LGW2W121MELZ35

The LGW2W121MELZ35 is a Nichicon LGW-series aluminum electrolytic capacitor in a snap-in terminal radial can. It provides 120 µF capacitance at a 450 V rating with polarized construction and ±20% tolerance for general-purpose applications.

Designed for high ripple-current environments, this part is specified for operation up to 105°C and is rated to withstand 3000 hours of rated ripple current at 105°C, delivering reliable bulk capacitance in demanding thermal and electrical conditions.

Key Features

• Electrical Performance: 120 µF nominal capacitance at 450 V with ±20% tolerance; polarized design for high-voltage DC applications.
• High Ripple Current Capacity: Specified ripple current of 1.15 A at 120 Hz and 1.645 A at 50 kHz, and qualified to withstand rated ripple current for 3000 hours at 105°C.
• Thermal and Endurance: Operating temperature range of −25°C to +105°C and endurance validated by 3000 hours at 105°C under rated ripple-plus-DC bias.
• Package & Mounting: Radial, can-style snap-in terminal package for secure board mounting; physical size L: 3.5 cm × D: 2.2 cm and maximum seated height 1.378 inch.
• Compliance: RoHS compliant.

Typical Applications

• General-purpose industrial electronics — Provides high-voltage bulk capacitance and ripple-current handling for equipment requiring robust DC filtering.
• Power conversion modules — Sized and specified for applications that need sustained ripple endurance at elevated temperatures.
• High-voltage DC circuits — Polarized 450 V rating and high ripple capability support bulk energy storage and smoothing in 200–450 V system ranges.

Unique Advantages

• Proven ripple endurance: Rated to withstand 3000 hours at 105°C with rated ripple current applied, supporting long-term reliability in high-stress environments.
• High-voltage capability: 450 V rating provides headroom for high-voltage DC bus and power-electronics applications.
• Compact snap-in form factor: Radial snap-in can enables secure PCB mounting while minimizing board footprint (L: 3.5 × D: 2.2 cm).
• Frequency-rated ripple data: Published ripple current values at 120 Hz and 50 kHz allow designers to size capacitors against measured ripple conditions.
• Wide operating temperature: −25°C to +105°C rating supports deployment in thermally challenging assemblies.

Why Choose LGW2W121MELZ35?

LGW2W121MELZ35 combines high-voltage (450 V) capacitance with specified high ripple-current capability and long-duration endurance at 105°C, making it a practical choice where sustained DC smoothing and thermal reliability are required. Its snap-in radial can package and compact dimensions suit designs that need secure board mounting without sacrificing bulk capacitance.

This part is appropriate for engineers and procurement teams building or maintaining power conversion, DC bus smoothing, and other general-purpose high-voltage electronics that require verifiable endurance, published ripple limits, and RoHS compliance backed by Nichicon's LGW-series specifications.

Request a quote or contact sales to obtain pricing, availability, and lead-time information for the LGW2W121MELZ35.