for operation from −40 °C to +85 °C, this polarized capacitor offers defined loss and leakage characteristics, long endurance at elevated temperature, and RoHS compliance.

Key Features

• Electrical Performance — 3300 µF (3.3 mF) nominal capacitance with ±20% tolerance; rated voltage 63 V.
• Audio-Optimized Dielectric — Part of the UKW series developed with a new electrolyte formulation to realize a harmonious balance of sound quality for AV and audio applications.
• Low Loss Characteristic — tan δ (loss tangent) specified at 0.10 (measurement condition: 20 °C, 120 Hz, at 63 V) for predictable AC behavior in audio circuits.
• Leakage Current Specified — Measured leakage current values: 623.7 µA after 1 minute and 207.9 µA after 2 minutes under rated-voltage conditions at 20 °C.
• Ripple Handling & Endurance — Specified ripple current capability and rated life of 2000 hours at 85 °C for sustained operation in audio power supplies.
• Mechanical & Mounting — Radial lead, polarized can package sized φ16 × 25 mm with 10 mm lead spacing (±0.5 mm); available in bulk (no terminal forming) or bag packing.
• Environmental Compliance — RoHS compliant.
• Product Status — End Of Life.

Typical Applications

• Audio Equipment — Suited for AV and consumer audio products where large capacitance and defined AC characteristics support power and signal stages.
• Amplifier Power Supplies — Provides bulk capacitance and ripple handling for DC filtering in amplifier power rails.
• AV System Electronics — Compact radial package fits space-constrained AV PCBs while delivering the capacitance needed for audio subsystem stability.

Unique Advantages

• High Capacitance in a Compact Can: 3300 µF in a φ16 × 25 mm package offers significant energy storage within a small footprint.
• Audio-Focused Electrolyte: UKW-series electrolyte development emphasizes sound quality characteristics appropriate for AV and audio designs.
• Defined Loss and Leakage: Specified tan δ and measured leakage currents provide predictable behavior for tuning and reliability in audio circuits.
• Extended Endurance: 2000 hours at 85 °C rated life supports long-term operation under elevated-temperature conditions common in audio power supplies.
• Through-Hole, Serviceable Form Factor: Radial-lead, polarized can simplifies prototyping, replacement, and mechanical retention on PCBs.
• Regulatory Compliance: RoHS status supports designs targeting restricted-substance requirements.

Why Choose UKW1J332MRD?

The UKW1J332MRD combines high capacitance, defined loss characteristics, and an audio-oriented electrolyte in a compact radial-lead can, making it well suited for designers of AV and audio equipment who require dependable bulk capacitance and predictable AC performance. Its specified leakage, ripple capability, and 2000-hour endurance at 85 °C support robust power-supply and decoupling roles in consumer and professional audio electronics.

This part is appropriate for teams focused on compact, through-hole implementations that need verified electrical parameters and regulatory compliance. Note the product is currently listed as End Of Life; consider this when planning long-term production and sourcing.

If you would like a formal quote or additional technical information, request a quote or contact sales with your part number and quantity requirements.