LNUN7102MSEFBB

The LNUN7102MSEFBB is a screw-terminal aluminum electrolytic capacitor designed for high-voltage industrial power applications. It delivers 1000 µF capacitance at a rated DC voltage of 525 V in a compact, radial can with screw terminals for robust electrical and mechanical connections.

Engineered for inverter circuitry and high-frequency regenerative loads, this capacitor supports high-speed charge–discharge conditions and continuous operation up to 105°C with a rated load life of 5000 hours at full ripple current.

Key Features

• Electrical Performance: 1000 µF (1 mF) capacitance with ±20% tolerance, polarized construction and rated for DC 525 V.
• High Ripple Capability: Rated ripple currents of 5.4 A at 120 Hz and 7.56 A at 10 kHz enable use under both low- and high-frequency ripple conditions.
• Thermal and Lifetime: Operates across –40°C to +105°C with a load life of 5000 hours at 105°C when subjected to rated ripple current and DC bias.
• Charge–Discharge Endurance: Designed to cope with high-speed charge–discharge loading; datasheet specifies endurance for repetitive charge–discharge cycles.
• Robust Package: Radial can with screw terminals for secure mounting and high-current connections; nominal dimensions L: 9.5 cm × D: 5.1 cm and Height seated max 3.74 inch.
• Safety and Insulation: Insulation resistance greater than 100 MΩ at DC 500 V and voltage-proof performance (AC 2500 V, 1 minute) between terminal and bracket as specified in the datasheet.
• Environmental Compliance: RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverters: Bulk energy storage and smoothing in inverter power stages where high DC voltage and stable capacitance are required.
• AC Servomotor Drives: High-frequency regenerative voltage support and charge–discharge handling in servo drive regenerative circuits.
• High-Frequency Regenerative Systems: Use in systems with rapid charge–discharge cycles and elevated ripple frequency demands, leveraging the high ripple current ratings.
• General Industrial Power Supplies: Filtering and energy buffering in industrial power supplies subjected to sustained thermal and electrical stress (–40°C to 105°C operation).

Unique Advantages

• High-Voltage Capability in a Compact Can: 525 V rating combined with a smaller footprint compared to larger high-voltage series, enabling space savings in dense power assemblies.
• Designed for Continuous High-Temperature Operation: 5000-hour load life at 105°C supports long-term reliability in hot industrial environments.
• High-Frequency Ripple Handling: Specified ripple current at both 120 Hz and 10 kHz makes the part suitable for a range of switching and regenerative applications.
• Durable Screw-Terminal Connection: Screw terminals provide secure, low-resistance connections for high-current installations and simplify field wiring.
• Proven Endurance to Charge–Discharge Cycling: Datasheet endurance characteristics address repeated charge–discharge behavior, supporting demanding regenerative and energy-storage use cases.
• Verified Electrical Isolation: High insulation resistance and AC voltage-proof test criteria between terminal and bracket add confidence for high-voltage designs.

Why Choose LNUN7102MSEFBB?

LNUN7102MSEFBB is positioned for industrial power engineers who need a high-voltage, high-reliability electrolytic capacitor that balances compact size with durable performance. Its 525 V rating, 1000 µF capacitance, elevated ripple current capability, and screw-terminal packaging make it well suited to inverter circuitry, servo drive regenerative circuits, and other demanding power applications.

The capacitor’s rated operation from –40°C to +105°C, 5000-hour load life at maximum temperature, and documented charge–discharge endurance offer long-term robustness for designs that experience sustained thermal and electrical stress.

Request a quote or contact sales to discuss LNUN7102MSEFBB for your next high-voltage power design and to obtain pricing, availability, and application support tailored to your requirements.