LNC2W392MTEG

The LNC2W392MTEG is a screw-terminal aluminum electrolytic capacitor in Nichicon’s LNC series designed for high-ripple, high-frequency power applications. It delivers 3.9 mF capacitance at 450 V in a stud/bolt mount package optimized for industrial power supplies and inverter circuitry.

Engineered for durability and compactness, this capacitor offers a 5000-hour load life at 85°C, elevated ripple-current capability, and a temperature range of −40°C to +85°C for rugged operation in industrial environments.

Key Features

• Capacitance & Voltage — 3.9 mF nominal capacitance rated at 450 V for energy storage and smoothing in high-voltage power stages.
• High Ripple Current — Designed for elevated ripple handling with 17.3 A at 120 Hz and 24.22 A at 100 kHz to support high-frequency charge–discharge and regenerative loads.
• Load Life & Endurance — 5000 hours endurance when subjected to rated DC bias plus ripple current at 85°C, supporting long-term operation under continuous load.
• Package & Mounting — Stud bolt mount, radial can with screw terminals for secure mechanical and electrical connection in industrial assemblies.
• Operating Temperature — −40°C to +85°C operating range for compatibility with a wide range of industrial ambient conditions.
• Electrical Characteristics — Capacitance tolerance ±20%, tangent of loss angle (tan δ) 0.2, and measured leakage current 3970 µA (per product specification).
• Size & Packaging — Compact form factor: φ63.5 × 135 mm (L: 13.5 cm × D: 6.35 cm) supplied in cardboard packing for protection during storage and transport.
• Regulatory — RoHS compliant.

Typical Applications

• Industrial Power Supplies — Bulk energy storage and smoothing in inverter and high-voltage DC bus circuits where sustained ripple handling and long life are required.
• AC Servo / Motor Drives — Supports high-frequency regenerative voltage and rapid charge–discharge cycles typical of servo motor inverters.
• General Inverter Systems — Energy buffering and ripple suppression in inverters for industrial automation and power-conversion equipment.

Unique Advantages

• High ripple-current capability: Specified ripple currents at both low (120 Hz) and high (100 kHz) frequencies enable reliable performance in modern high-frequency power designs.
• Extended operational life: 5000-hour endurance at 85°C under rated conditions gives predictable long-term behavior for continuous industrial service.
• Robust mechanical connection: Screw-terminal/stud bolt mounting provides secure attachment and low-resistance electrical contact for high-current paths.
• Wide ambient tolerance: −40°C to +85°C rating allows deployment across a broad range of industrial environments.
• Clear electrical specifications: Defined leakage current, tan δ, and capacitance tolerance enable precise design margining and validation.
• RoHS compliant: Meets applicable lead-free requirements for environmental and regulatory compatibility.

Why Choose LNC2W392MTEG?

The LNC2W392MTEG is positioned for engineers designing industrial power conversion systems that demand high ripple handling, durable service life, and reliable screw-terminal mounting. Its combination of 3.9 mF at 450 V, specified ripple currents at both 120 Hz and 100 kHz, and 5000-hour endurance at 85°C makes it suitable for inverter, regenerative, and high-frequency smoothing applications where predictable electrical behavior and mechanical robustness are required.

This capacitor is a practical choice for procurement and design teams focused on long-term performance and ease of integration into stud-mounted power assemblies, offering clear datasheet-backed specifications to support engineering validation and system-level reliability planning.

Request a quote or submit a technical inquiry for the LNC2W392MTEG to obtain pricing, lead-time, and application support documentation.