LGR2E681MELB45

The LGR2E681MELB45 is a Nichicon LGR series aluminum electrolytic capacitor in a snap-in terminal (radial can) package, specified for long-life operation. It delivers 680 µF at 250 V with polarization and is intended for general-purpose power applications requiring sustained performance at elevated temperature.

Built to the LGR long-life specification, the series endures 10,000 hours of ripple-current application at 105°C and is RoHS compliant, providing a practical solution for designs that need durable bulk capacitance and dependable ripple handling in 250 V circuits.

Key Features

• Capacitance & Rated Voltage — 680 µF nominal capacitance at a rated voltage of 250 V, providing substantial bulk energy storage for mid-voltage power rails.
• Long-Life Endurance — Part of the LGR long-life series rated to withstand 10,000 hours of ripple-current application at 105°C, with specified limits for capacitance change, tan δ and leakage after endurance testing.
• Operating Temperature Range — Specified for −40 °C to +105 °C operation, supporting a wide range of industrial environments.
• Ripple Current Performance — Rated ripple current of 1.7 A at 120 Hz and 2.55 A at 50 kHz, enabling reliable performance under continuous AC ripple stress in power electronics applications.
• Mounting & Package — Snap-in terminal (radial can) package for secure board mounting and straightforward assembly in power racks and modules.
• Physical Size — Compact footprint with dimensions L: 4.5 × D: 3 cm and a maximum seated height of 1.772 inches for predictable mechanical integration.
• Tolerance & Polarization — Capacitance tolerance of −20% to +20%, polarized construction for correct orientation in DC power circuits.
• Environmental Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).
• Leakage Current Specification — Meets the series leakage-current limit defined as I ≤ 3√(C·V) (µA) after 5 minutes at 20 °C as stated in the datasheet.

Typical Applications

• General-purpose power electronics — Bulk filtering and smoothing in 250 V DC circuits where 680 µF capacitance and long-life ripple endurance are required.
• Industrial power supplies — Energy storage and ripple suppression in mid-voltage supplies operating across −40 °C to +105 °C ambient ranges.
• Power conversion modules — Support for DC bus decoupling and ripple handling in modular converters that benefit from snap-in mounting and long-term thermal endurance.

Unique Advantages

• Extended high-temperature lifetime — Specified 10,000-hour endurance at 105 °C provides designers with predictable aging behavior under high-stress conditions.
• Verified ripple capability — Documented ripple-current ratings at both low and high frequencies (1.7 A at 120 Hz; 2.55 A at 50 kHz) give clear limits for thermal and electrical design margins.
• Secure snap-in mounting — Radial snap-in can simplifies mechanical retention and assembly in power modules and chassis-mounted boards.
• Wide operating temperature — −40 °C to +105 °C range supports a variety of industrial environments without sacrificing electrical stability.
• Predictable electrical limits — Capacitance tolerance of ±20% and a defined leakage-current formula (I ≤ 3√CV) enable accurate BOM and reliability planning.
• RoHS compliant — Meets contemporary environmental regulations for reduced hazardous substances.

Why Choose LGR2E681MELB45?

The LGR2E681MELB45 combines substantial capacitance (680 µF) and a 250 V rating with the LGR series’ long-life endurance at 105 °C, making it suitable for designs that require reliable bulk capacitance and sustained ripple handling over extended operating periods. Its snap-in radial can package and defined electrical limits simplify mechanical integration and reliability forecasting.

This part is well suited to engineers and procurement teams specifying durable, RoHS-compliant electrolytic capacitors for general-purpose power electronics, industrial supplies, and power conversion modules where long-term thermal endurance and predictable ripple performance matter.

If you would like pricing, lead-time details, or assistance with availability and sample requests for LGR2E681MELB45, request a quote or contact sales to discuss your requirements and next steps.