LQR2V272MSEGBB

The LQR2V272MSEGBB is an aluminum electrolytic capacitor in a screw‑terminal radial can designed for power electronics. It provides 2.7 mF capacitance at a 350 V rating and is intended for applications that require high frequency regenerative handling and robust energy buffering.

Built for industrial power systems, the part is suited to AC servomotor drives, general inverters, rectifier circuits such as voltage doublers, and equipment operating in fluctuating voltage environments. The device is RoHS compliant.

Key Features

• Electrical Performance — 2.7 mF (2700 µF) nominal capacitance with ±20% tolerance (at 120 Hz, 20°C) and a 350 V rated voltage for high-voltage energy storage and filtering.
• High Ripple Capability — Rated ripple current of 10.6 A at 120 Hz and 14.84 A at 10 kHz to support heavy AC and switching ripple conditions in power converters and regenerative circuits.
• Charge/Discharge Endurance — Series-level endurance for charge‑discharge behavior: specified to withstand 20 million cycles (ΔV = rated × 0.3, 3 Hz) at room temperature with defined performance limits.
• Thermal and Lifetime Ratings — Operating temperature range −25°C to +85°C with a lifetime specification of 5000 hours at 85°C under rated conditions.
• Reliability Characteristics — Endurance requirements: after 5000 hours at 85°C with DC bias and rated ripple applied, capacitance change within ±20%, tan δ within specified limits, and leakage current not exceeding initial specification.
• Mounting and Package — Radial can with screw terminals for secure bolted connections and straightforward mechanical mounting in power assemblies.
• Low‑temperature Performance — Impedance stability characterized at low temperature (Z(−25°C)/Z(+20°C) ≤ 8 for the series), aiding performance in environments with temperature variation.
• Environmental Compliance — Complies with RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• AC Servomotor Drives — Energy buffering and handling of high‑frequency regenerative voltages in motor control and drive systems.
• Industrial Inverters — Bulk energy storage and ripple smoothing for general inverter topologies used in industrial power conversion.
• Rectifier / Voltage Doubler Circuits — Suitable for rectifier stages and voltage doubler arrangements where stable high‑voltage capacitance is required.
• Equipment in Fluctuating Voltage Environments — Provides tolerance to variable supply conditions and smoothing for systems exposed to voltage swings.

Unique Advantages

• High energy density at elevated voltage: 2.7 mF at 350 V provides substantial stored energy for transient suppression and regenerative capture in power electronics.
• Robust ripple handling: Specified ripple currents at both low and high frequency (120 Hz and 10 kHz) support modern switching and regenerative loads.
• Durable mechanical connections: Screw‑terminal construction enables secure, low‑impedance bolted connections for high‑current installations.
• Proven endurance: 5000 hours at 85°C endurance and series charge/discharge cycle qualification help ensure long service life in industrial applications.
• Wide operating range: −25°C to +85°C operating temperature supports deployment across diverse ambient conditions.
• Regulatory compliance: RoHS conformity supports designs targeting restricted‑substance compliance requirements.

Why Choose LQR2V272MSEGBB?

The LQR2V272MSEGBB from Nichicon's LQR series combines high capacitance and a 350 V rating with screw‑terminal robustness and validated endurance characteristics, making it a practical choice for industrial power electronics. Its ripple current capability and charge/discharge endurance align it with regenerative drives, inverter stages, and rectifier circuits where reliable energy storage and frequent dynamic cycling are required.

This part is appropriate for engineers specifying capacitors for industrial motor drives, inverter subsystems, and other equipment exposed to voltage fluctuation where long life, secure connections, and RoHS compliance are required.

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