LGR2W121MELB30

The LGR2W121MELB30 is a snap-in terminal aluminum electrolytic capacitor designed for general-purpose use. It combines a 120 µF capacitance with a 450 V rating in a radial, can-style snap-in package intended for robust, high-voltage applications.

Engineered for long-life operation, this part is specified for 10,000 hours at 105°C and is RoHS compliant—delivering durable high-temperature performance with mounting convenience for PCB assembly.

Key Features

• Electrical Performance — 120 µF nominal capacitance with ±20% tolerance and polarization specified for applications requiring a high-voltage electrolytic solution at 450 V.
• High Voltage Rating — 450 V rated voltage suitable for circuits that require elevated DC voltage capability.
• Thermal and Long-Life Assurance — Operating temperature range of −25°C to +105°C with endurance guaranteed for 10,000 hours at 105°C under rated ripple conditions.
• Ripple Handling — Rated ripple currents of 720 mA at 120 Hz and 1.03 A at 50 kHz provide defined AC performance across low and high frequencies.
• Leakage and Dissipation Characteristics — Leakage current defined by I ≤ 3√CV (μA) after 5 minutes at 20°C; tan δ maximum 0.20 at the 450 V rating (measured at 120 Hz, 20°C).
• Mounting and Package — Snap-in terminal, radial can package for secure PCB installation; physical size approximately L: 3 × D: 3 cm with seated height up to 1.181 inch.
• Compliance — RoHS compliant as specified in the product information.

Typical Applications

• General-purpose power systems — Provides bulk capacitance and high-voltage capability where a 120 µF, 450 V electrolytic is required for energy storage or smoothing.
• Industrial equipment — Suitable for designs that demand long-life, high-temperature performance up to 105°C with robust ripple handling.
• High-voltage assemblies — Useful in assemblies that require a snap-in, radial can capacitor with clear leakage and tan δ specifications for predictable behavior.

Unique Advantages

• Long-life reliability: Specified endurance of 10,000 hours at 105°C ensures predictable aging and maintenance planning for high-temperature applications.
• High-voltage capability: 450 V rating enables use in higher-voltage circuits without overspecifying components.
• Defined ripple performance: Published ripple current values at 120 Hz and 50 kHz let designers size thermal and ripple limits accurately.
• Snap-in mounting: Radial, can snap-in package provides a secure, board-level mechanical connection for assembly and serviceability.
• Measured electrical limits: Clear leakage current formula and tan δ maximum provide verifiable criteria for selection and quality checks.
• Regulatory compliance: RoHS compliance supports regulatory and environmental requirements for commercial and industrial products.

Why Choose LGR2W121MELB30?

The LGR2W121MELB30 positions itself as a purpose-driven, high-voltage aluminum electrolytic capacitor for designers needing a long-life, high-temperature snap-in solution. Its combination of 120 µF capacitance, 450 V rating, and a 10,000-hour endurance at 105°C makes it suitable for sustained operation in demanding environments where predictable ripple and leakage behavior are required.

This part is well suited for engineers and buyers specifying capacitors for high-voltage general-purpose systems—offering verifiable electrical limits, a robust snap-in package, and RoHS compliance for streamlined integration and regulatory alignment.

If you would like pricing or availability information, request a quote or submit a quotation request to our sales team for the LGR2W121MELB30 and include your required quantities and delivery timeframe.