LGN2E122MELB45

The LGN2E122MELB45 is a snap‑in terminal aluminum electrolytic capacitor designed for general‑purpose power applications. It is a smaller‑sized member of Nichicon's LGN series, offering 1.2 mF capacitance at a 250 V rating with polarized snap‑in mounting.

Engineered for elevated operating temperatures, this part withstands rated ripple current for 3000 hours at 105°C and is RoHS compliant, making it suitable for compact power‑filtering and energy‑storage roles in industrial and commercial equipment.

Key Features

• Capacitance & Voltage — 1.2 mF capacitance rated at 250 V for bulk filtering and energy storage in power systems.
• High‑temperature Endurance — Rated for operation up to 105°C and specified to withstand 3000 hours application of rated ripple current at 105°C.
• Ripple Current Capability — Rated ripple current of 2.3 A at 120 Hz and 3.45 A at 100 kHz to support continuous filtering under AC ripple conditions.
• Compact Snap‑in Package — Radial can with snap‑in terminals and physical dimensions L: 4.5 × D: 3 cm, enabling secure chassis mounting in confined assemblies.
• Operating Range & Tolerance — Polarized device with operating temperature −40°C to +105°C and capacitance tolerance ±20%.
• Leakage Current Specified — Leakage current per datasheet: I ≤ 3/√(μA) after 5 minutes’ application of rated voltage at 20°C.
• Regulatory Compliance — Compliant to the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Power Supply Bulk Filtering — Provides bulk capacitance and ripple smoothing for commercial and industrial power supplies.
• DC Link and Energy Storage — Used for local energy storage and DC link stabilization where compact, high‑temperature parts are required.
• Industrial Control Equipment — Fits compact chassis designs that require secure snap‑in mounting and extended high‑temperature endurance.

Unique Advantages

• Compact footprint — One rank smaller case size than LGU, enabling denser layouts without sacrificing capacitance.
• High‑temperature reliability — Rated endurance of 3000 hours at 105°C under rated ripple current supports long service life in hot environments.
• Robust ripple handling — Specified ripple current at both low and high frequencies supports versatile power‑conditioning roles.
• Secure mechanical mounting — Snap‑in radial can ensures reliable attachment for chassis or module installations.
• Regulatory assurance — RoHS compliance for designs that require restricted‑substance conformity.

Why Choose LGN2E122MELB45?

LGN2E122MELB45 delivers a balance of capacitance, voltage rating and thermal endurance in a compact snap‑in package suited to general‑purpose power designs. As part of Nichicon's LGN series, it aligns with a family that spans rated voltages from 160 V to 600 V and capacitances from 56 μF to 3300 μF, enabling designers to scale across related form factors and performance points.

This capacitor is a practical choice for engineers specifying robust bulk capacitance and ripple capability where space is constrained and elevated operating temperatures are expected. Its combination of snap‑in mounting, clear electrical ratings and RoHS compliance supports reliable, maintainable assemblies in commercial and industrial applications.

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