LNU2H182MSEHBN

The LNU2H182MSEHBN is a high-voltage aluminum electrolytic capacitor in a screw-terminal, radial can package designed for industrial power electronics. It delivers 1800 µF capacitance at a 500 V rating with a compact footprint compared with larger LNT-class parts, targeting inverter circuitry and high-frequency regenerative applications.

Engineered for harsh operating conditions, the capacitor supports operation from −40 °C to +105 °C, a rated load life of 5000 hours at 105 °C under rated ripple current, and is RoHS compliant—making it suitable for industrial power supplies, AC servomotor regenerative circuits, and general inverter systems.

Key Features

• Capacitance & Voltage — 1.8 mF (1800 µF) nominal capacitance with a 500 V rated voltage; series rated voltage range extends up to DC 525 V.
• High-temperature Endurance — Designed for 5000 hours of load life at 105 °C when subjected to rated ripple current, supporting long-term operation in hot environments.
• Ripple Current Capability — Specified ripple handling of 7.4 A at 120 Hz and 10.36 A at 10 kHz, enabling use with both low- and high-frequency power stages.
• Charge–Discharge Robustness — Series datasheet specifies endurance under high-speed charge–discharge loading (50 million cycles at defined conditions), suitable for frequent regenerative events.
• Polarized Screw-Terminal Package — Radial can with screw terminals provides secure, low-resistance connections for industrial power wiring and bus applications.
• Wide Operating Range — Rated for −40 °C to +105 °C operating temperature, with insulation resistance and voltage proof characteristics validated in the datasheet.
• Compact Physical Size — Smaller sized than equivalent LNT series parts while maintaining high-voltage capability; package dimensions include L: 7 cm × D: 7.62 cm and a maximum seated height of 2.756 inch.
• Regulatory Compliance — Compliant with RoHS directives (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverters — Bulk energy storage and smoothing for inverter DC link circuits where 500 V class capacitors are required.
• AC Servomotor Regenerative Circuits — Handles high-frequency regenerative voltage and repeated charge–discharge cycles in motor drive systems.
• High-Frequency Power Supplies — Supports switching supplies and converters operating at both low and high ripple frequencies with specified ripple current ratings.
• General Power Electronics — Suitable for industrial power supplies and other systems requiring robust high-voltage capacitors with screw-terminal connections.

Unique Advantages

• High-voltage capability: 500 V rating (series up to DC 525 V) enables use in elevated-voltage DC link and bus applications.
• Designed for long life at elevated temperature: 5000-hour load life at 105 °C under rated ripple current helps ensure reliable service in hot industrial environments.
• High ripple tolerance across frequencies: Separate ripple current specifications for 120 Hz and 10 kHz give designers clear performance expectations for both low- and high-frequency operation.
• Screw-terminal reliability: Robust radial can with screw terminals simplifies secure, low-inductance connections for heavy-current power systems.
• Engineered for frequent charge–discharge: Series-level endurance for high-speed charge–discharge cycles supports applications with frequent regenerative events.
• RoHS compliant: Conforms to relevant RoHS directives, supporting regulatory compliance in industrial products.

Why Choose LNU2H182MSEHBN?

The LNU2H182MSEHBN combines high-voltage performance, compact packaging, and robust thermal endurance to meet the demands of industrial power electronics. Its 1800 µF capacitance at 500 V, rated ripple current handling, and 5000-hour life at 105 °C make it well suited for inverter DC link, regenerative braking, and high-frequency power supply designs that require dependable energy storage under continuous stress.

Designed as part of Nichicon’s LNU series, this screw-terminal aluminum electrolytic capacitor offers clear, datasheet-backed specs for engineers and procurement teams seeking a high-voltage, long-life capacitor for industrial applications.

If you would like pricing or availability for LNU2H182MSEHBN, request a quote or submit a specification inquiry to evaluate this capacitor for your design needs.