LGN2H391MELC50

The LGN2H391MELC50 is a polarized aluminum electrolytic capacitor in a snap‑in radial can designed for general‑purpose electronic applications. It delivers 390 µF capacitance at a 500 V rating and is engineered for high‑temperature endurance.

Key value propositions include snap‑in mounting for secure PCB retention, long duration endurance under rated ripple current at elevated temperature (105 °C), and RoHS compliance for environmental conformity.

Key Features

• Capacitance & Voltage — 390 µF nominal capacitance with a 500 V rated voltage and ±20% tolerance at 120 Hz, 20 °C.
• Polarized Power Component — Polarized aluminum electrolytic design intended for DC applications requiring polarized capacitors.
• High‑Temperature Endurance — Rated for operation up to 105 °C and specified to withstand 3000 hours of rated ripple current at 105 °C.
• Ripple Performance — Rated ripple current of 1.3 A at 120 Hz and 1.859 A at 100 kHz, specified for predictable AC stress handling under operating conditions.
• Leakage Current Specification — Leakage current meets I ≤ 3/√C (µA) after 5 minutes’ application of rated voltage at 20 °C (C = rated capacitance in µF).
• Low‑Temperature Stability (500 V class) — For the 350–600 V range, impedance stability is specified with Z(–25 °C)/Z(+20 °C) ≤ 8 at 120 Hz.
• Package & Mounting — Snap‑in radial can (smaller‑sized snailer) offering one rank smaller case size than the LGU series; nominal dimensions approximately L: 5 × D: 3.5 cm.
• Environmental Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General Purpose Electronics — Suited for equipment requiring a polarized aluminum electrolytic capacitor rated at 500 V and 390 µF with snap‑in mounting.
• High‑Temperature Environments — Applicable where components must sustain rated ripple current at elevated temperatures up to 105 °C for extended periods.
• Power Conditioning — Intended for general‑purpose roles in power circuitry where a high‑voltage, snap‑in electrolytic capacitor is required.

Unique Advantages

• Extended Endurance at Elevated Temperature — Specified to withstand 3000 hours of rated ripple current at 105 °C, enabling reliable performance in hot operating conditions.
• High Voltage Capability — 500 V rating supports higher DC system voltages without series stacking or parallel solutions.
• Predictable Ripple Handling — Defined ripple current values at 120 Hz and 100 kHz provide clear guidance for thermal and lifetime planning.
• Compact Snap‑in Form Factor — One rank smaller case than the LGU series offers space savings while retaining snap‑in retention for secure PCB installation.
• Clear Leakage Specification — Leakage defined by I ≤ 3/√C (µA) after initial voltage application, supporting predictable standby and bias current planning.
• RoHS Compliant — Conforms to current RoHS directives for environmental regulatory compliance.

Why Choose LGN2H391MELC50?

LGN2H391MELC50 combines a high 500 V rating with substantial 390 µF capacitance in a snap‑in, smaller‑sized can designed for long endurance at elevated temperature (3000 hours at 105 °C). Its defined ripple current and leakage specifications make it straightforward to evaluate for thermal management and lifetime requirements.

This part is a practical choice for engineers and procurement teams specifying general‑purpose polarized aluminum electrolytic capacitors for equipment that demands high‑voltage capability, compact snap‑in mounting, and demonstrable high‑temperature endurance backed by RoHS compliance.

Request a quote or contact sales to discuss availability, lead times and pricing for the LGN2H391MELC50.