LGU2P681MELB

The LGU2P681MELB is a snap-in, radial can aluminum electrolytic capacitor designed for general-purpose power applications. It offers 680 µF capacitance at a 220 V rating with a wide operating temperature range of −40°C to 105°C and endurance specified for 3000 hours at 105°C.

Engineered for high ripple environments, this capacitor combines a compact φ30×35 mm can with robust ripple-current handling and verified electrical characteristics such as low-frequency and high-frequency ripple current ratings, controlled leakage, and a defined tanδ at measurement conditions.

Key Features

• Capacitance & Tolerance — 680 µF nominal capacitance with ±20% tolerance at 120 Hz, 20°C, suitable for bulk smoothing and energy storage.
• Rated Voltage — 220 V DC rating for medium-voltage power applications.
• High-Temperature Endurance — Rated for 3000 hours at 105°C under DC bias plus rated ripple current, with defined limits for capacitance change, tanδ and leakage after endurance testing.
• Ripple Current Capability — Low-frequency ripple current of 1.78 A (120 Hz) and high-frequency ripple current of 2.67 A (50 kHz), with frequency coefficients provided for the 160–250 V range that increase allowable ripple at higher frequencies.
• Loss Angle (tan δ) — tan δ specified as 0.15 (measured at 120 Hz, 20°C) for the 160–420 V voltage category, supporting predictable dissipation characteristics.
• Leakage Current — Specified leakage current of 1160 µA (measured after rated voltage applied at 20°C), enabling predictable stand-by and idle losses.
• Package & Mounting — Snap-in, radial can (φ30 × 35 mm) for secure board mounting and easy installation in power assemblies.
• Environmental Compliance — RoHS compliant.

Typical Applications

• Power Supply Bulk Filtering — Provides bulk capacitance and smoothing for DC rails where 220 V rating and 680 µF capacity are required.
• Industrial Power Control — Suited for control and power modules that operate across −40°C to 105°C and require sustained ripple handling at elevated temperatures.
• DC Link / Energy Storage — Acts as a local energy reservoir in medium-voltage converter assemblies requiring stable capacitance and defined endurance.
• UPS and Power Conditioning — Useful for intermediate energy storage and ripple attenuation in uninterruptible power and conditioning systems.

Unique Advantages

• Long-Term High-Temperature Reliability — Endurance rating of 3000 hours at 105°C under rated ripple current gives predictable long-term performance in hot operating environments.
• High Ripple Handling Across Frequencies — Specified ripple current values at 120 Hz and 50 kHz, plus frequency coefficients for the 160–250 V range, enable designers to size capacitors with confidence for both low- and high-frequency ripple.
• Stable Dissipation Characteristics — tan δ specified at 0.15 (120 Hz, 20°C) supports predictable heating and loss calculations in thermal designs.
• Compact Snap-In Form Factor — φ30 × 35 mm snap-in can provides a space-efficient radial mounting option for power assemblies while simplifying PCB retention.
• RoHS Compliance — Meets RoHS directive requirements for lead-free environmental compliance.

Why Choose LGU2P681MELB?

LGU2P681MELB is positioned for engineers seeking a reliable, general-purpose snap-in electrolytic capacitor that balances capacitance, voltage rating and sustained ripple performance at elevated temperatures. Its 220 V rating, 680 µF capacity, and 3000-hour endurance at 105°C make it well suited to medium-voltage power assemblies and industrial applications that require predictable electrical behavior over time.

With defined tanδ and leakage limits, plus frequency-specific ripple handling data for the 160–250 V class, this capacitor lets designers perform accurate thermal and lifetime calculations and integrate a compact radial, snap-in solution into robust power designs.

Request a quote or submit an inquiry to receive pricing, lead-time and availability information for LGU2P681MELB. Our team can assist with volume requirements and technical questions to support your design and procurement process.