LGN2H121MELA35

The LGN2H121MELA35 is a snap-in terminal aluminum electrolytic capacitor designed for general-purpose high-voltage applications. It pairs a 120 µF capacitance with a 500 V rated voltage in a radial, can-style snap-in package optimized for compact installations.

Engineered for elevated-temperature operation, this part is specified for operation to 105°C with endurance testing that withstands 3000 hours of rated ripple current at 105°C, offering a reliable option for power and energy-storage tasks in systems that require high-voltage capability and long-term stability.

Key Features

• Capacitance & Voltage — 120 µF nominal capacitance rated at 500 V for high-voltage smoothing and energy storage applications.
• High-Temperature Endurance — Specified operating temperature range to 105°C with endurance performance validated for 3000 hours at 105°C under DC bias plus rated ripple current.
• Ripple Current Capability — Rated ripple currents of 680 mA at 120 Hz and 972.4 mA at 100 kHz, supporting AC ripple handling across common power frequencies.
• Compact Snap-In Package — Radial, can-style snap-in mounting for secure PCB retention and straightforward assembly; one rank smaller case size than the LGU series for space-constrained designs.
• Tolerance & Polarity — ±20% capacitance tolerance and polarized construction; suitable for polarized DC circuits.
• RoHS Compliant — Meets RoHS directive (2011/65/EU, (EU)2015/863) requirements.

Typical Applications

• High‑voltage power supplies — Provides bulk capacitance and ripple smoothing for 500 V DC bus and high-voltage supply sections.
• Industrial power electronics — Suited for use where elevated operating temperature and sustained ripple endurance are required.
• DC link and energy storage — Supports DC link smoothing and short-duration energy buffering in compact assemblies.

Unique Advantages

• 500 V rating for high-voltage designs: Enables usage in systems requiring elevated DC voltage capability without series stacking.
• Proven high-temperature life: Endurance tested for 3000 hours at 105°C under rated ripple current, providing predictable long-term behavior in hot operating environments.
• Dual-frequency ripple data: Specified ripple current at both 120 Hz and 100 kHz to help designers evaluate performance across application-relevant frequencies.
• Space-saving form factor: One rank smaller case than the LGU series helps reduce board area while retaining high-voltage performance.
• Snap-in mounting: Robust mechanical retention simplifies assembly and ensures reliable PCB attachment for radial can installations.
• RoHS compliance: Meets current RoHS directives for environmentally conscious designs.

Why Choose LGN2H121MELA35?

The LGN2H121MELA35 positions itself as a dependable, general-purpose solution for engineers who need a compact, high-voltage electrolytic capacitor with validated high-temperature endurance. Its combination of 120 µF capacitance, 500 V rating, and measured ripple capabilities makes it a practical choice for power supplies, DC links, and industrial power electronics where thermal stress and ripple loading are design drivers.

Designed for teams prioritizing long-term stability and straightforward installation, this part offers measurable endurance data, a smaller case profile compared to related series, and snap-in mounting for reliable board retention—providing predictable performance and ease of integration into high-voltage assemblies.

If you would like pricing or availability, request a quote or contact sales to discuss your requirements and receive a customized quotation.