LNUN7152MTEG

The LNUN7152MTEG is a screw‑terminal, aluminum electrolytic capacitor optimized for high‑voltage industrial power designs. It delivers 1.5 mF capacitance at a rated voltage of 525 V DC in a compact, stud‑bolt mount package suited to inverter and regenerative circuits.

Designed for demanding thermal and switching environments, this capacitor supports continuous operation to 105°C, long load life under ripple stress, and high‑speed charge–discharge cycles—making it appropriate for industrial power supplies, general inverters and AC servomotor regenerative circuits. It is RoHS compliant.

Key Features

• High Voltage Rating — Rated to 525 V DC to support inverter and high‑voltage regenerative circuits.
• Capacitance and Tolerance — 1.5 mF capacitance with ±20% tolerance (measured at 120 Hz, 20°C).
• High Temperature Operation — Operating temperature range −40°C to 105°C with a specified load life of 5000 hours at 105°C under rated ripple current.
• Ripple Current Capability — 7.2 A at 120 Hz and 10.08 A at 10 kHz to handle substantial AC stress in power stages.
• Robust Charge–Discharge Endurance — Meets endurance requirements after extensive charge–discharge cycling as defined in the product series specifications.
• Leakage and Insulation — Leakage current after 5 minutes is not more than 3√CV (µA) or 5 mA (whichever is smaller); insulation resistance greater than 100 MΩ at DC 500 V between terminal and bracket.
• Voltage Withstand — No abnormality during AC 2500 V, 1 minute application between terminal and bracket.
• Package and Mounting — Radial can with screw terminals and stud bolt mount arrangement; brackets are supplied separately.
• Polarized — Polarized aluminum electrolytic construction for DC applications.
• RoHS Compliant — Conforms to the RoHS directive (2011/65/EU, (EU)2015/863).
• Physical Size — Length 9.5 cm × Diameter 6.35 cm; maximum seated height 3.74 inches.

Typical Applications

• Industrial Inverter Power Supplies — Bulk and smoothing capacitance for inverter front‑ends and DC‑link stages operating at high voltages.
• AC Servomotor Regeneration — Energy buffering and high‑frequency regenerative voltage handling in servo drives.
• High‑Speed Charge/Discharge Circuits — Designed to cope with rapid charge–discharge loads found in switched power systems and regenerative braking circuits.

Unique Advantages

• High‑Voltage Capability: 525 V DC rating enables use in higher‑voltage inverter and regenerative topologies without series stacking.
• Elevated‑Temperature Reliability: 5000‑hour load life at 105°C demonstrates sustained performance under continuous thermal and ripple stress.
• Strong Ripple Handling: Specified ripple currents (7.2 A @120 Hz, 10.08 A @10 kHz) provide margin for heavy AC loading in power electronics.
• Durable Cycling Performance: Meets the series’ charge–discharge endurance requirements after extensive cycling, supporting frequent energy transfer events.
• Secure Mechanical Connections: Screw terminal and stud‑bolt mount simplify high‑current connections and mechanical retention in power assemblies.
• Regulatory Compliance: RoHS conformity supports deployment in designs that require lead‑restriction compliance.

Why Choose LNUN7152MTEG?

LNUN7152MTEG combines high DC voltage capability, substantial capacitance, and engineered endurance for continuous operation at elevated temperatures—qualities tailored to industrial inverter, motor drive and regenerative power applications. Its screw‑terminal, stud‑mount form factor and specified ripple performance make it a practical choice where reliable DC‑link and energy buffering are required.

This capacitor is suitable for designers and engineers specifying components for high‑voltage power stages who need verifiable electrical endurance, leakage and insulation characteristics. Its long load life and high ripple tolerance provide durable operation in demanding industrial environments.

Request a quote or submit an inquiry for pricing and availability to include LNUN7152MTEG in your next design or BOM.