LGY1C393MELB50

The LGY1C393MELB50 is a snap‑in terminal aluminum electrolytic capacitor from Nichicon’s LGY series, designed for long life operation at elevated temperatures. With a high bulk capacitance of 39,000 µF and a 16 V rating, it targets power‑handling roles where sustained ripple endurance and dependable performance are required.

Typical use cases called out for the LGY series include industrial power supplies and ballast applications; this specific part is supplied in a radial can snap‑in package and is offered in tray packing for production volumes.

Key Features

• High Capacitance — 39,000 µF nominal capacitance for substantial bulk energy storage and smoothing in power circuits.
• Rated Voltage — 16 V DC rating suitable for low‑voltage power rails and supply filtering.
• Long Life Endurance — Specified for 5,000 hours at 105°C, supporting reliability in high‑temperature environments.
• Wide Operating Temperature — −40°C to 105°C operating range for applications exposed to broad ambient conditions.
• High Ripple Current Capability — Low‑frequency ripple current 4.3 A (120 Hz) and high‑frequency ripple current 4.945 A (50 kHz) for demanding AC loading conditions.
• Leakage and Loss Characteristics — Leakage current listed as 2360 µA and tan δ (DF) of 0.5 measured at 20°C, 120 Hz for the 16 V rating.
• Snap‑In, Radial Can Package — Snap‑in terminal mounting for secure panel/PCB installation; physical size φ30 × 50 mm.
• RoHS Compliant — Meets RoHS requirements for materials compliance.

Typical Applications

• Industrial Power Supplies — Suited for use in industrial power supplies where long life and dependable ripple endurance at 105°C are important.
• Ballasts — Recommended for ballast applications as noted for the LGY series.
• General Purpose Power Electronics — Applicable where large bulk capacitance and snap‑in mounting are required for smoothing and energy buffering in general‑purpose systems.

Unique Advantages

• Designed for Long‑Life Operation: 5,000 hours endurance at 105°C reduces maintenance and replacement frequency in hot operating environments.
• High Bulk Capacitance: 39,000 µF provides significant energy storage for smoothing DC rails and supporting transient loads.
• Robust Ripple Handling: Specified ripple currents at both low and high frequencies support AC loading across a range of switching environments.
• Temperature Resilience: −40°C to 105°C rating enables deployment across a wide range of ambient conditions without derating the capacitor’s intended life profile.
• Production‑Ready Packaging: Tray packing and mass production status simplify procurement and integration into volume manufacturing workflows.
• Compliance: RoHS status supports regulatory conformity for assemblies requiring restricted substance compliance.

Why Choose LGY1C393MELB50?

The LGY1C393MELB50 positions itself as a high‑capacitance, long‑life solution for designers of industrial power systems and ballast equipment that require dependable smoothing and ripple endurance at elevated temperatures. Its combination of 39,000 µF capacitance, specified ripple current performance, and 5,000‑hour endurance at 105°C delivers verifiable reliability for demanding power applications.

Engineers specifying this part will find a production‑ready snap‑in package, RoHS compliance, and the backing of Nichicon’s LGY series data sheet parameters—making it suitable for projects where lifecycle robustness and stable electrical characteristics are priorities.

If you would like pricing, availability, or to submit a quote request for the LGY1C393MELB50, please request a quote or contact sales with your quantity and delivery requirements.