UCP2G121MHD

The UCP2G121MHD is a high-voltage, miniature aluminum electrolytic capacitor in Nichicon’s UCP series, delivered in a radial-lead can for easy through-hole mounting. It provides 120 µF capacitance at a 400 V rating with a long-life specification of 10,000 hours at 105°C, making it suitable for general-purpose high-voltage and high-temperature electronic designs.

This part combines compact dimensions (φ16 × 35.5 mm) and 7.5 mm lead spacing with specified ripple handling and controlled dissipation, offering a balanced option for engineers specifying reliable bulk capacitance in constrained assemblies.

Key Features

• Capacitance & Voltage: 120 µF nominal capacitance with a 400 V rated voltage and ±20% tolerance (at 120 Hz, 20°C), providing stable bulk storage for high-voltage circuits.
• High-Temperature Endurance: Rated for 10,000 hours at 105°C under DC bias plus rated ripple current, supporting prolonged operation in elevated ambient temperatures.
• Radial Lead Package: φ16 × 35.5 mm aluminum can with 7.5 mm lead spacing (±0.5 mm tolerance) for straightforward through-hole mounting and mechanical stability.
• Ripple Current Capability: Low-frequency ripple handling of 800 mA at 120 Hz and high-frequency ripple capability of 1.2 A at 10 kHz, enabling effective smoothing in both low- and high-frequency domains.
• Leakage & Dissipation: Specified leakage current of 2020 µA (measured at 20°C after 1 minute) and tan δ (DF) of 0.24 at 120 Hz, 20°C for predictable leakage and loss characteristics.
• Operating Temperature Range: −40°C to +105°C to support a wide range of environmental conditions.
• Packaging & Availability: Supplied in bulk (no terminal forming) or bag packing; part is in mass production from Nichicon.

Typical Applications

• General Purpose Electronics: Use where dependable high-voltage capacitance is required within general-purpose equipment.
• High-Voltage Power Modules: Suitable for DC bus smoothing or bulk energy storage in 400 V system-level designs that require compact, radial-lead components.
• High-Temperature Environments: For assemblies expected to operate at elevated temperatures, leveraging the 10,000-hour endurance at 105°C.

Unique Advantages

• Long Rated Life: 10,000 hours at 105°C ensures predictable aging and endurance for designs requiring extended field life.
• High Voltage in a Compact Can: 400 V rating in a φ16 × 35.5 mm package supports space-constrained, high-voltage designs.
• Balanced Ripple Performance: Specified ripple currents for both 120 Hz and 10 kHz frequencies enable use across a range of power-conditioning scenarios.
• Controlled Dissipation and Leakage: tan δ of 0.24 and a defined leakage current provide measurable loss and leakage behavior for reliable circuit design and margin planning.
• Through-Hole Mounting Simplicity: Radial lead format with 7.5 mm lead spacing simplifies PCB layout and mechanical retention for assembly processes that use through-hole components.

Why Choose UCP2G121MHD?

The UCP2G121MHD positions itself as a practical choice for engineers needing a high-voltage aluminum electrolytic capacitor with long-term thermal endurance and predictable electrical characteristics. Its combination of 400 V rating, 120 µF capacitance, defined loss and leakage parameters, and a 10,000-hour endurance at 105°C makes it well suited to robust general-purpose and high-voltage applications where space is limited.

Designed and manufactured as part of Nichicon’s UCP series, this radial-lead capacitor is offered in production quantities with standard bulk or bag packing, providing a component option that balances electrical performance, mounting convenience, and lifecycle consistency for engineering and procurement teams.

Request a quote or contact sales to check pricing and availability for UCP2G121MHD and to discuss volume options or lead-time requirements.