UAS2G220MHD

The UAS2G220MHD is a radial-lead aluminum electrolytic capacitor offering 22 µF capacitance at a 400 V rating. It is a miniature, high-voltage electrolytic designed for general-purpose electronic applications that require compact, high-voltage energy storage and smoothing.

Key design attributes include a wide operating temperature range from −40°C to +105°C, a 2000-hour endurance rating at 105°C, and safety features for abnormal overvoltage conditions—making it suitable for demanding power and industrial environments where long-term stability and safety are required.

Key Features

• Rated Capacitance & Voltage — 22 µF nominal capacitance at 400 V DC, suitable for circuits that require compact high-voltage capacitance.
• Tolerance and Loss — ±20% capacitance tolerance and tan δ (loss tangent) max 0.15 at 120 Hz, 20°C, for predictable AC performance.
• Ripple Current Capability — Rated ripple currents of 165 mA at 120 Hz and 264 mA at 10 kHz, supporting both low- and high-frequency ripple environments.
• Leakage Current — Specified leakage current of 452 µA (measured after 1 minute at 20°C), enabling reliable bias characteristics in DC circuits.
• Temperature and Endurance — Operating range −40°C to +105°C with a rated lifetime of 2000 hours at 105°C under specified DC bias plus rated ripple current.
• Safety and Robustness — Improved safety for abnormally excessive voltage; pressure relief vent designed to operate without ignition or violent case dispersion in abnormal conditions.
• Package and Mounting — Radial lead can construction, case diameter φ12.5 × 20 mm length, 5 mm lead spacing; available in bulk/bag packaging and in mass production status.
• Regulatory — RoHS compliant.

Typical Applications

• General-purpose power filtering — Provides bulk capacitance and ripple smoothing in high-voltage power circuits that require a compact 22 µF, 400 V solution.
• High-voltage DC circuits — Suited to DC bus, energy storage or smoothing roles where 400 V rating and controlled leakage are required.
• Industrial electronics — Applicable in equipment operating across a wide ambient range (−40°C to +105°C) with a need for long-term endurance at elevated temperatures.

Unique Advantages

• High-voltage capability: 400 V rating allows designers to use a single compact capacitor where higher voltage margins are required.
• Compact radial can package: φ12.5 × 20 mm size with 5 mm lead spacing fits tight board layouts while providing through-hole mounting robustness.
• Wide temperature and proven endurance: −40°C to +105°C operating range and 2000 h at 105°C rating deliver predictable life in hot operating conditions.
• High ripple handling: Specified ripple currents at 120 Hz and 10 kHz support both low- and high-frequency ripple management needs.
• Safety features for abnormal voltage: Improved overvoltage tolerance and a pressure-relief vent reduce the risk of dangerous failure modes under abnormal conditions.
• Regulatory compliance: RoHS compliance supports use in regulated assemblies and simplifies environmental conformity.

Why Choose UAS2G220MHD?

The UAS2G220MHD combines a high 400 V rating with a compact radial can footprint and strong ripple and temperature performance, making it a practical choice for designers needing reliable high-voltage capacitance in constrained PCB layouts. Its 2000-hour endurance at 105°C and specified leakage and loss characteristics provide predictable behavior in long-life, temperature-challenged applications.

This part is well suited to engineers and procurement teams specifying general-purpose high-voltage electrolytic capacitors for industrial or power electronics platforms where documented endurance, safety features, and RoHS compliance are required.

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