LNU2H822MSEJBB

The LNU2H822MSEJBB is an aluminum electrolytic capacitor in a screw-terminal radial can designed for high-voltage industrial power applications. It delivers 8.2 mF capacitance at a 500 V rating with operation to 105°C, making it suitable for inverter circuits and high-frequency regenerative systems.

Engineered for heavy-duty cycling and high ripple environments, this part supports rated voltages up to DC525 V and offers a 5000-hour load life at 105°C under rated ripple conditions. Its screw-terminal package simplifies robust high-current connections in power assemblies.

Key Features

• Capacitance & Voltage — 8.2 mF (8200 µF) nominal capacitance with a 500 V rated voltage; rated voltage range up to DC525 V.
• High-temperature endurance — Designed for operation from −40°C to +105°C with a load life of 5000 hours at 105°C when subjected to rated ripple current.
• High ripple-current capability — Supports 20.2 A at 120 Hz and 28.28 A at 10 kHz, enabling use in demanding power-conversion and regenerative circuits.
• Screw terminal, radial can package — Robust screw-terminal connections and radial can form factor for secure mounting and high-current wiring.
• Charge–discharge endurance — Specified to withstand high-speed charge–discharge loading and long-term charge–discharge cycling (50 million cycles at ΔV = rated voltage ± 0.3 V, 3 Hz) with capacitance and leakage within defined limits.
• Leakage and insulation — Leakage current specification: after 5 minutes at rated voltage, not more than 3√(C·V) µA or 5 mA (whichever is smaller); insulation resistance >100 MΩ at DC 500 V between terminal and bracket.
• Polarized design with ±20% tolerance — Polarized capacitor with capacitance tolerance of −20% to +20% (measured at 120 Hz, 20°C).
• RoHS compliant — Conforms to RoHS directives (2011/65/EU,(EU)2015/863).
• Compact footprint — Physical footprint L: 20.5 × D: 9 cm in a radial can with screw terminals for space-conscious power modules.

Typical Applications

• Industrial inverter power supplies — Serves as bulk and smoothing capacitance in inverter front-ends and DC link circuits where high voltage and temperature endurance are required.
• AC servomotor regenerative circuits — Handles high-frequency regenerative voltages and fast charge–discharge cycles found in motor drives.
• High-frequency power conversion — Supports power converters and regenerative inverters operating with elevated ripple currents at kHz switching frequencies.
• General industrial power modules — Provides energy storage and smoothing in industrial power supplies and DC bus systems requiring robust screw-terminal connections.

Unique Advantages

• High-voltage capability: Rated at 500 V with applicability up to DC525 V, enabling use in higher-voltage DC link and inverter designs.
• Designed for elevated temperatures: 105°C rating and 5000-hour load life at 105°C provide predictable long-term performance in hot power electronics environments.
• Superior ripple handling: Specified ripple current values at both low (120 Hz) and high (10 kHz) frequencies support a wide range of switching topologies and switching speeds.
• Durable screw-terminal connections: Screw terminals simplify high-current wiring and mechanical robustness in industrial assemblies.
• Endurance under cycling: Specified charge–discharge endurance and tight post-test limits for capacitance, tan δ, and leakage current help ensure reliability under repetitive dynamic loading.
• Regulatory compliance: RoHS compliance supports deployment in regulated industrial and commercial products.

Why Choose LNU2H822MSEJBB?

The LNU2H822MSEJBB balances high capacitance, elevated voltage rating, and thermal endurance in a screw-terminal radial can tailored for industrial power electronics. Its specified ripple-current performance at both 120 Hz and 10 kHz, combined with a 5000-hour life at 105°C and robust charge–discharge endurance, makes it well suited for inverter DC links, regenerative drives, and other demanding power-conversion roles.

Manufactured within the LNU series, this part is intended for engineers and procurement teams who need verifiable electrical limits, predictable aging under load, and rugged terminal connections for heavy-current systems.

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