LGG2E681MELB30

The LGG2E681MELB30 is a snap-in terminal type aluminum electrolytic capacitor from Nichicon’s LGG series, offering 680 µF capacitance at a 250 V rating. Designed for general-purpose power-electronics use, it targets equipment downsizing while maintaining robust ripple handling and thermal endurance.

Key value propositions include compact φ30 × 30 mm packaging with snap-in mounting, high ripple current capability across low and high frequency ranges, RoHS compliance, and a 2000-hour endurance rating at 105°C for reliable operation in demanding environments.

Key Features

• Capacitance & Voltage — 680 µF rated capacitance at 250 V for bulk energy storage and smoothing in power rails.
• Snap-in Terminal & Package — Radial can with snap-in mounting for secure PCB retention and simplified installation; supplied in tray packing for production handling.
• High Ripple Current — Low-frequency ripple current 1.7 A (120 Hz) and high-frequency ripple current 2.55 A (100 kHz) to support switching supplies and PWM-driven loads.
• Low Leakage — Specified leakage current of 1.23 mA to minimize standby loss and maintain voltage integrity after charge.
• Thermal Endurance — Rated for 2000 hours at 105°C under DC bias plus rated ripple current, supporting long-term stability in elevated temperature environments.
• Wide Operating Range — Operating temperature from −40°C to +105°C for broad environmental suitability.
• Compact Footprint — Physical dimensions φ30 × 30 mm (L) with maximum seated height 1.181 inch, enabling smaller power-module designs.
• RoHS Compliant — Meets RoHS requirements for restricted substances.

Typical Applications

• Power Supplies — Bulk filtering and output smoothing in switch-mode power supplies where 250 V rating and high ripple capability are required.
• Industrial Power Electronics — Energy storage and decoupling for inverters, motor drives, and PWM power stages operating up to 105°C.
• Compact Equipment — Ideal for downsized equipment layouts that require a smaller case size without sacrificing ripple handling or endurance.
• General-Purpose DC Link — Use in DC link and intermediate circuits that demand moderate capacitance and high-voltage capability with reliable long-term performance.

Unique Advantages

• Balanced High-Voltage & High-Capacitance: 680 µF at 250 V provides substantial energy storage in a single compact component, reducing board-level component count.
• Robust Ripple Handling: Dual-rated ripple performance (1.7 A at 120 Hz, 2.55 A at 100 kHz) supports both line-frequency and switching-frequency applications.
• Long-Term Thermal Reliability: 2000-hour endurance at 105°C under DC bias ensures predictable capacitance, loss tangent, and leakage behavior over extended operation.
• Stable Low-Temperature Operation: Rated down to −40°C for use in environments with wide temperature swings without compromising electrical characteristics.
• Manufacturing-Friendly Packaging: Snap-in terminals and tray packing facilitate secure PCB mounting and streamlined assembly for production lines.

Why Choose LGG2E681MELB30?

LGG2E681MELB30 positions itself as a compact, durable solution for designers needing 680 µF of capacitance at 250 V with strong ripple-handling capability and extended thermal endurance. Its snap-in package and tray packing make it practical for production assembly while its −40°C to +105°C operating range and 2000-hour life at 105°C provide predictable behavior in demanding applications.

This capacitor is well suited for engineers building power supplies, industrial drives, and other general-purpose high-voltage circuits where space savings and reliable long-term performance are priorities.

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