LNU2H122MSEF

The LNU2H122MSEF is a screw‑terminal aluminum electrolytic capacitor designed for industrial power electronics. It delivers 1.2 mF capacitance at a 500 V DC rating in a radial can with robust screw terminals for secure connections.

Engineered for inverter circuitry and high‑frequency regenerative applications, the LNU2H122MSEF supports heavy ripple loading and high‑speed charge–discharge cycles while operating across a −40°C to +105°C temperature range and offering a 5000‑hour life at 105°C.

Key Features

• Electrical Performance 1.2 mF capacitance with ±20% tolerance and a 500 V rated voltage; polarized design for DC energy storage and filtering.
• High Ripple Capability Supports 5.7 A ripple current at 120 Hz and 7.98 A at 100 kHz, enabling use in both low‑ and high‑frequency power stages.
• Thermal Endurance Rated for continuous operation from −40°C to +105°C with a specified load life of 5000 hours at 105°C under rated ripple conditions.
• Robust Screw‑Terminal Package Radial can with screw terminals for secure, serviceable connections; compatible with M5 nominal bolts for the 51 mm diameter variant.
• Compact High‑Voltage Design Series design delivers high voltage capability in a smaller footprint than the LNT series, supporting space‑constrained industrial layouts. Dimensions: L 11.5 × D 5.1 cm.
• Reliability and Safety Screening Endurance, shelf‑life, and charge–discharge endurance tests per datasheet criteria with specified limits for capacitance change, tan δ, and leakage current after stress.
• Regulatory Compliance RoHS compliant (2011/65/EU, (EU)2015/863); marked with white print on a black sleeve for clear identification.

Typical Applications

• Industrial Power Supplies — Bulk energy storage and smoothing in high‑voltage power supplies used for industrial equipment.
• Inverter and Motor Drive Circuits — DC link and regenerative energy buffering for general inverters and AC servomotor drives.
• High‑Frequency Regenerative Systems — Handles high‑speed charge–discharge and high‑frequency ripple in regenerative braking and power conversion circuits.
• Charge–Discharge Cycling — Suitable where repeated high‑rate charge/discharge cycles are required; tested for endurance over millions of cycles per datasheet criteria.

Unique Advantages

• High Voltage Handling: 500 V rating enables use in high‑voltage DC link and power conversion applications.
• Elevated‑Temperature Reliability: 5000‑hour life at 105°C under rated ripple conditions supports long‑term operation in hot industrial environments.
• Wide Ripple Frequency Support: Specified ripple current at both 120 Hz and 100 kHz makes the part suitable across a range of switching frequencies.
• Serviceable Screw Terminals: Robust screw mounting simplifies assembly, maintenance, and replacement in fielded equipment.
• Space‑Efficient High‑Voltage Option: Smaller footprint compared to LNT series alternatives, helping reduce board or chassis space for high‑voltage capacitance.
• RoHS Compliance: Meets RoHS requirements for environmental and regulatory compatibility.

Why Choose LNU2H122MSEF?

The LNU2H122MSEF positions itself as a practical high‑voltage energy storage solution for industrial and inverter applications that require sustained performance at elevated temperatures. With a 500 V rating, substantial ripple current capability, and a 5000‑hour life at 105°C, it addresses the reliability and thermal demands of power conversion systems.

This screw‑terminal, polarized aluminum electrolytic capacitor is suited to engineers specifying DC link, regenerative, and high‑frequency buffering functions where serviceable connections and a compact high‑voltage footprint are important. Its RoHS compliance and datasheet‑specified endurance criteria provide verifiable attributes for long‑term deployment.

Request a quote or contact sales for pricing, availability, and support to evaluate LNU2H122MSEF for your designs.