LGY1E273MELC45

The LGY1E273MELC45 is a snap‑in terminal aluminum electrolytic capacitor from Nichicon’s LGY long‑life series, providing 27,000 µF capacitance at a 25 V rating. It is designed for general‑purpose power applications and is specifically suited for industrial power supplies and ballast applications where dependable ripple endurance and long operational life are required.

With a rated operating temperature range of −40 °C to 105 °C and a long‑life endurance specification, this capacitor delivers bulk energy storage and sustained performance in demanding thermal and electrical environments.

Key Features

• High Capacitance (27,000 µF) — Provides significant bulk energy storage for smoothing and decoupling in power circuits.
• 25 V Rated Voltage — Suitable for mid‑voltage DC bus and power supply designs that require a 25 V rating.
• Long‑Life Endurance — Engineered to withstand 5,000 hours of rated ripple current at 105 °C, supporting reliable long‑term operation in high‑temperature environments.
• Wide Operating Temperature Range — Rated from −40 °C to 105 °C to maintain performance across a broad range of ambient conditions.
• Ripple Current Capability — Specified ripple current of 3.8 A at 120 Hz and 4.37 A at 50 kHz, with frequency coefficients available for frequency‑dependent ripple calculations.
• Snap‑In Radial Can Package — Snap‑in terminals for secure PCB mounting in high‑current power assemblies; compact footprint with dimensions L: 4.5 × D: 3.5 cm.
• Polarized Design — Conventional polarized electrolytic construction for DC power applications.
• RoHS Compliant — Meets RoHS directive requirements for restricted substances.

Typical Applications

• Industrial Power Supplies — Used where high reliability and long ripple endurance are necessary to support continuous operation and energy smoothing.
• Ballast Systems — Specified as suitable for ballast applications requiring durable capacitor performance under sustained ripple current and elevated temperature.
• General‑Purpose Power Circuits — Ideal for bulk filtering, decoupling and energy storage in a range of general power electronics designs.

Unique Advantages

• Bulk Energy Density: 27,000 µF capacitance provides substantial stored charge for smoothing and transient support, reducing the need for parallel components.
• Validated High‑Temperature Lifetime: Rated for 5,000 hours at 105 °C under rated ripple conditions, delivering predictable end‑of‑life behavior in hot environments.
• Clear Ripple Specifications: Published ripple current values at 120 Hz and 50 kHz allow precise thermal and ripple budgeting in power designs.
• Robust Mounting: Snap‑in radial can construction offers a secure mechanical and electrical connection for high‑current assemblies.
• Wide Ambient Range: −40 °C to 105 °C operating range supports use across varied industrial temperature conditions.
• Compliance and Supply Chain Confidence: RoHS compliance aligns with regulatory requirements for restricted substances.

Why Choose LGY1E273MELC45?

The LGY1E273MELC45 balances very high capacitance with a long‑life, high‑temperature rating tailored for industrial power systems and ballast applications. Its combination of sizable bulk storage, defined ripple handling, and snap‑in packaging makes it a practical choice for designers who need predictable endurance and straightforward PCB mounting in demanding power environments.

This capacitor is well suited for engineers and procurement teams building reliable power supplies and power conditioning equipment that require long operational life, measurable ripple performance, and regulatory compliance.

If you would like pricing, availability, or a formal quote for LGY1E273MELC45, please request a quote or contact sales for assistance.