LNU2W822MTEH

The LNU2W822MTEH is a screw‑terminal aluminum electrolytic capacitor designed for high‑voltage industrial power applications. It delivers 8.2 mF capacitance at a 450 V rating in a compact, stud‑bolt mount package optimized for power conversion and energy‑storage duties.

Engineered for inverter circuitry and high‑frequency regenerative environments, this capacitor offers a 105°C operating range and a proven load life under ripple conditions, making it suitable for AC servomotor drives, general inverters and other industrial power supplies that demand high ripple handling and charge‑discharge endurance.

Key Features

• Capacitance & Tolerance: 8.2 mF nominal capacitance with ±20% tolerance (measured at 120 Hz, 20°C), providing stable DC link and energy storage capacity.
• High Voltage Rating: Rated at 450 V DC; series rated up to DC525 V, enabling use in higher‑voltage inverter and regenerative circuits.
• Wide Temperature Range: Operates from −40°C to +105°C to support demanding industrial thermal environments.
• Long Load Life: Endurance of 5000 hours at 105°C with rated DC bias plus rated ripple current, maintaining capacitance, tanδ and leakage characteristics within specified limits.
• High Ripple Current Capability: 25.7 A at 120 Hz and 35.98 A at 10 kHz, supporting high ripple and high‑frequency switching applications.
• Robust Package & Mounting: Radial can with screw terminals and stud bolt mount for secure electrical and mechanical connection in power assemblies.
• Charge‑Discharge Endurance: Qualified for charge‑discharge endurance testing (50 million cycles at rated voltage difference ±0.3 V, 3 Hz), designed for frequent high‑speed charge/discharge loading.
• Leakage & Safety Characteristics: Leakage current limited to not more than 3√CV (µA) or 5 mA (whichever is smaller) after 5 minutes at 20°C; insulation resistance >100 MΩ at DC 500 V and AC 2500 V voltage proof between terminal and bracket.
• Environmental Compliance: RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Power Supplies: Used as DC‑link and smoothing capacitors in industrial power supplies serving inverter and converter stages.
• Inverter & Motor Drives: Supports inverter circuitry and AC servomotor drives where high voltage, high ripple and compact form factor are required.
• Regenerative Power Circuits: Suitable for high‑frequency regenerative voltage handling in braking and energy‑recapture systems.
• High‑Speed Charge/Discharge Systems: Designed to cope with frequent and rapid charge‑discharge cycles in power conversion and pulsed applications.

Unique Advantages

• High voltage in a compact package: 450 V rating (series to 525 V) combined with a smaller footprint offers space savings in dense power assemblies.
• Engineered for high ripple and frequency: Rated ripple currents at both 120 Hz and 10 kHz make this capacitor suitable for switched‑mode and high‑frequency inverter topologies.
• Thermal and long‑life reliability: 105°C operating temperature and 5000‑hour load life under rated ripple ensure stability in hot operating environments.
• Durable mechanical termination: Screw terminals and stud bolt mount provide secure electrical connections for heavy current and industrial vibration conditions.
• Charge/discharge robustness: Proven endurance under repeated charge/discharge cycles supports applications with frequent energy transfer events.
• Regulatory compliance: RoHS compliance helps meet environmental requirements for industrial and commercial systems.

Why Choose LNU2W822MTEH?

LNU2W822MTEH targets engineers who need a compact, high‑voltage electrolytic capacitor that stands up to demanding inverter, motor drive and regenerative power environments. Its combination of 450 V rating, high ripple handling, extended high‑temperature life and robust screw‑terminal mounting makes it well suited for industrial power conversion designs that require reliable DC‑link energy storage.

Specifically designed for long service life under ripple stress and frequent charge/discharge conditions, this capacitor provides a verifiable performance profile for system designers focused on durability and stable electrical characteristics in harsh operating conditions.

Request a quote or submit an inquiry for LNU2W822MTEH to obtain pricing, availability and lead‑time information for your project.