LNC2G392MSEG

The LNC2G392MSEG is a screw-terminal aluminum electrolytic capacitor from Nichicon’s LNC series, rated 3.9 mF (3900 µF) at 400 V. It combines high ripple-current capability with a compact footprint and is designed for industrial power electronics applications such as inverter circuits and high-frequency regenerative circuits.

Key value propositions include high ripple current handling at both low and high frequencies, long operational life under rated ripple loading, and a temperature range suitable for industrial environments.

Key Features

• Electrical Performance — 3.9 mF capacitance at 400 V with ±20% tolerance; tanδ = 0.2 (measured at 20°C, 120 Hz) and measured leakage current of 3740 µA.
• High Ripple Current Capability — Low-frequency ripple current 16.5 A (120 Hz) and high-frequency ripple current 23.1 A (100 kHz), supporting heavy ripple and rapid charge–discharge cycles.
• Robust Endurance — Rated life of 5000 hours when subjected to DC bias plus rated ripple current at 85°C, meeting the LNC series endurance specifications.
• Mechanical & Mounting — Screw terminal radial can package for secure connections in power assemblies; size specified as φ63.5×100L (D: 6.35 cm × L: 10 cm).
• Operating Range — Designed for −40°C to +85°C ambient operation, consistent with industrial temperature requirements.
• Packaging & Status — Supplied in cardboard packing and currently in mass production.
• Regulatory — RoHS compliant.

Typical Applications

• Industrial Inverter Power Supplies — Suited for smoothing and energy buffering in inverter circuitry where sustained ripple and endurance are required.
• AC Servomotor Regenerative Circuits — Designed for high-frequency regenerative voltage use in motor control systems.
• High-Speed Charge–Discharge Systems — Handles rapid charge–discharge loading scenarios common in power electronics and drive systems.
• General Power Electronics — Useful where high ripple current capability and long life at elevated temperatures are necessary.

Unique Advantages

• High ripple current handling: 16.5 A at 120 Hz and 23.1 A at 100 kHz enable reliable operation under heavy AC ripple and high-frequency loading.
• Long operational life under load: 5000 hours endurance at 85°C with rated ripple current supports sustained industrial use.
• Compact screw-terminal package: φ63.5×100L radial can with screw terminals offers secure electrical connections while minimizing board-level footprint for its class.
• Wide operating temperature: −40°C to +85°C supports a broad range of industrial environments.
• Predictable electrical characteristics: Specified tanδ and measured leakage current provide clear parameters for design and sizing.
• RoHS compliance and production readiness: Environmentally compliant and available in mass production with cardboard packing.

Why Choose LNC2G392MSEG?

The LNC2G392MSEG positions itself as a durable, high-ripple, screw-terminal aluminum electrolytic capacitor for demanding industrial power-electronics applications. With a 3.9 mF capacitance at 400 V, defined loss angle and leakage limits, and a 5000-hour endurance rating at 85°C under rated ripple, it is tailored for inverter, regenerative and high-frequency charge–discharge circuits that require predictable performance and long service life.

This part is well suited to engineers and procurement teams specifying capacitors for industrial drives, power supplies, and motor-control systems where secure screw-terminal mounting, high ripple capability, and RoHS compliance are required.

Request a quote or submit a specification/volume inquiry to receive pricing, lead-time and availability information for the LNC2G392MSEG.