UKW1C333MRD

The Nichicon UKW1C333MRD is a 33,000 µF, 16 V radial‑lead aluminum electrolytic capacitor from the UKW series, designed for audio and AV equipment. Its miniature can package (φ25 × 50 mm) combines very high bulk capacitance with ripple handling characteristics suited to audio power stages and AV circuitry.

As a polarized radial‑lead component with RoHS compliance and an endurance rating of 2000 hours at 85°C, the UKW1C333MRD targets designs that require large energy reserve, measurable ripple performance and stable operation across –40°C to 85°C.

Key Features

• High Capacitance: 33,000 µF (33 mF) nominal capacitance with tolerance ±20% (at 120 Hz, 20°C), providing substantial energy storage for audio and AV power stages.
• Rated Voltage and Polarization: 16 V rated, polarized capacitor suitable for DC power rail applications.
• Ripple Current Performance: Low‑frequency ripple current 4.8 A (120 Hz) and high‑frequency ripple current 5.52 A (10 kHz), enabling handling of both low and high frequency ripple components.
• Loss Characteristics: Dissipation factor (tan δ) 0.24 measured at 20°C and 120 Hz, specified for the part to quantify AC loss.
• Endurance and Temperature Range: Endurance of 2000 hours at 85°C and operating temperature range from –40°C to 85°C for long‑term stability in AV environments.
• Compact Radial Can Package: Dimensions φ25 × 50 mm (L: 5 cm × D: 2.5 cm), radial lead mounting with 12.5 mm lead spacing (±0.5 mm), available in bulk or bag packing.
• Leakage Current: Specified leakage current 15,840 µA (as listed for the part).
• Regulatory: RoHS compliant.
• Product Status: End Of Life.

Typical Applications

• Audio and AV Equipment: Bulk energy storage and smoothing in audio amplifiers, receivers and AV components where sustained capacitance and ripple capability support clean power delivery.
• Professional Audio Systems: Power rail decoupling and buffering in pro audio designs that require large capacitance to support dynamic audio loads.
• Consumer AV Electronics: Smoothing and ripple mitigation in consumer AV power supplies and amplifier modules to maintain stable operation across varying load conditions.

Unique Advantages

• Substantial Energy Reserve: 33,000 µF nominal capacitance provides significant stored energy for smoothing and transient handling in audio power systems.
• Dual‑Band Ripple Handling: Specified ripple current values at both 120 Hz (4.8 A) and 10 kHz (5.52 A) demonstrate capability across low and high ripple frequencies.
• Compact Can Form Factor: φ25 × 50 mm radial can offers high capacitance in a compact footprint with 12.5 mm lead spacing for through‑hole mounting.
• Designed for AV Sound Quality: Part of the UKW series developed with an electrolyte and construction optimized for audio equipment, aligning component characteristics with AV design requirements.
• Durability at Elevated Temperature: 2000 hours endurance at 85°C supports long‑term stability in heat‑loaded AV enclosures.
• Regulatory Compliance: RoHS compliant to support environmental requirement adherence.

Why Choose UKW1C333MRD?

The UKW1C333MRD is positioned for audio and AV designs that need a high bulk capacitance solution with defined ripple performance and endurance at elevated temperature. Its radial can packaging and 12.5 mm lead spacing make it straightforward to integrate into through‑hole power supply and amplifier boards where large energy storage is required.

Engineers specifying this part benefit from Nichicon’s UKW series focus on audio applications, measurable loss and ripple specifications, and a documented endurance profile. Note the part is listed as End Of Life; evaluate current inventories and replacement planning accordingly.

Request a quote or submit an inquiry to evaluate UKW1C333MRD for your design and to discuss availability and packaging options.