LNUN7272MTEH

The LNUN7272MTEH is a screw‑terminal aluminum electrolytic capacitor designed for high‑voltage industrial power applications. It provides a 2.7 mF capacitance at a rated DC voltage of 525 V with polarized construction and stud bolt mounting for robust panel or chassis installation.

Engineered for inverter circuitry and high‑frequency regenerative environments, this capacitor is optimized for sustained operation at elevated temperatures (–40°C to 105°C) and long load life with high ripple handling capability.

Key Features

• High Rated Voltage — Rated up to DC 525 V, suitable for high‑voltage inverter and regenerative systems.
• Capacitance — 2.7 mF nominal capacitance with ±20% tolerance (120 Hz, 20°C).
• High Temperature Endurance — Specified operating range from –40°C to 105°C and load life of 5000 hours at 105°C under rated ripple current.
• Ripple Current Performance — Handles 10.6 A at 120 Hz and 14.84 A at 10 kHz, supporting both low‑ and high‑frequency ripple environments.
• Robust Mounting and Termination — Stud bolt mount with screw terminals in a radial can package for secure mechanical and electrical connections.
• Physical Size — Compact footprint with body dimensions L: 11.5 cm × D: 7.62 cm and a maximum seated height of 4.528 inches, enabling denser power assemblies.
• Charge–Discharge Endurance — Designed to withstand high‑speed charge/discharge loading, including endurance testing of 50 million charge‑discharge cycles at specified conditions.
• RoHS Compliant — Conforms to the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Power Supplies — Used in inverter front‑end and DC bus filtering where high voltage and high ripple capability are required.
• AC Servomotor Drives — Supports high‑frequency regenerative voltage and rapid charge/discharge cycles in servo amplifiers and drive systems.
• General Inverters — Suitable for inverter circuitry in industrial drives and regenerative power conversion systems.

Unique Advantages

• High‑Voltage Capability in a Compact Package — Rated to 525 V while offering a smaller physical size compared with prior LNT series designs, enabling space‑efficient power assemblies.
• Long High‑Temperature Life — 5000 hours rated life at 105°C under ripple load, providing predictable service life in high‑temperature installations.
• Wide Frequency Ripple Handling — Specified ripple current at both 120 Hz and 10 kHz supports a range of switching frequencies and regenerative conditions.
• Mechanical Reliability — Stud bolt mount with screw terminals delivers secure electrical connections and straightforward installation for chassis or bracket mounting.
• Proven Charge–Discharge Durability — Engineered to tolerate accelerated charge/discharge cycling (50 million cycles in test conditions), addressing high‑speed switching applications.
• Regulatory Compliance — RoHS compliance supports environmental requirements for industrial applications.

Why Choose LNUN7272MTEH?

The LNUN7272MTEH combines high voltage, substantial capacitance, and elevated temperature endurance in a compact screw‑terminal aluminum electrolytic package. Its rated 525 V capability, robust ripple current specifications, and 5000‑hour life at 105°C make it well suited for power engineers designing inverter systems, servo drives, and regenerative converters that demand reliable DC bus energy storage and rapid charge/discharge performance.

This part is appropriate for designs that require durable mounting, predictable high‑temperature behavior, and clear ripple handling across low and high switching frequencies. Its specifications provide a clear basis for integration into industrial power modules and drive systems.

Request a quote or contact sales to discuss incorporating the LNUN7272MTEH into your design and to obtain pricing, availability, and additional application details.