LNC2V123MSEH

The LNC2V123MSEH is a screw-terminal aluminum electrolytic capacitor from Nichicon’s LNC series, specified at 12,000 µF and 350 V with a polarized radial can and screw terminals for robust electrical and mechanical connections. It is designed for industrial power electronics where high ripple handling and long operational life at elevated temperatures are required.

Typical use cases include inverter circuitry, high-frequency regenerative voltage circuits for AC servomotors, and other industrial power-supply applications. Key value propositions include high ripple-current capability, a 5,000-hour rated life at 85°C, and a compact form factor for its performance class.

Key Features

• Capacitance & Voltage — Rated at 12,000 µF and 350 V, with capacitance tolerance ±20% (measured at 120 Hz, 20°C).
• High Ripple Current — Rated ripple current of 28.2 A at 120 Hz and 39.48 A at 100 kHz to support high-frequency and power-regenerative applications.
• Operating Temperature & Life — Rated for −40°C to +85°C with a load life of 5,000 hours when ripple current is applied at 85°C.
• Mounting & Package — Screw-terminal radial can package designed for secure, low-impedance connections in power assemblies.
• Electrical Reliability — Leakage current specification after 5 minutes: not more than 3√(V) µA or 5 mA (whichever is smaller) at 20°C; insulation resistance >100 MΩ at DC 500 V between terminal and bracket; dielectric withstand AC 2500 V for 1 minute between terminal and bracket.
• Endurance & Charge-Discharge — Endurance specifications: capacitance change within ±20%, tan δ ≤ 200% of initial, and leakage current ≤ initial specified values after 5,000 hours at 85°C; charge–discharge endurance testable for high-cycle applications.
• Size & Packaging — Compact footprint for its rating: diameter φ76.2 mm and length 155 mm (L: 15.5 × D: 7.62 cm); supplied in cardboard packing for mass production handling.
• Regulatory — Compliant with RoHS (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverters and Motor Drives — Bulk energy storage and smoothing in inverter supplies and high-frequency regenerative circuits for AC servomotors.
• Industrial Power Supplies — Filtering and ripple absorption where sustained ripple current and long life at elevated temperature are required.
• High-Speed Charge–Discharge Systems — Supports applications that demand repeated high-speed charge/discharge cycles with rated endurance.
• General Purpose Power Electronics — Rugged screw-terminal mounting and high-capacitance make it suited to a range of industrial power applications.

Unique Advantages

• High ripple-current capability: Supports 28.2 A (120 Hz) and 39.48 A (100 kHz), enabling reliable performance in high-frequency and regenerative circuits.
• Proven endurance at elevated temperature: Rated 5,000 hours at 85°C under ripple current, providing predictable life for industrial applications.
• Robust screw-terminal mounting: Facilitates secure electrical and mechanical connections suited to power assemblies and field serviceability.
• Compact footprint for rating: φ76.2 × 155 mm size delivers high capacitance in a space-efficient package for chassis-mounted power designs.
• Clear electrical limits and reliability metrics: Defined leakage, insulation resistance, and voltage proof specs allow straightforward design and qualification.
• RoHS compliant: Meets current directive requirements for restricted substances.

Why Choose LNC2V123MSEH?

The LNC2V123MSEH combines high capacitance (12,000 µF) and a 350 V rating with substantial ripple-current capability and a 5,000-hour life at 85°C, making it a practical choice for engineers designing industrial power supplies, inverters, and regenerative motor drive systems. Its screw-terminal radial can package provides mechanically secure connections and easy integration into power assemblies.

This part is suited for designs that require predictable endurance and clear electrical limits—leakage current, insulation resistance, and voltage-proof specifications are provided to support validation and long-term reliability planning. RoHS compliance further supports regulatory requirements for industrial deployments.

For pricing, availability, or to request a quote for LNC2V123MSEH, please submit your inquiry to request product pricing and lead-time information from our sales team.