LGY1H103MELC40

The LGY1H103MELC40 is a snap‑in terminal aluminum electrolytic capacitor rated 10,000 µF (10 mF) at 50 V, packaged in a φ35 × 40 mm can. It belongs to Nichicon’s LGY long‑life assurance series designed for applications that require sustained ripple handling and dependable performance at elevated temperatures.

Engineered for industrial power systems and ballast applications, this capacitor delivers extended endurance under high ripple current and thermal stress while remaining RoHS compliant.

Key Features

• High Capacitance & Voltage: 10,000 µF at 50 V provides substantial bulk energy storage for smoothing and hold‑up in power systems.
• Snap‑In Radial Can Package: Snap‑in terminals on a φ35 × 40 mm can enable secure mechanical mounting for chassis or power‑supply assemblies.
• 105°C Long‑Life Assurance: Designed to withstand 5,000 hours of DC bias plus rated ripple current at 105°C with specified endurance criteria.
• Wide Operating Temperature: Specified for −40°C to +105°C operation to cover demanding industrial environments.
• Ripple Current Capability: Rated ripple handling of 3.1 A at 120 Hz and 3.565 A at 50 kHz supports high‑ripple power applications.
• Electrical Characteristics & Reliability: Capacitance tolerance ±20%; leakage current defined as I ≤ 3√CV µA after 5 minutes at 20°C; tan δ (loss‑angle) max 0.30 at 50 V, 120 Hz, 20°C.
• RoHS Compliant: Meets RoHS directive (2011/65/EU, (EU)2015/863) requirements for restricted substances.

Typical Applications

• Industrial Power Supplies: Bulk filtering and energy storage where sustained ripple current and high‑temperature reliability are required.
• Ballast Applications: Suitable for ballast circuits that demand robust capacitor endurance under continuous ripple and elevated temperatures.
• General‑Purpose Power Systems: Use in equipment and subsystems requiring large capacitance in a compact snap‑in can for stable DC link or smoothing functions.

Unique Advantages

• Proven High‑Temperature Endurance: 5,000‑hour specification at 105°C validates long‑term performance under elevated thermal stress.
• High Ripple Handling: Explicit ripple current ratings at 120 Hz and 50 kHz support designs with significant AC components on the DC bus.
• Compact High Capacitance: 10,000 µF in a φ35 × 40 mm can delivers large energy storage in a relatively small footprint.
• Defined Electrical Limits: Clear leakage current formula and tan δ limits enable accurate reliability and thermal design tradeoffs.
• Robust Mounting: Snap‑in termination facilitates secure mechanical retention for chassis and power‑supply assemblies.
• Standards Compliance: RoHS conformity supports regulatory requirements for restricted substances.

Why Choose LGY1H103MELC40?

The LGY1H103MELC40 is positioned for engineers needing a high‑capacitance, high‑temperature aluminum electrolytic solution with documented long‑life endurance. Its combination of 10,000 µF/50 V rating, snap‑in mounting, and explicit ripple current and endurance specifications makes it suitable for industrial power supplies, ballast circuits, and other power systems where reliability under continuous ripple and heat is critical.

Designed to simplify thermal and reliability planning, this capacitor provides clear, verifiable electrical limits and endurance performance—helping reduce iteration during design validation and supporting longer service life in demanding installations.

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