LNU2G472MTEH

The LNU2G472MTEH is a screw‑terminal aluminum electrolytic capacitor designed for industrial power systems. It delivers 4.7 mF (4700 µF) nominal capacitance at a 400 V rated voltage in a radial can with screw terminals, optimized for inverter and regenerative power applications.

Engineered for demanding environments, this capacitor supports operation from –40 °C to 105 °C, a rated voltage range up to DC 525 V, and a load life of 5000 hours at 105 °C under rated ripple current. It is RoHS compliant.

Key Features

• Capacitance and Voltage: 4.7 mF (4700 µF) nominal capacitance with a 400 V rated voltage and capacitance tolerance of ±20% (120 Hz, 20 °C).
• High‑Voltage Range: Rated voltage range up to DC 525 V, suitable for higher‑voltage inverter circuitry.
• Temperature and Lifetime: Operating temperature range –40 °C to 105 °C with a specified load life of 5000 hours at 105 °C when exposed to rated ripple current.
• Ripple Current Capability: 15.8 A at 120 Hz and 22.12 A at 10 kHz, enabling handling of significant AC ripple in power conversion systems.
• Screw Terminal / Stud Bolt Mount: Radial can with screw terminals and stud bolt mounting for secure mechanical and electrical connection in industrial assemblies.
• Charge‑Discharge Endurance: Qualified for charge–discharge endurance; specified performance maintained after 50 million charge–discharge cycles (ΔV = rated voltage ±0.3, 3 Hz).
• Electrical Robustness: Leakage current limits (≤ 3√CV µA or 5 mA after 5 minutes at 20 °C), insulation resistance >100 MΩ at DC 500 V between terminal and bracket, and AC 2500 V, 1 minute voltage proof between terminal and bracket.
• Form Factor: Physical dimension nominally φ76.2 × 95L mm (L: 9.5 × D: 7.62 cm), offering high voltage in a compact screw‑terminal package; specified as smaller than LNT series.
• Regulatory Compliance: Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverters: Energy storage and smoothing in inverter power supplies where high voltage and ripple handling are required.
• AC Servomotor Drives: High‑frequency regenerative voltage support and charge/discharge cycling in servo drive systems.
• Regenerative Power Circuits: Handling high‑frequency regenerative voltage in motor control and power‑recovery circuits.
• General Power Supplies: Bulk energy storage and ripple suppression in industrial power supply designs.

Unique Advantages

• High‑voltage capability: Rated up to 400 V with a voltage range to DC 525 V, enabling use in higher‑voltage industrial converters.
• Elevated temperature life: 5000 hours at 105 °C under rated ripple current provides predictable long‑term performance in hot enclosures.
• Strong ripple performance: Specified ripple current of 15.8 A (120 Hz) and 22.12 A (10 kHz) supports demanding AC ripple environments.
• Robust electrical safety margins: Defined leakage, insulation resistance, and dielectric withstand (AC 2500 V, 1 minute) reduce integration risk in high‑voltage layouts.
• Durable charge/discharge endurance: Designed and tested for 50 million charge–discharge cycles, addressing applications with frequent energy transfers.
• RoHS compliance: Meets RoHS requirements for environmental and regulatory compatibility.

Why Choose LNU2G472MTEH?

The LNU2G472MTEH combines high capacitance, elevated voltage capability, and proven endurance in a screw‑terminal aluminum electrolytic package tailored for industrial inverter and regenerative applications. Its specified ripple current ratings, long life at 105 °C, and charge–discharge endurance make it a practical choice for designs that require reliable bulk energy storage and frequent cycling.

Engineers specifying this capacitor will find a clear set of electrical and mechanical characteristics — including insulation and leakage limits — that support predictable integration into power conversion systems where high voltage, thermal endurance, and mechanical robustness matter.

Request a quote or submit an inquiry for pricing and availability of the LNU2G472MTEH to evaluate it for your next power conversion or motor‑drive design.