LGR2D391MELB25

The LGR2D391MELB25 is a snap‑in terminal type aluminum electrolytic capacitor designed for general purpose applications that require sustained ripple handling and high‑temperature endurance. It is part of Nichicon’s LGR Long Life series and is specified to withstand 10,000 hours of ripple current at 105°C.

This capacitor delivers bulk capacitance in a compact radial can with polarized terminals, RoHS compliance, and a rated voltage of 200 V, making it suitable for designs needing high‑temperature reliability and reliable ripple performance.

Key Features

• Electrical – Capacitance & Voltage: 390 µF nominal capacitance with ±20% tolerance and a rated voltage of 200 V.
• High‑Temperature Long Life: Endurance rated for 10,000 hours at 105°C under DC bias plus rated ripple current, ensuring long service life in elevated temperatures.
• Ripple Current Capability: Rated ripple current of 1.3 A at 120 Hz and 1.95 A at 50 kHz, supporting effective AC ripple handling across common frequencies.
• Temperature Range: Operates from –40°C to +105°C, enabling use in demanding thermal environments.
• Package & Mounting: Radial can, snap‑in terminal type for secure PCB mounting; physical size L: 2.5 × D: 3 cm with a maximum seated height of 2.5 cm.
• Polarized Construction: Polarized aluminum electrolytic design for bulk energy storage and smoothing applications.
• Regulatory: Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General‑purpose power circuits: Bulk capacitance and smoothing where high‑temperature ripple endurance is required.
• High‑temperature electronic assemblies: Use in equipment that subjects capacitors to sustained elevated temperatures up to 105°C.
• PCB-mounted radial designs: Snap‑in can package for secure mechanical mounting and space‑efficient board layout.

Unique Advantages

• Long operational life at 105°C: Specified to endure 10,000 hours under rated ripple current, reducing the need for frequent replacements in high‑temperature applications.
• Measured ripple performance: Explicit ripple current ratings (1.3 A at 120 Hz, 1.95 A at 50 kHz) provide clear guidance for thermal and ripple budgeting in designs.
• Wide operating temperature span: –40°C to +105°C operation supports a broad range of environmental conditions.
• Compact radial snap‑in package: Small L: 2.5 × D: 3 cm footprint with snap‑in terminals simplifies mounting while delivering substantial capacitance.
• Regulatory compliance: RoHS compliance supports inclusion in lead‑free production environments.

Why Choose LGR2D391MELB25?

The LGR2D391MELB25 positions itself as a practical long‑life aluminum electrolytic solution for engineers requiring reliable bulk capacitance in thermal and ripple‑stressful environments. With a 200 V rating, 390 µF capacitance, and explicit ripple current specifications across frequencies, it helps designers size and validate power filtering and smoothing networks with confidence.

This part is suited to teams and projects prioritizing durability at elevated temperatures, clear electrical specifications for ripple handling, and a compact snap‑in can package for robust PCB mounting. Its RoHS compliance and documented endurance make it a dependable option for long‑lifecycle equipment and maintenance‑sensitive installations.

Request a quote or submit a product inquiry to evaluate LGR2D391MELB25 for your next design or production run.