LASW6331MELC35ZB

The LASW6331MELC35ZB is a snap‑in terminal aluminum electrolytic capacitor designed for general‑purpose power applications. It delivers 330 µF at a 420 V rating in a compact φ35 × 35 mm can, optimized for use where voltage fluctuations and robust ripple handling are required.

Engineered for high ripple endurance and long life at elevated temperature, this capacitor combines a smaller case size with improved safety features and RoHS compliance for reliable integration into a range of equipment types.

Key Features

• Capacitance & Voltage — 330 µF nominal capacitance at a 420 V rated voltage for energy storage and DC bus smoothing in high‑voltage circuits.
• High‑temperature endurance — Designed to withstand 2000 hours of rated ripple current at 105°C, maintaining capacitance within ±20% after endurance testing.
• Ripple current performance — Rated ripple current of 1.2 A at 120 Hz and 1.38 A at 100 kHz; frequency coefficient increases ripple capacity at higher frequencies (e.g., 1.10 at 1 kHz, 1.15 at 10 kHz+).
• Compact snap‑in package — Radial, can snap‑in mounting with dimensions L: 3.5 × D: 3.5 cm (φ35 × 35 mm) for secure PCB installation and reduced board footprint.
• Wide operating range — Specified for operation from −25°C to +105°C to match typical power equipment thermal environments.
• Safety features — Improved protection against abnormally excessive voltage and a pressure relief vent designed to operate without flames, ignition, or dispersion of parts under test conditions.
• Regulatory compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General‑purpose power filtering — Bulk smoothing and ripple reduction in 400–450 V DC circuits where stable capacitance and ripple handling are needed.
• Equipment in voltage‑fluctuating environments — Suited to systems that experience variable supply voltages thanks to improved safety characteristics and robust ripple endurance.
• Power conversion modules — Use in rectifier outputs and DC bus decoupling where a snap‑in high‑voltage capacitor is required for reliable long‑term performance.

Unique Advantages

• Proven ripple endurance — 2000‑hour rated ripple current endurance at 105°C preserves capacitance and reduces maintenance risk in demanding thermal conditions.
• Higher ripple capability in a smaller case — Delivers greater ripple handling than previous LAQ series designs while occupying a reduced footprint (φ35 × 35 mm).
• Enhanced over‑voltage safety — Built‑in safety measures and a pressure relief vent minimize hazardous failure modes under abnormal voltage stress.
• Frequency‑responsive performance — Frequency coefficient increases allowable ripple at higher frequencies, enabling effective use across switching power topologies.
• RoHS compliant — Meets RoHS requirements for cleaner manufacturing and regulatory alignment.

Why Choose LASW6331MELC35ZB?

The LASW6331MELC35ZB positions itself as a reliable, high‑voltage snap‑in aluminum electrolytic solution for engineers who need robust ripple endurance, compact packaging, and added safety for environments subject to voltage fluctuations. Its 420 V rating, 330 µF capacitance, and validated 2000‑hour performance at 105°C make it a practical choice for power filtering and DC bus applications where long‑term stability matters.

This part is appropriate for designers seeking a balance of compact size, measurable ripple capability across frequency, and documented safety behavior—providing predictable integration and lifecycle characteristics for general‑purpose power equipment.

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