LGL2W331MELA45

The LGL2W331MELA45 is a snap-in terminal aluminum electrolytic capacitor from Nichicon’s LGL series. It provides 330 µF capacitance at a rated voltage of 450 V in a compact φ25 × 45 mm radial can designed for mass production and tray packing.

Intended for general-purpose use, this capacitor combines high-voltage capability, extended high-temperature endurance and secure snap-in mounting for power electronics assemblies that require bulk energy storage and filtering at elevated temperatures.

Key Features

• Electrical Performance — 330 µF nominal capacitance with ±20% tolerance and polarized construction, rated for 450 V operation.
• High-Temperature Endurance — Designed for operation from −25°C to +105°C with an endurance rating of 2000 hours at 105°C under D.C. bias plus rated ripple current.
• Ripple Current Capability — Rated ripple current performance includes 1.12 A at 120 Hz and 1.602 A at 50 kHz, with frequency coefficients provided for other test frequencies.
• Leakage and Loss Characteristics — Leakage current specification follows I ≤ 3√CV (μA) after 5 minutes at 20°C; tan δ maximum 0.20 at 450 V (measured at 120 Hz, 20°C).
• Mechanical & Mounting — Snap-in terminal radial can package (φ25 × 45 mm) suitable for secure PCB insertion; supplied in tray packing for mass production handling.
• Stability & Reliability — Endurance and shelf-life conditions ensure capacitance change within ±20% and leakage current within initial specified limits after test periods described in the datasheet.

Typical Applications

• General-purpose power circuits — Suitable where a 450 V, 330 µF snap-in electrolytic capacitor is required for bulk filtering and energy storage.
• Industrial power electronics — Applicable in assemblies that operate up to 105°C and require long-term endurance under D.C. bias and ripple current.
• High-voltage smoothing and filtering — Used to smooth high-voltage rails and absorb ripple in power conversion stages within its rated voltage and ripple limits.
• High-volume production assemblies — Tray packing and snap-in format support automated handling and repeated insertion in mass production environments.

Unique Advantages

• 450 V rating: Enables use on higher-voltage rails without series stacking, simplifying design for 400–450 V systems.
• Extended high-temperature life: 2000 hours at 105°C provides predictable performance for designs exposed to elevated operating temperatures.
• Compact snap-in form factor: φ25 × 45 mm radial can with snap-in terminals delivers a small footprint combined with secure mechanical retention on the PCB.
• Measured ripple performance: Specified ripple currents at 120 Hz and 50 kHz and published frequency coefficients allow designers to size capacitors against expected ripple profiles.
• Quantified leakage and dissipation: Leakage current formula and tan δ limits enable straightforward validation against system leakage and loss budgets.
• Production-friendly packaging: Tray packing supports automated assembly and inventory handling for mass-production projects.

Why Choose LGL2W331MELA45?

The LGL2W331MELA45 delivers a balanced combination of high-voltage capability, compact snap-in packaging and defined endurance at elevated temperatures. Its published ripple current ratings, leakage limits and loss angle specifications make it practical to quantify performance in power-electronics designs.

This part is well suited for engineers specifying a 450 V, 330 µF electrolytic capacitor for general-purpose power filtering and bulk storage in production environments that require tray-packed components and reliable long-term performance at up to 105°C.

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