UCS2G820MNY9

The UCS2G820MNY9 is a miniature, high-reliability aluminum electrolytic capacitor from Nichicon’s UCS series. It is a radial-lead, polarized can-type capacitor designed for high-voltage smoothing, decoupling and general-purpose power applications.

Key value propositions include a 400 V rated voltage, high ripple-current handling at both low and high frequencies, and long life endurance at elevated temperature, making it suitable for demanding power-supply and ballast roles.

Key Features

• Capacitance & Voltage: 82 µF rated capacitance at 400 V provides bulk energy storage and DC bus smoothing for high-voltage circuits.
• High-temperature Endurance: Designed for 10,000 hours at +105°C under rated conditions, supporting extended service life in hot environments.
• Ripple Current Performance: Low-frequency ripple current 700 mA (120 Hz) and high-frequency ripple current 1.4 A (100 kHz), enabling effective filtering across a broad frequency range.
• Loss and Leakage: tan δ (loss tangent) of 0.24 (measured at 20°C, 120 Hz) and specified leakage current of 1,412 µA, documented for predictable electrical behavior.
• Operating Temperature Range: Rated from −40°C to +105°C for use across a wide thermal envelope.
• Package & Mounting: Miniature radial can, size φ12.5 × 50 mm with 5.0 mm lead spacing (±0.5 mm), supplied in bulk (no terminal forming) or bag packing for PCB radial-lead assembly.
• RoHS Compliance: Conforms to RoHS requirements as noted in the product documentation.
• Frequency Coefficient Data: Frequency coefficients for rated ripple current provided in the UCS series (50 Hz: 0.40; 120 Hz: 0.50; 1 kHz: 0.80; 10 kHz: 0.90; ≥100 kHz: 1.00) to support frequency-dependent ripple calculations.

Typical Applications

• Power Supplies: Bulk smoothing and DC bus decoupling in high-voltage power-supply stages where 400 V rating and ripple handling are required.
• Ballasts: Filtering and energy storage in ballast circuits; designed to handle sustained ripple and elevated operating temperature.
• General Purpose Electronics: High-voltage electrolytic applications requiring polarized radial-lead capacitors with long life and predictable leakage and loss characteristics.

Unique Advantages

• High-voltage capability: 400 V rating enables use in higher-voltage power rails without series stacking.
• Robust ripple handling: Specified ripple currents at 120 Hz and 100 kHz support both low- and high-frequency filtering needs.
• Long high-temperature life: 10,000-hour endurance at +105°C supports reliability in thermally demanding installations.
• Compact radial-can form factor: φ12.5 × 50 mm size with 5 mm lead spacing offers a space-efficient solution for through-hole designs.
• Predictable electrical parameters: Documented tan δ and leakage current values aid circuit design and tolerance budgeting.
• RoHS compliant: Meets RoHS requirements for regulatory conformity in a wide range of products.

Why Choose UCS2G820MNY9?

UCS2G820MNY9 combines a high 400 V rating, substantial ripple-current capability, and extended endurance at +105°C in a compact radial-lead aluminum electrolytic package. These characteristics make it well suited to designers needing reliable bulk energy storage and filtering in high-voltage power supplies and ballast applications.

The part aligns with Nichicon’s UCS series specifications for miniature, high-ripple-current, high-reliability capacitors and is a practical choice for engineers prioritizing predictable loss, leakage and lifetime data when qualifying components for long-term use.

Request a quote or contact sales to discuss pricing, lead time and part availability for UCS2G820MNY9.