LNU2H332MSEHBB

The LNU2H332MSEHBB is a screw‑terminal aluminum electrolytic capacitor designed for high‑voltage industrial applications. It is a 3300 µF (3.3 mF), 500 V polarized capacitor in a radial can with screw terminals, optimized for inverter circuitry and high‑frequency regenerative voltage use in AC servomotors and general inverters. The part combines high voltage rating, compact sizing relative to the LNT series, and long life performance for demanding power systems.

Key Features

• Capacitance & Voltage: 3300 µF nominal capacitance with a 500 V rated voltage (tolerance ±20%), enabling bulk energy storage for high‑voltage DC links.
• High Voltage Range: Series rated up to DC525 V; this specific part is rated at 500 V, supporting high‑voltage inverter and regenerative circuits.
• Thermal Performance & Lifetime: Rated for operation from −40 °C to +105 °C with a load life of 5000 hours at 105 °C under rated ripple current conditions.
• High Ripple Capability: Specified ripple currents of 10.9 A at 120 Hz and 15.26 A at 10 kHz, suitable for high‑frequency and high‑ripple environments.
• Robust Mechanical Design: Screw terminal, radial can package for secure, high‑current connections and straightforward mounting in industrial power assemblies.
• Reliability & Standards: Endurance, shelf life, and charge‑discharge endurance test conditions defined in the series datasheet; compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverters: Energy storage and smoothing in DC bus circuits of inverter power supplies used for motor drives and motion control.
• Regenerative Drive Systems: Handling high‑frequency regenerative voltages for AC servomotors and systems with frequent charge/discharge cycles.
• High‑Frequency Power Electronics: Bulk decoupling and ripple management in high‑speed charge/discharge and switching power topologies.
• General Purpose Power Supplies: Bulk capacitance for high‑voltage industrial power supplies where long life at elevated temperature is required.

Unique Advantages

• High Voltage Capability: Supports a rated voltage of 500 V and series ratings up to DC525 V, enabling use in higher‑voltage DC link applications.
• Compact for High Voltage: Designed as a smaller sized high‑voltage option compared with the LNT series, allowing tighter packaging in power assemblies.
• Designed for Harsh Thermal Conditions: Operates across −40 °C to +105 °C with a 5000‑hour load life at 105 °C, supporting long service life in hot environments.
• High Ripple Handling: Specified ripple currents at both low and high frequencies (10.9 A at 120 Hz, 15.26 A at 10 kHz) to address switching and regenerative power demands.
• Secure Screw‑Terminal Connections: Radial can with screw terminals for reliable mechanical and electrical connection in industrial installations.
• RoHS Compliant: Conforms to RoHS directives (2011/65/EU, (EU)2015/863) for restricted substances control.

Why Choose LNU2H332MSEHBB?

The LNU2H332MSEHBB is positioned for engineers building high‑voltage power systems that require substantial bulk capacitance, reliable high‑temperature performance, and robust ripple endurance. Its combination of 3300 µF capacitance, 500 V rating, screw‑terminal format, and specified ripple currents makes it suitable for inverter DC‑link, regenerative drive, and other industrial power applications where compact high‑voltage components are needed.

For designs that demand long life at elevated temperatures and dependable mechanical connections, this capacitor delivers a clearly specified performance envelope and RoHS compliance, helping reduce redesign risk and support sustained operation in industrial environments.

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