LGU1C393MELC

The LGU1C393MELC is a snap-in terminal aluminum electrolytic capacitor from Nichicon's LGU series, offering 39,000 µF capacitance at a 16 V rating. It combines high bulk capacitance with a snap-in radial can package for general-purpose power applications.

Key characteristics include a wide operating temperature range of −40 °C to 105 °C, designed endurance of 3,000 hours at 105 °C under rated ripple conditions, and RoHS compliance—making it suitable for equipment that requires sustained ripple handling and long-term thermal endurance.

Key Features

• High Capacitance: 39,000 µF (39 mF) nominal capacitance provides substantial bulk energy storage for smoothing and hold-up applications.
• Rated Voltage: 16 V DC rating suitable for low-voltage power rails and DC bus applications requiring large capacitance.
• Ripple Current Performance: Low-frequency ripple current of 4.8 A at 120 Hz and high-frequency ripple current of 5.52 A at 50 kHz to support continuous AC ripple handling.
• Endurance at Elevated Temperature: Specified for 3,000 hours at 105 °C with rated ripple current applied, meeting LGU series endurance criteria for sustained high-temperature operation.
• Electrical Loss and Leakage: tan δ (loss tangent) specified at 0.50 (measurement: 20 °C, 120 Hz) and leakage current listed as 2,360 µA, enabling predictable loss and leakage behavior in designs.
• Temperature Range: Operating range −40 °C to 105 °C for use across a wide ambient envelope.
• Package & Mounting: Snap-in radial can (φ35 × 40L) designed for secure PCB retention; supplied in tray packing and available in mass production.
• Regulatory Compliance: RoHS compliant per the supplied product information.

Typical Applications

• Power supply bulk filtering: Large capacitance and rated ripple current make this capacitor appropriate for bulk smoothing and hold-up in low-voltage power supplies.
• Industrial power modules: Snap-in radial mounting and elevated temperature endurance support integration into industrial control and power distribution modules.
• Backup and hold-up circuits: High capacitance density and defined leakage performance suit short-term energy storage and hold-up functions.

Unique Advantages

• Substantial energy storage: 39,000 µF at 16 V provides significant capacitance in a compact φ35 × 40L can for designs needing bulk capacitance.
• High ripple capability: Rated for 4.8 A (120 Hz) and 5.52 A (50 kHz) ripple currents, enabling continuous ripple handling in active power systems.
• Long high-temperature life: Endurance specified as 3,000 hours at 105 °C under rated ripple conditions, offering predictable lifecycle performance in hot environments.
• Robust operating range: −40 °C to 105 °C operation accommodates a broad set of ambient conditions for general-purpose equipment.
• Secure mounting: Snap-in terminal radial can simplifies board retention and mechanical stability in through-hole assemblies.
• RoHS compliant and production-ready: Mass production status and RoHS compliance support volume designs and regulatory requirements.

Why Choose LGU1C393MELC?

The LGU1C393MELC positions itself as a high-capacitance, snap-in aluminum electrolytic solution for designs that require substantial bulk energy storage, reliable ripple handling, and extended operation at elevated temperatures. Its combination of 39,000 µF capacitance, defined ripple current ratings, and a 3,000-hour endurance at 105 °C delivers verifiable performance for general-purpose power applications.

This part is suitable for engineers designing low-voltage power supplies, industrial power modules, and hold-up circuits that demand predictable leakage, loss tangent, and thermal endurance. Packaged as a radial snap-in can and supplied in tray packing, it supports through-hole assembly workflows and production deployments.

Please request a quote or contact sales to discuss availability, lead times, and volume pricing for the LGU1C393MELC.