LGR2E122MELC50

The LGR2E122MELC50 is a snap-in, radial-can aluminum electrolytic capacitor from Nichicon’s LGR long-life series. It delivers 1.2 mF capacitance at a 250 V rating with polarized construction and a snap-in mounting intended for robust board retention.

Designed for general-purpose power applications, this part combines long-life endurance—specified for 10,000 hours at 105°C under rated ripple current—with RoHS-compliant construction to provide reliable bulk energy storage and filtering in demanding temperature environments.

Key Features

• Long-life endurance — Engineered to withstand 10,000 hours of rated ripple current at 105°C, supporting extended operational life in high-temperature applications.
• High-temperature operation — Rated for operation from −40°C to +105°C to maintain performance across a wide ambient range.
• Robust electrical characteristics — 1.2 mF capacitance at 250 V with ±20% tolerance and polarized construction for reliable bulk capacitance and energy storage.
• Designed for ripple handling — Rated ripple current of 2.3 A at 120 Hz and 3.45 A at 50 kHz provides effective AC ripple absorption; frequency coefficients (series data) allow scaling ripple performance across frequencies.
• Snap-in radial can package — Snap-in terminals offer stable mechanical retention for vertical PCB mounting and simplified assembly.
• Leakage and dissipation guidance — Series specifications define leakage current limits (I ≤ 3√CV μA after 5 minutes at 20°C) and tan δ limits for predictable loss behavior.
• RoHS compliant — Conforms to the RoHS directive (2011/65/EU, (EU)2015/863) for restricted substances.

Typical Applications

• Power supplies and converters — Bulk energy storage and input/output filtering where 250 V rating and high ripple current capability reduce DC bus ripple and stabilize supply rails.
• Industrial equipment — Long-life operation at elevated temperatures makes this part suitable for control and power modules in industrial systems.
• UPS and power conditioning — High capacitance and ripple handling support energy buffering and smoothing in uninterruptible power and conditioning circuits.

Unique Advantages

• Proven long-life performance — Specified endurance of 10,000 hours at 105°C under rated ripple current provides designers with a measurable reliability target for high-temperature applications.
• High ripple capability — Explicit ripple current ratings at both 120 Hz and high frequency (50 kHz) enable accurate thermal and lifetime calculations for varying switching frequencies.
• Compact radial snap-in form — Radial, can-style snap-in packaging balances high capacitance with secure PCB mounting for demanding assemblies.
• Predictable electrical limits — Defined leakage current formula and tan δ limits support engineering verification and quality control during design and production.
• Regulatory compliance — RoHS conformity simplifies material compliance in commercial and industrial product lines.

Why Choose LGR2E122MELC50?

The LGR2E122MELC50 is positioned for designs that require substantial bulk capacitance, robust ripple handling, and validated long-life operation at elevated temperatures. Its 250 V rating and 1.2 mF capacitance make it suitable for mid-to-high-voltage power systems where stability and longevity are priorities.

This part is a practical choice for engineers and procurement teams building power supplies, industrial converters, and backup power systems that demand predictable lifetime behavior, clear electrical limits, and RoHS-compliant materials backed by Nichicon’s LGR series specifications.

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