LGG2E122MELB45

The LGG2E122MELB45 is a snap-in, radial can aluminum electrolytic capacitor from Nichicon’s LGG series, delivering 1200 μF capacitance at a 250 V rating. Designed for general-purpose power applications, it provides high ripple handling and a compact footprint for equipment downsizing.

Built for robust thermal performance, this part is rated for operation from –40°C to +105°C with a 2000 hour endurance at 105°C under DC bias plus rated ripple current, making it suitable for demanding power-filtering and energy-storage roles in industrial and electronic systems.

Key Features

• Capacitance & Voltage — 1200 μF nominal capacitance with ±20% tolerance at a 250 V rated voltage for bulk energy storage and smoothing.
• High Ripple Capability — Handles 2.3 A at 120 Hz (low frequency) and 3.45 A at 100 kHz (high frequency), supporting heavy ripple environments.
• Thermal & Endurance — Operating temperature range –40°C to +105°C with a 2000 h endurance rating at 105°C when subjected to DC bias plus rated ripple current.
• Leakage & Polarization — Polarized aluminum electrolytic device with specified leakage current of 1640 μA after rated voltage application.
• Compact Snap-in Package — Radial, can-style snap-in mounting in a φ30 × 45 mm case for secure board attachment and space-efficient layouts.
• Compliance — RoHS compliant construction.
• Series Advantage — LGG series is specified as 105°C Ultra-Smaller-Sized and is one rank smaller in case size than the LGN series, aiding equipment downsizing.

Typical Applications

• Power supply smoothing — Bulk filtering and decoupling in AC/DC and DC/DC converters where 250 V rating and high ripple current are required.
• Industrial power electronics — Energy storage and ripple damping in motor drives, control cabinets, and industrial power modules operating up to 105°C.
• General-purpose electronic systems — DC link, bulk capacitor, and smoothing roles in systems requiring polarized, high-capacitance components with snap-in mounting.

Unique Advantages

• High-capacitance at elevated voltage: 1200 μF at 250 V provides substantial bulk energy storage in a single component.
• Strong ripple performance: Rated for 2.3 A (120 Hz) and 3.45 A (100 kHz) ripple currents to support demanding filtering tasks.
• Compact, space-saving package: φ30 × 45 mm snap-in can reduces board footprint and simplifies secure mounting for high-current applications.
• Extended thermal endurance: 2000 h at 105°C under rated conditions supports long-term stability in high-temperature environments.
• Series optimization for downsizing: LGG series offers an ultra-smaller-sized option compared to LGN, helping reduce overall equipment size.
• Regulatory compliance: RoHS compliant for use in regulated production environments.

Why Choose LGG2E122MELB45?

LGG2E122MELB45 combines high capacitance and a 250 V rating with robust ripple-handling and a compact snap-in package, making it a practical choice for engineers specifying bulk energy storage and smoothing capacitors in constrained spaces. Its 2000 hour endurance at 105°C and specified leakage performance provide predictable behavior under long-term thermal stress.

This capacitor is well suited to designers and procurement teams building industrial power supplies, control systems, and other general-purpose electronic equipment that require reliable high-voltage capacitance and a board-friendly snap-in mounting solution.

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