LNU2W392MTEH

The LNU2W392MTEH is a screw-terminal aluminum electrolytic capacitor designed for industrial power electronics. It delivers 3.9 mF capacitance at a 450 V rating (part of a rated voltage range up to DC525 V) in a compact φ76.2×105 mm can with stud/bolt mounting.

Engineered for inverter and regenerative power applications, this capacitor targets industrial power supplies, AC servomotor drives and general inverter circuitry that require high-voltage capability, elevated ripple handling and long life at elevated temperature.

Key Features

• High Voltage Capability — Rated at 450 V with a rated voltage range up to DC525 V, enabling use in high-voltage inverter and regenerative circuits.
• Substantial Capacitance — 3.9 mF (3900 µF) nominal capacitance with ±20% tolerance (120 Hz, 20°C) for energy storage and smoothing in power systems.
• High Ripple Current Performance — Rated ripple current of 15.4 A at 120 Hz and 21.56 A at 10 kHz supports high-frequency switching and rapid charge–discharge cycles.
• Elevated Temperature Endurance — Designed for −40°C to +105°C operation with a load life of 5000 hours at 105°C under rated ripple current and DC bias.
• Screw Terminal / Stud Bolt Mount — Radial can with screw terminals and stud/bolt mounting (nominal bolt M5 for φ76.2) for secure mechanical and electrical connections in industrial assemblies.
• Robust Reliability Characteristics — Meets insulation resistance >100 MΩ at DC 500 V between terminal and bracket and withstands AC 2500 V for 1 minute between terminal and bracket.
• Charge–Discharge Endurance — Specified to endure 50 million charge–discharge cycles (ΔV = rated voltage ±0.3, 3 Hz) while meeting capacitance, tan δ and leakage current criteria.
• RoHS Compliant — Conforms to the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverters — Energy storage and DC-link smoothing for inverter circuitry in factory automation and motor drives.
• AC Servomotor Drives — High-frequency regenerative voltage buffering for servo systems and motion-control applications.
• Power Supplies — Bulk capacitance and ripple handling in high-voltage industrial power supplies and converters.

Unique Advantages

• High-voltage readiness: Rated voltage up to DC525 V and nominal 450 V part number allow deployment in higher-voltage DC-link systems.
• Compact high-voltage form factor: φ76.2×105 mm can provides large capacitance while minimizing footprint compared with larger series alternatives.
• High ripple tolerance at multiple frequencies: Specified ripple current at 120 Hz and at 10 kHz supports both low- and high-frequency switching topologies.
• Long-term thermal reliability: 5000-hour load life at 105°C under rated conditions supports sustained operation in demanding thermal environments.
• Secure mechanical integration: Screw terminal and M5 stud bolt mount simplify installation and ensure reliable electrical connections in industrial assemblies.
• Proven endurance for cycling: Specified to meet performance criteria after extensive charge–discharge cycling, useful in regenerative and frequent-switching scenarios.

Why Choose LNU2W392MTEH?

LNU2W392MTEH is positioned for industrial power designs that require a high-voltage, high-capacitance solution in a screw-terminal can with proven thermal and ripple endurance. Its combination of 3.9 mF capacitance, 450 V rating (up to DC525 V range), high ripple current capability and 5000-hour life at 105°C makes it well suited to inverter, servo and converter applications where durability and reliable energy buffering are required.

Engineers and procurement teams will find this capacitor appropriate for systems that demand long-term robustness, secure mechanical mounting and compliance with RoHS environmental requirements.

Request a quote or submit an inquiry to our sales team to discuss pricing, availability and any application-specific questions about LNU2W392MTEH.