LNU2H332MTEG

The LNU2H332MTEG is a high-voltage aluminum electrolytic capacitor in a screw‑terminal, radial can package designed for industrial power electronics. It provides 3.3 mF (3300 µF) capacitance at 500 V DC with a rated operating range up to DC 525 V and a temperature rating to +105 °C.

Engineered for inverter and regenerative power applications, this Nichicon LNU series unit addresses high-frequency ripple, rapid charge–discharge loading and extended high‑temperature life for demanding industrial power supplies and motor drive systems.

Key Features

• Capacitance & Voltage: 3.3 mF (3300 µF) nominal capacitance with a rated voltage of 500 V and a rated voltage range up to DC 525 V.
• High‑temperature endurance: Designed for operation from −40 °C to +105 °C with a load life of 5000 hours at 105 °C when subjected to rated ripple current.
• Ripple current capability: 10.9 A at 120 Hz and 15.26 A at 10 kHz, enabling effective smoothing and energy handling in high‑frequency power circuits.
• Package & mounting: Screw terminal radial can with stud/bolt mount configuration for robust electrical and mechanical connections in industrial assemblies.
• Charge–discharge endurance: Specified to withstand high‑speed charge–discharge loading and endurance testing (series charge–discharge qualification detailed in datasheet).
• Reliability & safety characteristics: Insulation resistance >100 MΩ at DC 500 V between terminal and bracket; withstands AC 2500 V for 1 minute between terminal and bracket as a voltage proof check.
• Leakage current specification: After 5 minutes at rated voltage and 20 °C, leakage current is ≤ 3√(C·V) µA or 5 mA, whichever is smaller.
• Construction & polarity: Polarized aluminum electrolytic design in a compact form factor (size: L 16.5 × D 6.35 cm) with a maximum seated height of 6.496 inches.
• Compliance: RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial power supplies (inverter circuitry): Bulk and smoothing capacitance for inverter DC links and industrial power conversion systems.
• AC servomotor regenerative circuits: Handles high‑frequency regenerative voltages in motor drives and servo systems.
• General inverter systems: Energy buffering and ripple suppression in general-purpose inverters and drive electronics.
• High‑speed charge/discharge circuits: Designed to cope with rapid charge/discharge loading found in high‑frequency power electronics.

Unique Advantages

• High‑voltage capability in a compact design: Rated up to 525 V DC, providing high energy density while maintaining a smaller footprint compared with alternative series.
• Extended high‑temperature life: 5000 hours at 105 °C under rated ripple current supports long service life in hot operating environments.
• Strong ripple current performance: Measured ripple current values at 120 Hz and 10 kHz enable effective smoothing across low and high frequency ranges.
• Engineered for regenerative and fast switching loads: Built to withstand high‑speed charge–discharge cycles common in inverter and regenerative applications.
• Robust insulation and voltage proof: High insulation resistance and AC voltage proof testing between terminal and bracket increase system safety margins.
• RoHS compliant: Manufacture complies with RoHS directives (2011/65/EU, (EU)2015/863) for restricted substances.

Why Choose LNU2H332MTEG?

The LNU2H332MTEG from Nichicon’s LNU series delivers a balance of high voltage, substantial capacitance and high‑temperature endurance tailored for industrial power electronics. Its screw‑terminal radial can and stud‑mount configuration provide reliable electrical and mechanical connections for inverter DC links, regenerative circuits and high‑speed switching applications.

This capacitor is suited for designers specifying durable, high‑ripple, high‑temperature components for long service life in demanding environments. Its combination of voltage range, ripple capability and endurance makes it a practical choice for industrial converters, motor drives and other power conversion systems where robustness and predictable performance are required.

Request a quote or contact sales to discuss availability, pricing and sample requests for LNU2H332MTEG. Provide your project details and quantity requirements to get tailored support and lead‑time information.