LNU2H472MTEJ

The LNU2H472MTEJ is an aluminum electrolytic capacitor in a screw-terminal (stud bolt) radial can package designed for high-voltage industrial power applications. It delivers 4.7 mF capacitance at a 500 V DC rating and is optimized for inverter power supplies, high-frequency regenerative circuits, and other applications that require compact, high-voltage energy storage.

Engineered for durable operation, this capacitor is rated for operation from −40°C to +105°C, provides high ripple-current capability, and is specified with a 5000-hour load life at 105°C when subjected to rated ripple current. The device is RoHS compliant.

Key Features

• Capacitance & Voltage — 4.7 mF capacitance rated at 500 V DC for high-voltage energy storage in compact form.
• High-temperature endurance — Specified for operation from −40°C to +105°C with a load life of 5000 hours at 105°C under rated ripple current.
• Ripple current capability — 13.9 A at 120 Hz and 19.46 A at 10 kHz to support heavy AC ripple and high-frequency currents.
• High-frequency and charge–discharge resilience — Designed to cope with high-speed charge–discharge cycles and high-frequency regenerative voltages.
• Mechanical & mounting — Stud bolt mount with screw terminals in a radial can package for secure, serviceable connections; nominal dimensions L: 12.5 × D: 9 cm and maximum seated height 4.921 in.
• Electrical stability & safety — Polarized construction with leakage current specified as not more than 3√(C·V) μA or 5 mA (whichever is smaller) after 5 minutes at 20°C; insulation resistance greater than 100 MΩ at DC 500 V between terminal and bracket and AC 2500 V proof between terminal and bracket for 1 minute.
• Tolerance — Capacitance tolerance ±20% (120 Hz, 20°C).
• Regulatory — Compliant to the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial inverter power supplies — Bulk energy storage and DC-link smoothing in inverter front ends where 500 V ratings and high ripple handling are required.
• AC servomotor regenerative circuits — Handles high-frequency regenerative voltages and rapid charge–discharge cycles encountered in servo drives.
• General inverter systems — Suitable for general-purpose inverter designs needing compact high-voltage capacitors with extended thermal endurance.

Unique Advantages

• High-voltage, compact form — 500 V rating in a smaller footprint compared to larger series, enabling space-efficient high-voltage designs.
• Long high-temperature life — 5000-hour endurance at 105°C under rated ripple current supports reliable operation in thermally demanding environments.
• Robust ripple and HF performance — Specified ripple currents at 120 Hz and 10 kHz make this part suitable for both low- and high-frequency power processing.
• Durable charge–discharge handling — Designed to cope with high-speed charge–discharge cycles typical of regenerative and dynamic power circuitry.
• Serviceable screw-terminal connection — Stud bolt mount and screw terminals provide secure, maintainable electrical connections for industrial installations.
• Regulatory compliance — RoHS compliant to support projects requiring restricted-substance conformity.

Why Choose LNU2H472MTEJ?

The LNU2H472MTEJ combines high-voltage capability, strong ripple-current handling, and extended high-temperature endurance in a compact screw-terminal aluminum electrolytic package. It is targeted at engineers designing industrial inverter power supplies, servo drive regenerative circuits, and other applications that demand reliable, serviceable high-voltage energy storage.

With defined insulation resistance and voltage-proof characteristics, a specified leakage current limit, and RoHS compliance, this capacitor offers verifiable electrical and environmental credentials for long-term deployment in industrial power systems.

If you would like a quote or additional technical details for integrating the LNU2H472MTEJ into your design, request a quote or contact sales to discuss part availability, ordering, and application-specific requirements.