LGR2W390MELZ25

The LGR2W390MELZ25 is an aluminum electrolytic capacitor in a snap-in terminal radial can designed for general-purpose applications. It delivers a 39 µF capacitance at a 450 V rating, with long-life assurance and RoHS compliance for environmentally regulated designs.

Built for sustained performance at elevated temperatures, this capacitor is specified for operation up to 105°C and is part of a long-life series rated for 10,000 hours of ripple-current application at 105°C.

Key Features

• Capacitance & Voltage — 39 µF nominal capacitance with a 450 V rated voltage for high-voltage DC applications.
• High-temperature long life — Rated for operation from −25°C to +105°C with a guaranteed lifetime of 10,000 hours at 105°C under rated ripple conditions.
• Snap-in radial can package — Snap-in mounting simplifies secure installation on power boards and panels; package type listed as Radial, Can - Snap-In.
• Ripple current performance — Low-frequency ripple current of 370 mA at 120 Hz and high-frequency ripple current of 529.1 mA at 50 kHz, supporting sustained AC ripple handling.
• Leakage and loss characteristics — Leakage current meets the datasheet formula I ≤ 3√CV (μA) after 5 minutes at 20°C; tangent of loss angle (tan δ) specified for 450 V.
• Robust tolerance and polarization — Capacitance tolerance of −20% to +20% and polarized construction for conventional electrolytic circuit use.
• Compact dimensions — Size: L 2.5 cm × D 2.2 cm, enabling use in space-constrained designs.
• RoHS compliant — Conforms to RoHS directive for restricted substances.

Typical Applications

• General-purpose power circuits — Provides bulk energy storage and smoothing where a 450 V rated electrolytic capacitor is required.
• High-voltage DC filtering — Supports DC bus and filter functions with specified ripple current ratings at 120 Hz and 50 kHz.
• Industrial equipment — Suited to general-purpose industrial electronic assemblies operating up to 105°C and requiring long-life components.

Unique Advantages

• High-voltage capability: 450 V rating enables use in higher-voltage DC circuits without upsizing component selection.
• Guaranteed long life: 10,000-hour endurance at 105°C under rated ripple current offers predictable lifetime for sustained thermal and electrical stress.
• Strong ripple handling: Specified ripple currents at both low and high frequencies help maintain performance under AC stress conditions.
• Secure snap-in mounting: Radial snap-in terminals facilitate stable mechanical retention on power PCBs and assemblies.
• Industry-compliant materials: RoHS compliance supports environmentally regulated product designs.
• Compact form factor: Small can dimensions (2.5 cm × 2.2 cm) allow integration into space-limited layouts.

Why Choose LGR2W390MELZ25?

The LGR2W390MELZ25 positions itself as a reliable, long-life aluminum electrolytic solution for general-purpose designs that require a 450 V rating and sustained operation at elevated temperature. Its combination of long endurance at 105°C, defined ripple current capability, and snap-in radial packaging makes it a practical choice for power filtering and bulk energy storage in assemblies where longevity and stable electrical performance matter.

This part is suitable for engineers and procurement teams specifying components for robust, long-running equipment and projects that require RoHS-compliant electrolytic capacitors with verified high-voltage and high-temperature performance.

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