UKW1H221MPD

The UKW1H221MPD is a radial-lead aluminum electrolytic capacitor from Nichicon’s UKW series, optimized for audio and AV equipment. It provides 220 µF capacitance at a 50 V rating with a compact radial can package and 5 mm lead spacing for through‑hole assemblies.

Designed for applications that require stable filtering and decoupling with audible-performance considerations, this part combines audio-focused electrolyte formulation with measurable electrical endurance and low leakage suitable for consumer and professional AV circuitry.

Key Features

• Capacitance and Tolerance — 220 µF with ±20% tolerance at 120 Hz, 20°C, providing bulk energy storage and smoothing for power rails and coupling circuits.
• Voltage Rating — Rated for 50 V operation to support higher-voltage analog and audio power supply sections.
• Audio-Optimized Electrolyte — Part of the UKW series developed for a "harmonious balance of sound quality," making it suited to AV and audio equipment applications.
• Ripple Current Capability — 410 mA at 120 Hz (low frequency) and 615 mA at 10 kHz (high frequency), enabling effective ripple handling across typical audio power supply frequencies.
• Low Leakage — Leakage current specified at 330 µA, supporting low-bias drift and predictable behavior in signal‑sensitive circuits.
• Endurance — 2000 hours rated life at 85°C with specified recovery characteristics after endurance testing, suitable for sustained operation in enclosed AV equipment.
• Temperature Range — Operating range from −40°C to +85°C to cover common environmental conditions for consumer and professional electronics.
• Mechanical Package — Radial, can-style package φ10 × 12.5 mm (D × L) with 5 mm lead spacing for secure through‑hole mounting and straightforward replacement in legacy and new designs.
• Regulatory — RoHS compliant.

Typical Applications

• Audio Power Supplies — Bulk filtering and smoothing in power supply rails for amplifiers and preamplifiers where stability and ripple control matter.
• AV Equipment — Decoupling and energy storage in consumer and professional AV systems; the UKW series is targeted at achieving balanced sound quality.
• Signal Coupling/Decoupling — AC coupling and local decoupling in analog audio paths where low leakage and predictable endurance are important.

Unique Advantages

• Audio-focused formulation: UKW series electrolyte development emphasizes a harmonious balance of sound quality, aligning electrical performance with audible-system goals.
• Measured ripple capability: Specified ripple currents at both low (120 Hz) and high (10 kHz) frequencies allow designers to size caps based on real-world audio supply conditions.
• Compact radial can: φ10 × 12.5 mm body and 5 mm lead spacing enable dense through‑hole layouts while maintaining serviceability.
• Long endurance at elevated temperature: 2000 hours at 85°C gives predictable lifecycle behavior for equipment exposed to sustained thermal stress.
• Low leakage current: 330 µA leakage supports stable DC biasing and minimizes unwanted drift in audio circuits.
• RoHS compliant: Suitable for designs requiring restricted substances compliance.

Why Choose UKW1H221MPD?

UKW1H221MPD positions itself as a practical choice for designers of audio and AV electronics who need a 220 µF, 50 V radial electrolytic capacitor with measurable ripple handling, low leakage, and a formulation tuned for sound quality. Its combination of endurance (2000 h at 85°C) and compact radial can footprint makes it suitable for both new designs and replacements in existing through‑hole assemblies.

Specified by Nichicon within the UKW series, this part delivers predictable electrical characteristics and environmental compliance for systems where reliable filtering, decoupling, and audio performance are required over the product lifecycle.

Request a quote or submit an inquiry for pricing and availability of UKW1H221MPD to streamline procurement and component selection for your next audio or AV design.