LGW2G331MELB40

The LGW2G331MELB40 is a snap‑in terminal aluminum electrolytic capacitor designed for high ripple current applications at elevated temperatures. It provides 330 µF capacitance at 400 V in a radial, snap‑in can package and is intended for general‑purpose power electronics where sustained ripple endurance and high voltage capability are required.

Built for continuous operation up to 105°C, this capacitor withstands 3000 hours of rated ripple current at 105°C and is RoHS compliant.

Key Features

• Capacitance & Voltage — 330 µF nominal capacitance with a 400 V rated voltage and ±20% tolerance (–20% ~ 20%), suitable for high‑voltage filtering and energy storage within the part’s rating.
• High Ripple Current — Rated ripple current performance specified as 2.33 A at 120 Hz and 3.332 A at 50 kHz, enabling sustained AC ripple handling in demanding power circuits.
• High‑Temperature Endurance — Endurance tested for 3000 hours at 105°C with rated DC bias plus rated ripple current; capacitance, tan δ and leakage remain within the limits defined by the specification after the test.
• Thermal Range — Operating temperature range of –25°C to +105°C for the 400 V class, supporting elevated ambient and component temperatures in heavy‑duty environments.
• Electrical Reliability — Leakage current specification follows I ≤ 3√CV (µA) after 5 minutes at 20°C; tangent of loss angle (tan δ) max. 0.15 (measured at 120 Hz, 20°C) for 200–400 V group.
• Package & Mounting — Radial snap‑in can package for secure PCB retention and robust mechanical mounting; physical size listed as L: 4 × D: 3 cm.
• Compliance — Conforms to RoHS directive (2011/65/EU, (EU)2015/863), supporting regulatory requirements for restricted substances.

Typical Applications

• High‑voltage power filtering — Provides bulk capacitance and ripple handling in 400 V power rails for general‑purpose power electronics.
• DC link and energy storage — Suitable where sustained ripple endurance and elevated temperature operation are needed to support intermediate energy buffering.
• Industrial power supplies — Used in power supply smoothing and filtering stages where 400 V rating and high ripple capacity improve long‑term reliability.

Unique Advantages

• Proven high‑temperature endurance: 3000 hours at 105°C under rated ripple current demonstrates long‑term stability in elevated thermal environments.
• High ripple capability: Specified ripple current values at 120 Hz and 50 kHz support robust performance across common switching and line frequencies.
• Clear electrical limits: Leakage current and tan δ defined by industry test conditions (I ≤ 3√CV; tan δ max. 0.15 at 120 Hz) make performance predictable for design verification.
• Secure PCB mounting: Snap‑in radial can package provides reliable mechanical retention for assemblies subjected to vibration or handling.
• Regulatory compliance: RoHS conformity simplifies integration into products requiring restricted‑substance compliance.

Why Choose LGW2G331MELB40?

The LGW2G331MELB40 combines a 400 V rating and 330 µF capacitance with high ripple current capability and validated endurance at 105°C, making it a practical choice for designers who need reliable, long‑life electrolytic bulk capacitance in high‑voltage power applications. Its snap‑in can package and defined electrical limits help streamline mechanical integration and verification in production designs.

This part is suited to engineers and procurement teams designing or supporting general‑purpose power electronics that require sustained performance under elevated temperature and ripple stress, backed by Nichicon’s published specification limits and RoHS compliance.

To request pricing or submit a quote request for the LGW2G331MELB40, please contact sales or request a formal quote with your quantity and delivery requirements.