LQS2V821MELC45

The LQS2V821MELC45 is an aluminum electrolytic capacitor from Nichicon's LQS series, featuring a snap-in terminal radial can designed for high-speed charge–discharge operation. With a rated capacitance of 820 µF at 350 V and an operating temperature range of –25°C to 105°C, this part targets industrial power applications that require robust ripple handling and tolerance to fluctuating voltages.

Key Features

• Capacitance & Rated Voltage — 820 µF capacitance with a 350 V rated voltage and ±20% tolerance at 120 Hz, 20°C.
• High-temperature Endurance — Specified operating temperature range of –25°C to 105°C and qualified endurance of 3000 hours at 105°C under rated stress.
• High-speed Charge–Discharge Design — Snap-in terminal type specifically indicated for 105°C high-speed charge–discharge use in the LQS series.
• Ripple Current Performance — Rated ripple current values include 1.9 A at 120 Hz and 2.717 A at 50 kHz, supporting demanding power-conditioning tasks.
• Package & Mounting — Radial, snap-in can package with a physical size of L: 4.5 × D: 3.5 cm and polarized construction for secure mounting in power assemblies.
• Application-focused Series Characteristics — Designed for high-frequency regenerative voltage, voltage-doubler rectifier circuits, and equipment operating in fluctuating-voltage environments.
• RoHS Compliance — Conforms to the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Inverters and Motor Drives — Suitable for handling high-frequency regenerative voltage in AC servomotors and general inverter systems, where charge–discharge endurance and ripple performance are required.
• Voltage Doubler Rectifiers — Recommended for use in rectifier circuits employing voltage-doubler configurations to stabilize DC link levels.
• Power Equipment in Fluctuating-Voltage Environments — Well suited for industrial power systems and equipment exposed to varying line conditions that demand robust capacitive buffering.

Unique Advantages

• Designed for High-Temperature Duty: Endurance rating of 3000 hours at 105°C provides quantifiable longevity under elevated operating temperatures.
• Engineered for Rapid Charge–Discharge: Snap-in terminal construction and LQS-series specification for high-speed charge–discharge make it appropriate for regenerative and pulsed-power applications.
• Measurable Ripple Handling: Published ripple current figures at both 120 Hz and 50 kHz allow designers to evaluate thermal and ripple performance against system requirements.
• Robust Mounting Form Factor: Radial, snap-in can package and polarized design support secure mechanical and electrical integration into power assemblies.
• Regulatory Alignment: RoHS compliance helps simplify regulatory tracking for industrial and commercial projects.

Why Choose LQS2V821MELC45?

Part of Nichicon's LQS series, the LQS2V821MELC45 combines high-capacitance energy storage with design features targeted at high-frequency regenerative and fluctuating-voltage environments. Its combination of 350 V rating, 820 µF capacitance, specified ripple current performance, and 105°C endurance makes it a practical choice for inverter, drive, and power-conditioning designs that require reliable charge–discharge behavior.

This capacitor is suited for engineers and procurement teams specifying components for industrial power systems where thermal endurance, measurable ripple capability, and secure snap-in mounting are priorities.

Request a quote or submit a specification inquiry to receive pricing and availability information for the LQS2V821MELC45.