UHW1V221MPD

The UHW1V221MPD is a Nichicon UHW-series radial lead aluminum electrolytic capacitor offering 220 µF capacitance at a 35 V rating. Engineered for miniature size and high ripple current capability, it targets general-purpose electronic applications that require compact power filtering and stable performance across a wide temperature range.

Key attributes include low high-frequency impedance, a wide operating temperature range from −40°C to +105°C, and a 10,000-hour endurance at 105°C, making it suitable for designs that balance small footprint with reliable ripple-current handling.

Key Features

• Electrical Performance — 220 µF capacitance with a rated voltage of 35 V and capacitance tolerance of -20%~20%. Specified impedance is 170 mΩ and tangent of loss angle (tanδ) is 0.11 (20°C, 120 Hz).
• High Ripple Current — Low-frequency ripple current of 800 mA at 120 Hz and high-frequency ripple current of 1.6 A at 10 kHz, supporting robust AC ripple handling in compact designs.
• Leakage and Polarization — Polarized electrolytic capacitor with specified leakage current of 77 µA.
• Reliability & Endurance — Rated for 10,000 hours at 105°C, supporting long-term performance under elevated-temperature conditions.
• Mechanical & Packaging — Radial lead mounting in a φ8 × 15L can with 3.5 mm lead spacing (±0.5 mm). Available in bulk (no terminal forming) and bag packing for flexible procurement and assembly processes.
• Environmental Compliance — RoHS compliant.

Typical Applications

• Power filtering and smoothing — Handles AC ripple with 800 mA (120 Hz) and up to 1.6 A (10 kHz) ripple current, suitable for local energy storage and smoothing in compact power circuits.
• Decoupling in compact modules — Small φ8 × 15L can and radial-lead format make it practical for space-constrained boards where low high-frequency impedance is needed.
• General-purpose electronics — Designed for a broad range of electronics requiring polarized electrolytic capacitance with stable performance from −40°C to +105°C.

Unique Advantages

• Compact form factor: φ8 × 15L size provides high capacitance in a small can, helping reduce PCB area for space-limited designs.
• High ripple tolerance: Specified ripple currents at both low and high frequencies allow reliable performance in circuits with significant AC components.
• Low high-frequency impedance: Series design emphasis on lower impedance at high frequency supports improved decoupling and transient response in power rails.
• Long endurance at elevated temperature: 10,000-hour rating at 105°C supports prolonged operation in thermally demanding environments.
• RoHS compliant: Meets RoHS directive requirements for reduced hazardous substances.

Why Choose UHW1V221MPD?

UHW1V221MPD combines compact packaging and high ripple-current capability with documented endurance at elevated temperature, making it a practical choice for engineers specifying polarized aluminum electrolytic capacitance in space-restricted power and general-purpose applications. Its low high-frequency impedance and clear electrical parameters simplify design decisions where stable decoupling and ripple handling are required.

This part is ideal for designers and purchasers seeking a mass-production-ready radial lead capacitor with defined ripple ratings, leakage current, and a consistent temperature performance window backed by Nichicon's UHW series characteristics.

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