LNU2H332MTEH

The LNU2H332MTEH is a screw-terminal aluminum electrolytic capacitor designed for high-voltage industrial power applications. It provides 3300 µF capacitance at a 500 V rating and is built for applications requiring high-frequency regenerative handling and fast charge–discharge cycles.

Engineered for inverter circuitry and industrial power supplies, this capacitor supports a rated voltage range up to DC 525 V and a load life of 5000 hours at 105°C, offering a combination of high-voltage capability, compact size, and thermal endurance.

Key Features

• Capacitance & Voltage — 3300 µF nominal capacitance with a rated voltage of 500 V; rated voltage range extends up to DC 525 V.
• High-Temperature Endurance — Designed for continuous operation from −40°C to +105°C with a specified load life of 5000 hours at 105°C under applied ripple current.
• High Ripple & High-Frequency Performance — Ripple current capability of 10.9 A at 120 Hz and 15.26 A at 10 kHz, suitable for demanding ripple and high-frequency regenerative environments.
• Mounting & Package — Stud bolt (screw terminal) mount in a radial can package for secure, high-current connections and robust mechanical attachment.
• Electrical Reliability — Leakage-current specification (after 5 minutes at rated voltage) of no more than 3√CV µA or 5 mA (whichever is smaller); insulation resistance greater than 100 MΩ at DC 500 V between terminal and bracket; voltage proof AC 2500 V for 1 minute between terminal and bracket.
• Durability & Charge–Discharge Endurance — Endurance criteria: capacitance change within ±20%, tan δ ≤ 200% of initial, and leakage current not exceeding initial specified value after 5000 hours at 105°C; designed to withstand 50 million charge–discharge cycles (3 Hz cycle, ΔV = rated voltage ±0.3).
• Physical Size — Compact high-voltage form factor with overall dimensions L: 13 cm × D: 7.62 cm, suitable for space-conscious industrial power assemblies.
• RoHS Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Power Supplies (Inverter Circuitry) — Energy storage and smoothing in inverter front ends and DC link stages for industrial drives.
• AC Servomotor Regeneration — Handling high-frequency regenerative voltage and rapid charge–discharge events in servo and motion-control systems.
• General Inverter Systems — Bulk capacitance and ripple handling in general-purpose inverters and motor-control power stages.
• High-Speed Charge–Discharge Circuits — Components requiring robust performance under rapid cycling and frequent energy transfers.

Unique Advantages

• High-Voltage Capability: 500 V rating (up to DC 525 V range) meets demanding DC-link requirements in industrial power electronics.
• Compact High-Voltage Form Factor: Smaller size compared with legacy high-voltage LNT series provides space savings in high-voltage designs.
• Designed for High-Frequency and High-Ripple Duty: Specified ripple currents at 120 Hz and 10 kHz enable stable operation in both low- and high-frequency regenerative environments.
• Long-Term Thermal Endurance: 5000-hour load life at 105°C supports sustained operation in elevated-temperature installations.
• Robust Electrical Safety Margins: High insulation resistance and a 2500 V AC voltage proof rating between terminal and bracket support reliable isolation and safety verification.
• Regenerative Charge–Discharge Durability: Verified performance after extensive charge–discharge cycling (50 million cycles) helps maintain capacitance and leakage specifications in demanding applications.

Why Choose LNU2H332MTEH?

The LNU2H332MTEH balances high-voltage performance, compact sizing, and thermal endurance for industrial inverter and regenerative power applications. Its screw-terminal package and robust electrical specifications make it suitable for engineers seeking dependable bulk capacitance and high ripple capability in constrained layouts.

This capacitor is aimed at designers of industrial power supplies, motor drives, and inverter systems who require verified endurance at elevated temperatures, high-frequency ripple handling, and regulatory compliance for lead-restricted materials.

Request a quote or contact sales to discuss availability, lead times, and pricing for the LNU2H332MTEH.