LGX2D821MELA40

The LGX2D821MELA40 from Nichicon is a snap‑in terminal aluminum electrolytic capacitor engineered for long life under elevated temperatures. It is part of the LGX series featuring 105°C long life assurance and a smaller-sized snap‑in can package suited to power-electronics environments.

Designed for general-purpose power applications, this 820 µF, 200 V polarized capacitor is particularly suited for rectifier circuits in inverters and switching power supplies where extended endurance, ripple handling and a compact snap‑in mounting are required. The device is RoHS compliant.

Key Features

• Capacitance and Voltage — 820 µF nominal capacitance with a 200 V rated voltage and ±20% tolerance for bulk energy storage and smoothing in power rails.
• High‑temperature Long Life — Endurance rated for 5000 hours at 105°C under DC bias plus rated ripple current, providing measurable lifetime performance for high‑temperature installations.
• Operating Temperature Range — Specified for −25°C to +105°C to cover common industrial and power‑electronics ambient conditions.
• Ripple Current Capability — Rated ripple handling of 2.09 A at 120 Hz and 3.135 A at 50 kHz to support rectifier and switching supply applications.
• Package and Mounting — Snap‑in, radial can package (size: 25 × 40 mm / L: 4 × D: 2.5 cm) for secure board mounting; seated height max: 1.575 inch.
• Leakage and Dissipation — Series leakage current specification follows I ≤ 3√CV (μA) after 5 minutes at 20°C; tan δ max for the 200 V range is 0.15 (measured at 120 Hz, 20°C).
• Stability and Endurance Specs — After 5000 hours at 105°C with rated ripple and DC bias, capacitance remains within ±20% and leakage/tan δ meet specified limits per the series endurance criteria.
• RoHS Compliant — Conforms to RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General Inverter Rectifiers — Bulk smoothing and filtering on rectifier outputs where sustained high-temperature ripple endurance is required.
• Switching Power Supplies — Energy storage and ripple suppression on high-voltage rails in industrial and power conversion supplies.
• General Purpose Power Filtering — Decoupling and charge storage in systems that require snap‑in mounting and reliable performance at up to 105°C.

Unique Advantages

• Proven High‑Temperature Endurance: 5000 hours at 105°C under rated ripple current provides a quantifiable reliability baseline for thermal stress environments.
• High Ripple Handling: Specified ripple current values at both 120 Hz and 50 kHz support use in rectifier and high-frequency switching applications.
• Compact Snap‑in Form Factor: 25 × 40 mm can with snap‑in terminals permits secure, space‑efficient board mounting in chassis and power modules.
• Clear Performance Limits: Endurance and shelf‑life criteria (capacitance, tan δ, leakage) are defined in the datasheet, enabling predictable design margins.
• Regulatory Compliance: RoHS conformity supports deployment in regions requiring restricted substances compliance.

Why Choose LGX2D821MELA40?

LGX2D821MELA40 provides a balance of high-voltage capability, substantial capacitance and defined long-life endurance for power-electronics designs. Its snap‑in can package and rated ripple performance make it a straightforward option for engineers specifying bulk filtering and rectifier smoothing components in inverters and switching power supplies.

Manufactured by Nichicon and built to the LGX series specifications, this capacitor is intended for designs that require measurable endurance at elevated temperatures, predictable electrical limits, and RoHS compliance—delivering robustness and design clarity for production systems.

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