LGN2V181MELZ30

The LGN2V181MELZ30 is an aluminum electrolytic capacitor in Nichicon’s LGN series, featuring a snap‑in terminal radial can and polarized construction. It is a smaller-sized (one rank smaller than LGU) snap‑in capacitor designed for compact, high-voltage applications.

Rated at 180 µF and 350 V with an operating temperature range of −25 °C to +105 °C, this part is specified to withstand 3000 hours of rated ripple current at 105 °C and is RoHS compliant. Its combination of high-voltage capability, ripple endurance, and compact snap‑in packaging suits general-purpose electronic equipment operating at elevated temperatures.

Key Features

• Capacitance & Voltage — 180 µF nominal capacitance with a 350 V rated voltage and capacitance tolerance of −20% to +20%.
• High‑temperature endurance — Specified to withstand 3000 hours of rated ripple current at 105 °C, supporting sustained operation in elevated-temperature environments.
• Rated ripple current — 900 mA at 120 Hz and 1.287 A at 100 kHz, enabling effective ripple handling where required by the application.
• Package & mounting — Snap‑in, radial can package with polarized terminals for secure mechanical and electrical connection in board-mounted power assemblies; size dimensions L: 3.0 × D: 2.2 cm and maximum seated height of 1.181 inch.
• Temperature range — Operating temperature range from −25 °C to +105 °C to match the part’s high-temperature endurance rating.
• Regulatory compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General-purpose electronic equipment — Suitable for electronic assemblies requiring a polarized, high-voltage snap‑in capacitor with proven high-temperature endurance.
• Power supply filtering — Used where 350 V rating and rated ripple current capability are needed to smooth and handle ripple in power rails and converters.
• Industrial power modules — Applicable in compact power modules and assemblies that require a smaller case size while maintaining high-voltage and high-temperature performance.

Unique Advantages

• Compact, snap‑in form factor — One rank smaller case than LGU provides space savings on the board while retaining snap‑in mechanical retention.
• Proven high‑temperature life — Endurance rating of 3000 hours at 105 °C under rated ripple current supports reliable operation in demanding thermal environments.
• Clear electrical sizing — 180 µF at 350 V with defined ripple current ratings (900 mA at 120 Hz, 1.287 A at 100 kHz) simplifies selection for power applications.
• Polarized radial can for robust mounting — Snap‑in radial package offers dependable board retention and straightforward installation in power assemblies.
• RoHS compliance — Meets regulatory requirements for lead‑restricted assemblies.

Why Choose LGN2V181MELZ30?

The LGN2V181MELZ30 delivers a compact, high-voltage electrolytic solution for designs that demand sustained ripple performance at elevated temperatures. Its 180 µF / 350 V rating, combined with a snap‑in radial can and 3000‑hour endurance at 105 °C, makes it well suited to general-purpose power filtering and compact power module applications where board space and thermal performance matter.

As a member of Nichicon’s LGN series, this part provides a defined set of electrical and mechanical specifications—tolerance, ripple current, operating temperature, and package dimensions—allowing engineers and procurement teams to select a capacitive solution matched to long-term operational needs.

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