LGR2E331MELB25

The LGR2E331MELB25 from Nichicon is a snap-in terminal aluminum electrolytic capacitor in the LGR long-life series. It delivers 330 µF at a rated voltage of 250 V in a radial, can-style snap-in package designed for general-purpose power applications.

Built for sustained operation at elevated temperatures, this part is specified for 10,000 hours at 105°C and is RoHS compliant, offering long-term ripple handling and stability for industrial and power-electronics designs.

Key Features

• Capacitance & Voltage — 330 µF nominal capacitance with a rated voltage of 250 V and tolerance of ±20% (–20% ~ 20%).
• High-Temperature Long Life — Endurance specified as 10,000 hours at 105°C when subjected to D.C. bias plus rated ripple current; capacitance change is within ±25% after the test.
• Ripple Current Performance — Rated ripple current of 1.2 A at 120 Hz and 1.8 A at 50 kHz, with frequency coefficients available for 200–250 V that define ripple scaling across frequency.
• Temperature Range & Low-Temperature Stability — Operating range of –40°C to +105°C; impedance ratios specified for low-temperature performance (Z(–25°C)/Z(+20°C) ≤ 3 and Z(–40°C)/Z(+20°C) ≤ 12 for 200/250 V ratings).
• Package & Mounting — Radial, can-style snap-in package for secure panel or chassis mounting; size dimension L: 2.5 × D: 3 cm.
• Electrical Quality — Tangent of loss angle (tan δ) max 0.15 for rated voltages in the 200–400 V range; leakage current specified as I ≤ 3√(C·V) μA after 5 minutes at 20°C.
• Environmental Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Power Supply Filtering — Bulk and smoothing capacitor in general-purpose power supplies where 250 V rating and high ripple handling are required.
• Industrial Power Electronics — Energy buffering and ripple absorption in industrial controllers and power modules needing long life at elevated temperatures.
• DC Link and Energy Storage — Local energy storage and decoupling in systems that demand sustained ripple current capability and thermal endurance.

Unique Advantages

• Validated Long-Life Performance: Endurance testing of 10,000 hours at 105°C provides measurable lifetime data for design planning and reliability targets.
• Frequency-Scaled Ripple Capability: Frequency coefficients for 200–250 V allow designers to calculate ripple ratings across 50 Hz to 50 kHz, matching the provided 1.2 A (120 Hz) and 1.8 A (50 kHz) values.
• Robust Thermal Range: –40°C to +105°C operating range with specified low-temperature impedance ratios supports wider ambient conditions without unexpected impedance growth.
• Secure Snap-In Mounting: Radial snap-in terminals simplify mechanical retention for chassis and board-mounted power assemblies.
• Measured Electrical Limits: Clear specifications for tan δ and leakage current (I ≤ 3√CV μA) enable conservative derating and acceptance criteria in qualification testing.
• RoHS Compliance: Meets current RoHS requirements for materials compliance in commercial and industrial products.

Why Choose LGR2E331MELB25?

The LGR2E331MELB25 combines a high-voltage 250 V rating with a substantial capacitance of 330 µF and validated long-life endurance at 105°C, making it a practical choice where sustained ripple handling and thermal endurance are required. Its snap-in radial can package and defined electrical limits (leakage, tan δ, frequency coefficients) provide clear parameters for system-level thermal and reliability planning.

This part is well suited to engineers designing general-purpose power electronics and industrial power systems who need a proven electrolytic solution with documented lifetime and ripple characteristics, RoHS compliance, and straightforward mechanical mounting.

Request a quote or submit an inquiry for LGR2E331MELB25 to discuss pricing, lead times, and availability for your design or production requirements.