LNU2W472MSEHBN

The LNU2W472MSEHBN is a screw‑terminal aluminum electrolytic capacitor in a radial can package, optimized for high‑voltage industrial power applications. This unit provides 4.7 mF capacitance at a 450 V DC rating and is designed for demanding inverter and regenerative circuits where high ripple handling and high‑temperature endurance are required.

Built for continuous operation at elevated temperatures, the LNU2W472MSEHBN delivers long service life under ripple loading and supports high‑speed charge–discharge cycles common in motor drives and inverter systems.

Key Features

• Capacitance & Voltage — 4.7 mF nominal capacitance with a 450 V DC rated voltage; capacitance tolerance is ±20% (–20% to +20%).
• High‑Temperature Endurance — Qualified for operation from –40°C to +105°C with a rated load life of 5000 hours at 105°C under applied ripple current.
• High Ripple‑Current Capability — Rated ripple current of 17.9 A at 120 Hz and 25.06 A at 100 kHz, supporting high‑frequency and high‑power applications.
• Robust Power Package — Screw terminal radial can package engineered for secure, low‑impedance connections in industrial power assemblies.
• Polarized Design — Intended for DC applications where a polarized electrolytic capacitor is required.
• Series Voltage Range — The LNU series supports rated voltages across 400 V to 525 V; this specific part is rated at 450 V DC.
• Size — Compact high‑voltage form factor with product dimensions L: 13 cm × D: 7.62 cm (nominal).
• RoHS Compliant — Manufactured in compliance with RoHS directives (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverter Power Supplies — Energy buffering and DC link smoothing in inverter front ends, improving voltage stability under load.
• AC Servomotor Regenerative Circuits — Handles high‑frequency regenerative voltage and rapid charge–discharge cycles common in servo drives.
• General Inverter Systems — Suited for high‑voltage DC bus applications in motor control and power conversion systems.
• High‑Frequency Power Electronics — Supports high ripple currents at both 120 Hz and 100 kHz for switching power stages and pulse loads.

Unique Advantages

• High‑Voltage Energy Storage: 450 V DC rating (with series up to 525 V) enables use in higher‑voltage DC link designs without additional series stacking.
• Designed for Elevated Temperatures: Rated for continuous operation to 105°C with a 5000‑hour load life under ripple, supporting reliability in hot industrial environments.
• High Ripple Handling: Specified ripple currents of 17.9 A (120 Hz) and 25.06 A (100 kHz) support both low‑ and high‑frequency power stages, reducing thermal stress in system designs.
• Screw‑Terminal Robustness: Screw terminal radial can enables secure, low‑impedance connections suitable for high‑current power buses and field serviceability.
• Compact High‑Voltage Footprint: Smaller sized construction for the LNU series allows high‑voltage capacitance density where board space and enclosure volume are constrained.
• Regulatory Compliance: RoHS compliance simplifies material selection and regulatory documentation for commercial and industrial products.

Why Choose LNU2W472MSEHBN?

If your design requires a high‑voltage, high‑ripple capacitor for inverter, servo, or other industrial power conversion applications, the LNU2W472MSEHBN offers a balanced combination of capacitance (4.7 mF), a 450 V DC rating, and specified ripple current capability across low and high frequencies. Its screw‑terminal radial can package supports reliable power connections and serviceability in demanding installations.

Backed by the LNU series’ high‑temperature endurance (–40°C to +105°C) and 5000‑hour load life under rated ripple, this part is targeted at engineers seeking robust DC link buffering and regenerative energy handling with RoHS‑compliant materials.

Request a quote or contact sales to discuss availability, lead times, and how LNU2W472MSEHBN can fit your power‑electronics design requirements.