LNU2G103MTEJ

The LNU2G103MTEJ is a high-voltage aluminum electrolytic capacitor in a screw-terminal radial can package, designed for industrial power applications. It provides 10,000 µF capacitance at a 400 V DC rating and is built for continuous operation up to 105 °C.

This stud-bolt mount capacitor is targeted at inverter and regenerative power circuits where high ripple capability, robust terminal connections and long operational life are required.

Key Features

• Capacitance & Voltage — 10,000 µF nominal capacitance with a 400 V rated DC voltage and ±20% tolerance.
• High-temperature operation — Rated for operation from −40 °C to +105 °C with a load life of 5,000 hours at 105 °C under rated ripple conditions.
• High ripple capability — Specified ripple current: 25.9 A at 120 Hz and 36.26 A at 100 kHz, enabling use in high-current power stages and switching environments.
• Rugged mechanical package — Radial can with screw terminals and stud-bolt mount for reliable electrical and mechanical connection in industrial assemblies.
• Endurance and charge–discharge robustness — Series-level endurance testing includes 50 million charge–discharge cycles (ΔV ≈ rated voltage ±0.3, 3 Hz) with defined limits for capacitance change, dissipation factor and leakage current.
• Physical dimensions & packing — Body φ90 × 145 mm length (L: 14.5 × D: 9 cm) and supplied in cardboard packing for mass production handling.
• Regulatory status — RoHS compliant.

Typical Applications

• Industrial inverter power supplies — Energy storage and smoothing for inverter DC bus capacitors in motor drive and power-conversion systems.
• AC servomotor regenerative circuits — Handles high-frequency regenerative voltages and fast charge–discharge cycles commonly found in servo drive regenerative loops.
• High-frequency switching power supplies — Suitable for high ripple and high-frequency loading in switching converter DC link and filtering stages.
• General-purpose high-voltage storage — Robust polarized capacitor for designs requiring 400 V DC energy storage with long-term thermal endurance.

Unique Advantages

• High-voltage capability: 400 V rating supports demanding DC bus and high-voltage power architectures.
• Thermal endurance: Rated to 105 °C with a 5,000 hour load-life rating, enabling sustained operation in elevated-temperature environments.
• High ripple performance: Explicit ripple current ratings at both 120 Hz and 100 kHz support use across low- and high-frequency power stages.
• Secure screw-terminal mounting: Stud-bolt mount and screw terminals provide strong, low-impedance connections for high-current installations.
• Durability under cycling: Series-level validation for tens of millions of charge–discharge cycles provides confidence in applications with rapid charge transfer.
• Production-ready packaging: Cardboard packing and mass-production availability simplify procurement and assembly planning.

Why Choose LNU2G103MTEJ?

The LNU2G103MTEJ combines high capacitance and 400 V rating with robust screw-terminal mounting and validated thermal and cycling endurance, making it well-suited for industrial inverter, servo regenerative, and high-frequency power supply designs. Its defined ripple current ratings and 5,000 hour life at 105 °C deliver measurable performance for engineers specifying DC link and energy-storage capacitors.

This capacitor is a practical choice for designers and procurement teams who need a polarized aluminum electrolytic solution offering high-voltage capability, reliable mechanical termination, and series-proven endurance backed by RoHS compliance.

Request a quote or submit an inquiry for pricing and lead-time information to evaluate LNU2G103MTEJ for your next high-voltage power design.