LQR2V222MSEFBN

The LQR2V222MSEFBN is a screw‑terminal aluminum electrolytic capacitor in Nichicon’s LQR series, specified at 2200 µF and 350 V. It is a polarized, radial can package designed for high speed charge‑discharge and high‑frequency regenerative voltage environments.

Typical use cases include AC servomotor regenerative circuits, general inverter systems, rectifier circuits (voltage doubler) and equipment operating in areas with fluctuating supply voltage. The part’s combination of rated voltage, ripple handling and endurance makes it suitable for power electronics and regenerative power applications.

Key Features

• Capacitance & Voltage — 2.2 mF (2200 µF) capacitance rated at 350 V.
• Screw‑Terminal Radial Can — Screw terminal mounting for secure electrical and mechanical connection in power assemblies; radial can package.
• High‑Speed Charge‑Discharge — Engineered for high speed charge/discharge behavior; series specification includes endurance under repetitive charge/discharge cycles.
• Operating Temperature & Lifetime — Specified temperature range −25 °C to +85 °C with rated lifetime of 5000 hours at 85 °C.
• Capacitance Tolerance — ±20% at 120 Hz, 20 °C.
• Ripple Current Capability — Rated ripple current of 9.1 A at 120 Hz and 12.74 A at 10 kHz, supporting high‑frequency power applications.
• Endurance & Charge‑Discharge Durability — Series endurance: after 5000 hours at 85 °C under DC bias plus rated ripple current, capacitance change within ±20%, tan δ ≤300% of initial specified value, leakage current ≤ initial specified value. Charge‑discharge endurance: 20 million cycles (ΔV = rated × 0.3, 3 Hz) at room temperature with the same post‑test limits.
• Leakage Current Specification — After 5 minutes’ application of rated voltage, leakage current is limited to the smaller of 3√(√V) μA or 5 mA (at 20 °C), per series specification.
• RoHS Compliant — Complies with RoHS directive (2011/65/EU, (EU)2015/863).
• Physical Size — Package dimensions: L: 10 × D: 5.1 cm; maximum seated height 3.937 inches (product dimension provided).

Typical Applications

• AC servomotor regenerative circuits — Handles high‑frequency regenerative voltages encountered in servo drive energy recovery.
• General inverter power stages — Provides bulk energy storage and smoothing in inverter DC bus circuits where voltage fluctuation and rapid charge/discharge occur.
• Rectifier / voltage doubler circuits — Suited for rectifier circuits and voltage doubler topologies that require high voltage and endurance.
• Equipment exposed to fluctuating voltage — Designed for systems operating in environments with variable supply levels, providing stable capacitance and controlled leakage over life.

Unique Advantages

• Built for regenerative and high‑frequency environments: Specified high speed charge‑discharge behavior and elevated ripple current ratings support regenerative loads and high‑frequency switching.
• Verified endurance performance: 5000 hours at 85 °C endurance and a 20 million cycle charge/discharge qualification provide measurable durability for long‑life power systems.
• High voltage capability: 350 V rating enables use in high‑voltage DC bus and rectifier circuits without exceeding the capacitor’s specified voltage.
• Screw terminal packaging: Screw terminals offer robust, low‑impedance connections suitable for repeated maintenance or high‑current bus wiring.
• Clear leakage and post‑test limits: Leakage current and tan δ limits after endurance testing give predictable aging behavior for design validation.
• Regulatory compliance: RoHS compliance supports deployments where restricted substance requirements are mandatory.

Why Choose LQR2V222MSEFBN?

The LQR2V222MSEFBN combines a 2200 µF capacitance with a 350 V rating in a screw‑terminal radial can designed for high‑frequency, regenerative and fluctuating voltage environments. Its specified ripple current capabilities, endurance at 85 °C and charge/discharge durability provide engineers with measurable, application‑relevant performance for power electronics designs.

This part is well suited for engineers designing inverter systems, servo drives and rectifier circuits who need a robust, RoHS‑compliant electrolytic capacitor with defined life and post‑test electrical limits. The LQR series specifications help simplify validation and long‑term planning for high‑voltage, high‑stress power applications.

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