LGR2W820MELB25

The LGR2W820MELB25 from Nichicon is an aluminum electrolytic capacitor in a radial, snap-in can package with a 82 µF capacitance and 450 V rating. It is intended for general-purpose electronic applications requiring high-voltage bulk capacitance in a compact snap-in form factor (φ30 × 25 mm).

Part of the LGR long-life assurance series, this capacitor is specified to withstand 10000 hours of DC bias plus rated ripple current at 105°C. The device is RoHS compliant (2011/65/EU, (EU)2015/863).

Key Features

• Capacitance & Voltage — 82 µF rated at 450 V, providing high-voltage bulk capacitance for demanding circuits.
• Package & Mounting — Radial, snap-in can with dimensions approximately φ30 × 25 mm (L), designed for secure PCB snap-in installation.
• Long-Life Endurance — Qualified for 10000 hours at 105°C with DC bias plus rated ripple; endurance limits: capacitance change within ±25%, tan δ ≤ 250% of initial spec, leakage current ≤ initial specified value after test.
• Operating Temperature — Rated for operation from −25°C to 105°C for 400/450 V products.
• Ripple Current Capability — Rated ripple current values include 560 mA at 120 Hz and 800.8 mA at 50 kHz; frequency coefficients for other frequencies are provided in the datasheet.
• Leakage & Dissipation — Leakage current specified as I ≤ 3√CV (µA) after 5 minutes at 20°C; tan δ (loss tangent) max 0.20 at 450 V (120 Hz, 20°C).
• Tolerance & Polarity — Capacitance tolerance ±20% (at 120 Hz, 20°C); polarized electrolytic construction.
• Regulatory Compliance — RoHS compliant per applicable directives.

Typical Applications

• General Purpose – High-Voltage Circuits — Suitable for general-purpose electronic designs that require 450 V bulk capacitance.
• General Purpose – Elevated Temperature Operation — Appropriate where sustained performance at up to 105°C and long-life endurance are required.
• General Purpose – PCB Snap-in Mounting — Designed for applications preferring snap-in terminals and a compact φ30 × 25 mm radial can footprint.

Unique Advantages

• Long-life assurance: 10000-hour endurance rating at 105°C gives predictable performance over extended high-temperature use.
• High-voltage capability: 450 V rating supports higher DC bus applications within the general-purpose scope.
• Measured ripple performance: Specified ripple current values at 120 Hz and 50 kHz, plus frequency coefficients in the datasheet, allow engineers to size for real-world ripple conditions.
• Compact snap-in form factor: φ30 × 25 mm radial can with snap-in terminals simplifies PCB mounting and mechanical retention.
• Specification transparency: Clear leakage current, tan δ, and low-temperature impedance characteristics are provided in the datasheet for engineering verification.
• RoHS compliance: Meets environmental directive requirements for lead-free applications.

Why Choose LGR2W820MELB25?

The LGR2W820MELB25 positions itself as a robust, long-life aluminum electrolytic capacitor for general-purpose electronic designs that require high-voltage bulk capacitance and sustained performance at elevated temperatures. Its 450 V rating, 82 µF capacitance, and 10000-hour endurance at 105°C make it a practical choice for engineers balancing voltage capability, ripple handling, and long-term reliability.

Designed and manufactured by Nichicon as part of the LGR series, this capacitor is suited to applications where verified endurance data, clear electrical limits, and a compact snap-in package help simplify selection and integration.

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