LQS2W101MELA25

The LQS2W101MELA25 is a snap‑in terminal aluminum electrolytic capacitor from Nichicon's LQS series, designed for high‑speed charge–discharge operation at elevated temperatures. It delivers 100 µF at a 450 V rating with polarized radial can construction and snap‑in mounting for board installation.

Engineered for power‑conversion and regenerative circuits, this capacitor is suited to high‑frequency regenerative voltage in AC servomotors, general inverters, voltage‑fluctuating equipment, and rectifier circuits such as voltage doublers. The device is specified for operation from −25 °C to +105 °C and is RoHS compliant.

Key Features

• Capacitance & Voltage — 100 µF nominal capacitance rated at 450 V, specified to meet capacitance tolerance of ±20% at 120 Hz, 20 °C.
• High‑speed charge–discharge — Snap‑in terminal type from the LQS series designed for high speed charge–discharge performance at up to 105 °C.
• High ripple current capability — Rated ripple current values of 690 mA at 120 Hz and 986.7 mA at 50 kHz to support high‑frequency applications.
• Thermal and endurance specification — Operating range −25 °C to +105 °C with endurance of 3000 hours at 105 °C under DC bias plus rated ripple current, per the LQS series specification.
• Mechanical & packaging — Radial, can – snap‑in package with polarized terminals for robust board mounting and straightforward replacement.
• Regulatory compliance — Compliant to the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• AC servo drives (regeneration circuits) — Handles high‑frequency regenerative voltage in AC servomotor systems.
• General inverters — Suitable for power conversion stages that require high‑voltage, high‑frequency capacitor performance.
• Voltage‑fluctuating equipment — Built to operate reliably in environments with varying supply voltages.
• Rectifier circuits (voltage doubler) — Applicable to rectifier and voltage‑doubling circuits where high DC voltage handling is required.

Unique Advantages

• High‑voltage capability: 450 V rating supports designs that require elevated DC bus voltage handling without adding multiple series capacitors.
• Designed for high‑frequency duty: Specified ripple current up to 986.7 mA at 50 kHz helps maintain performance in high‑frequency regenerative and inverter applications.
• Thermal endurance: Endurance rating of 3000 hours at 105 °C under load demonstrates long‑term stability in elevated temperature environments.
• Snap‑in mounting: Snap‑in radial can construction provides secure, serviceable board installation for power electronics assemblies.
• RoHS compliance: Meets RoHS directive requirements for environmental and regulatory conformity.

Why Choose LQS2W101MELA25?

The LQS2W101MELA25 combines a high 450 V rating, 100 µF capacitance and high‑frequency charge–discharge capability in a snap‑in aluminum electrolytic package optimized for power conversion and regenerative circuits. Its thermal endurance at 105 °C and specified ripple current performance make it a practical choice for engineers designing AC servomotors, inverters, and rectifier circuits that operate under voltage fluctuation and elevated temperature conditions.

As part of Nichicon's LQS series, this capacitor provides a focused solution when designers need reliable high‑voltage capacitance with robust mounting and documented endurance characteristics.

Request a quote or contact sales to discuss pricing, availability, and lead times for the LQS2W101MELA25.