LQS2W221MELC25

The LQS2W221MELC25 is a snap‑in terminal aluminum electrolytic capacitor designed for high‑voltage power applications. It pairs a 450 V rated voltage with 220 µF capacitance in a radial, snap‑in can engineered for high‑speed charge‑discharge performance.

Targeted at power conversion and regenerative systems, this RoHS‑compliant part is suited for AC servomotor regenerative circuits, general inverters, voltage‑fluctuating equipment and rectifier circuits such as voltage doublers, delivering high temperature endurance and measurable ripple handling for reliable operation in demanding environments.

Key Features

• Rated Voltage & Capacitance: 450 V rated voltage with 220 µF capacitance and ±20% tolerance, providing substantial energy storage for high‑voltage DC link and regenerative circuits.
• High‑Temperature Endurance: Specified for operation from −25°C to +105°C with a guaranteed lifetime of 3000 hours at 105°C under rated conditions.
• High‑Speed Charge‑Discharge Capability: Series specification calls out high‑speed charge‑discharge behavior, with endurance validated through charge‑discharge testing (50 million cycles under defined test conditions).
• Ripple Current Performance: Rated ripple currents of 1.05 A at 120 Hz and 1.502 A at 50 kHz, allowing effective handling of both low and high frequency ripple in power electronics.
• Robust Mounting & Construction: Snap‑in terminal, radial can package designed for secure board attachment in power assemblies.
• Leakage & Loss Characteristics: Manufactured to meet series leakage current and tan δ limits per datasheet specifications for 350–450 V class parts, supporting predictable long‑term behavior.
• RoHS Compliant: Meets RoHS directive requirements (2011/65/EU, (EU)2015/863) for restricted substances.

Typical Applications

• AC Servomotor Regenerative Circuits: Use in regenerative voltage paths to store and smooth high‑voltage pulses during motor braking and energy recovery.
• General Inverters and Power Converters: DC link and smoothing applications where high voltage and high‑temperature endurance are required for continuous operation.
• Equipment in Voltage‑Fluctuating Areas: Systems exposed to supply variations benefit from the part’s high voltage rating and endurance to handle fluctuating conditions.
• Rectifier / Voltage Doubler Circuits: Suitable for rectifier stages and voltage doubler arrangements that require high‑voltage capacitance and reliable ripple handling.

Unique Advantages

• High Voltage Energy Storage: 450 V rating combined with 220 µF capacitance supplies substantial stored energy for DC link and regenerative tasks.
• Designed for High‑Speed Cycling: Series proven for high‑speed charge‑discharge endurance (50 million cycles under specified test conditions), useful in frequent transient and regenerative events.
• Thermal Reliability: Rated to 105°C with a specified 3000‑hour endurance at that temperature, supporting reliable operation in elevated ambient conditions.
• Broad Ripple Handling: Specified ripple current values at both 120 Hz and 50 kHz let designers quantify and manage ripple in low and high frequency domains.
• Secure Snap‑in Mounting: Radial, snap‑in can construction provides firm board attachment for power assemblies subject to vibration or mechanical stress.
• Standards‑Aligned Specifications: Manufactured to meet series-level leakage, tan δ and endurance criteria, enabling predictable performance characterization during design.

Why Choose LQS2W221MELC25?

The LQS2W221MELC25 is positioned for engineers building high‑voltage power stages that require reliable energy storage, high‑speed charge‑discharge tolerance and elevated temperature capability. With a 450 V rating, 220 µF capacitance and series‑validated endurance and ripple specifications, it is well suited for inverter/DC link and regenerative applications where measurable, spec‑driven performance is essential.

This part offers a compact, snap‑in form factor and established series characteristics that simplify integration into power assemblies, giving procurement and design teams a verifiable option for demanding operating profiles while maintaining RoHS compliance.

Request a quote or contact sales to submit a procurement inquiry for LQS2W221MELC25, specifying the part number and your required quantity and delivery timeline.