LQR2V472MSEFBB

The LQR2V472MSEFBB is a screw-terminal aluminum electrolytic capacitor designed for high-frequency charge–discharge environments. It provides 4.7 mF (4700 µF) capacitance at a 350 V rating in a radial can package with screw terminals for robust electrical connections.

Engineered for applications such as AC servomotor regenerative voltage, general inverters, and rectifier circuits of voltage doublers, this capacitor emphasizes high ripple tolerance, long endurance, and RoHS compliance for use in industrial power electronics and equipment exposed to fluctuating voltages.

Key Features

• Capacitance & Voltage — 4.7 mF (4700 µF) nominal capacitance with a rated voltage of 350 V and a tolerance of −20% to +20% (120 Hz, 20°C).
• Screw Terminal Mounting — Radial can package with screw terminals provides secure, serviceable connections suitable for high-current power assemblies.
• High Ripple Current Capability — Supports 17 A ripple current at 120 Hz and 23.8 A at 10 kHz, enabling operation under substantial AC ripple loads at both low and high frequencies.
• Thermal and Environmental Range — Operates from −25 °C to +85 °C and is RoHS compliant (2011/65/EU, (EU)2015/863).
• Endurance & Lifetime — Rated for 5000 hours at 85 °C under DC bias plus rated ripple current; designed to meet specified capacitance, tan δ, and leakage current limits after endurance testing.
• Charge–Discharge Endurance — Qualified for 20 million charge–discharge cycles (ΔV = rated voltage × 0.3, cycle 3 Hz) with limits on capacitance change, tan δ, and leakage current as specified.
• Leakage Current Specification — Leakage current after 5 minutes of rated voltage follows the datasheet limit formula: not more than 3√V (µA) or 5 mA, whichever is smaller (at 20 °C).
• Low-Temperature Impedance Stability — Impedance ratio Z(−25 °C) / Z(+20 °C) is specified as 8, supporting predictable behavior in colder operating conditions.

Typical Applications

• AC Servomotor Regeneration — Buffers and smooths high-frequency regenerative voltages in servo drives where reliable energy absorption and release are required.
• General Inverters — Provides bulk energy storage and ripple handling in inverter DC-link circuits for industrial motor drives and power conversion systems.
• Voltage Doubler Rectifiers — Used in the rectifier stage of voltage-doubler configurations to stabilize DC output and support charge–discharge cycles.
• Equipment in Fluctuating Voltage Areas — Suited for machinery and installations exposed to variable supply conditions that demand stable capacitance and long-term endurance.

Unique Advantages

• High Energy Density at High Voltage — 4700 µF at 350 V delivers substantial energy storage for DC-link and regenerative circuits without adding complexity to the topology.
• Robust Current Handling — Specified ripple currents at both 120 Hz and 10 kHz enable reliable operation across a range of switching frequencies commonly encountered in power electronics.
• Service-Friendly Screw Terminals — Screw-terminal configuration simplifies installation and maintenance in field-serviceable power assemblies.
• Qualified Endurance Behavior — Endurance ratings (5000 hours at 85 °C and 20 million charge–discharge cycles) support long-term stability under DC bias and repetitive cycling.
• Predictable Low-Temperature Performance — Documented impedance ratio at −25 °C helps designers account for cold-start and low-temperature operation.
• RoHS Compliance — Meets applicable RoHS directives for reduced hazardous substances in industrial and commercial systems.

Why Choose LQR2V472MSEFBB?

The LQR2V472MSEFBB combines high capacitance and 350 V voltage rating with screw-terminal mounting and validated ripple/current endurance to meet the demands of industrial power electronics. Its documented endurance (5000 hours at 85 °C) and charge–discharge cycling capability make it suitable for systems that require repeatable performance under heavy-duty switching and regenerative conditions.

This capacitor is well suited for engineers designing inverter DC-links, regenerative drive circuits, and rectifier-based voltage doublers who need measurable, spec-driven behavior and long-term robustness backed by series datasheet specifications and RoHS compliance.

If you require pricing, lead-time, or a formal quote for LQR2V472MSEFBB, please request a quote or submit a specification inquiry to our sales team and include your quantity and application requirements for a rapid response.