LQR2V472MSEH

The LQR2V472MSEH is a screw‑terminal aluminum electrolytic capacitor offering 4.7 mF (4700 µF) capacitance at a 350 V rating. Designed for robust energy storage and high‑speed charge/discharge use, it supports demanding power electronics environments where voltage fluctuation and regenerative currents occur.

Its feature set targets industrial inverter and servo applications, providing high ripple current capability, a wide operating temperature range, and long endurance at elevated temperature for reliable operation in regenerative and rectifier circuits.

Key Features

• Capacitance and Voltage: 4.7 mF (4700 µF) nominal capacitance with a 350 V rated voltage and ±20% tolerance for bulk energy storage and smoothing in high‑voltage power stages.
• Screw‑Terminal Package: Radial can with screw terminals for secure, low‑impedance connections and straightforward mechanical mounting.
• High Ripple Current Capability: Rated ripple current of 16.4 A at 120 Hz and 22.96 A at 10 kHz to handle both low‑ and high‑frequency ripple in inverter and regenerative circuits.
• Temperature Range and Endurance: Operating from −25 °C to +85 °C with an endurance specification of 5000 hours at 85 °C under rated conditions.
• Polarized Design: Polarized capacitor suitable for DC bulk storage and rectifier applications such as voltage doublers.
• RoHS Compliant: Meets RoHS directive requirements (2011/65/EU, (EU)2015/863).

Typical Applications

• AC Servomotor Regeneration: Energy absorption and smoothing for high‑frequency regenerative voltage in servo drives.
• General Inverters: Bulk DC link and ripple suppression in inverter power stages where high ripple currents and voltage fluctuation tolerance are required.
• Voltage‑Doubler Rectifiers: Use in rectifier circuits such as voltage doublers where polarized high‑voltage capacitance is needed.
• Equipment for Variable Voltage Environments: Systems operating in areas with fluctuating supply voltages that require stable energy buffering and surge tolerance.

Unique Advantages

• High Energy Density at High Voltage: 4.7 mF at 350 V provides substantial DC link energy storage for compact power assemblies.
• Designed for Fast Charge/Discharge: High ripple current ratings (especially 22.96 A at 10 kHz) support rapid regenerative and switching events common in motor drives and inverters.
• Rugged Screw‑Terminal Connections: Screw terminals deliver reliable electrical and mechanical fastening for industrial installations and field serviceability.
• Extended Endurance at Elevated Temperature: Specified 5000 hours at 85 °C under rated conditions supports long service life in warm operating environments.
• Wide Operating Temperature Range: −25 °C to +85 °C covers many industrial operating conditions without derating the capacitor’s core specifications.
• Regulatory Compliance: RoHS conformity simplifies integration into designs targeting regulated markets.

Why Choose LQR2V472MSEH?

The LQR2V472MSEH positions itself as a durable, high‑voltage aluminum electrolytic solution for designers of inverters, servo drives, and other industrial power systems that require reliable energy buffering and high ripple handling. Its combination of 4.7 mF capacitance, 350 V rating, screw‑terminal mounting and specified endurance at 85 °C make it well suited for high‑frequency regenerative and rectifier applications where stable performance under voltage fluctuation is essential.

Choose this part for designs that demand robust DC link storage, straightforward installation, and verifiable performance characteristics backed by series‑level datasheet specifications.

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