LGX2D681MELB30

The LGX2D681MELB30 is an aluminum electrolytic capacitor in a snap-in radial can designed for general-purpose power electronics. It delivers 680 µF nominal capacitance at a 200 V rating and is targeted at rectifier and power-supply applications requiring extended high-temperature endurance.

Built for long-life operation, this smaller-sized snap-in capacitor supports continuous ripple current handling and is compliant with RoHS. Its construction and specifications emphasize reliability in inverter and switching power supply environments.

Key Features

• Dielectric / Type — Aluminum electrolytic capacitor with polarized terminals optimized for power applications.
• Capacitance & Voltage — 680 µF nominal capacitance with a 200 V rated voltage and capacitance tolerance of ±20% (120 Hz, 20°C).
• Mounting & Package — Snap-in terminal, radial can (snap-in) package in a smaller-sized footprint: approximately 30 × 30 mm (L × D).
• High-temperature Endurance — Designed for 5000 hours of operation at 105°C under rated ripple current, supporting long-life applications.
• Operating Temperature Range — −25°C to 105°C, suitable for a wide range of industrial power environments.
• Ripple Current Capability — Rated ripple current: 1.98 A at 120 Hz and 2.97 A at 50 kHz, enabling effective smoothing in rectifier and converter circuits.
• Leakage Current Specification — Leakage current meets I ≤ 3√(C·V) (µA) after 5 minutes’ application of rated voltage at 20°C as specified in the datasheet.
• Regulatory — Compliant with RoHS directives.

Typical Applications

• Inverters — Bulk and smoothing capacitor in rectifier stages of general inverter designs where sustained high-temperature operation is required.
• Switching Power Supplies — Filtering and energy-storage capacitor for switching regulators and power-supply circuits handling significant ripple current.
• Rectifier Circuits — DC smoothing and ripple suppression in rectifier outputs for industrial and general-purpose power electronics.
• General Power Electronics — Use wherever a compact, high-voltage polarized capacitor with long-life at elevated temperatures is needed.

Unique Advantages

• Long-life high-temperature rating: Endurance specified at 5000 hours at 105°C provides predictable aging and reliability for sustained operation.
• High voltage capability: 200 V rating supports applications requiring elevated DC bus voltages without changing capacitor topology.
• Compact snap-in package: Smaller-sized 30 × 30 mm radial can with snap-in terminals simplifies board assembly for power modules and reduces required PCB area.
• Measured ripple performance: Ripple current ratings of 1.98 A (120 Hz) and 2.97 A (50 kHz) allow effective ripple handling across common power-conversion frequencies.
• Verifiable leakage specification: Leakage current limit defined by I ≤ 3√(C·V) after voltage application offers a clear acceptance criterion during incoming inspection.
• RoHS compliance: Meets RoHS directive requirements for use in modern, regulated electronic products.

Why Choose LGX2D681MELB30?

The LGX2D681MELB30 positions itself as a reliable, long-life aluminum electrolytic solution for power-electronics designs that require a compact, high-voltage snap-in capacitor. Its combination of 680 µF capacitance, 200 V rating, defined ripple-current capability, and 5000-hour endurance at 105°C makes it suitable for inverter rectifiers, switching supplies, and general-purpose power modules where predictable high-temperature performance matters.

This part is ideal for engineers and procurement teams looking for a RoHS-compliant, polarized snap-in capacitor with clear electrical and life specifications for industrial and general power-electronic systems.

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