LGR2D471MELA35

The LGR2D471MELA35 from Nichicon is a snap-in terminal aluminum electrolytic capacitor designed for general-purpose applications that require high-voltage capacitance and long-term thermal endurance. It is part of the LGR long-life assurance series and is built to withstand sustained ripple current operation at elevated temperature.

Key design strengths include a 470 µF capacitance at 200 V rating, a wide operating temperature range down to −40 °C and up to 105 °C, and compliance with RoHS directives (2011/65/EU, (EU)2015/863).

Key Features

• Capacitance & Voltage: 470 µF rated capacitance at 200 V for high-voltage energy storage and filtering in general-purpose designs.
• High-temperature, Long-life Assurance: Endurance specification of 10,000 hours at 105 °C under D.C. bias plus rated ripple current; capacitance change within ±25% after endurance test per the series specification.
• Ripple Current Performance: Specified ripple current of 1.4 A at 120 Hz and 2.1 A at 50 kHz, with frequency coefficients provided in the series datasheet to size ripple capability across frequency.
• Operating Temperature Range: −40 °C to +105 °C to support operation across a broad thermal envelope.
• Package & Mounting: Radial can with snap-in terminal mounting for secure vertical PCB installation.
• Physical Size: 3.5 cm length × 2.5 cm diameter (L × D) for compact high-voltage applications.
• Tolerance & Polarity: Capacitance tolerance of −20% to +20%; polarized aluminum electrolytic construction.
• Leakage & Dissipation Characteristics: Leakage current specified by I ≤ 3√(C·V) after 5 minutes at 20 °C; tan δ limits and impedance stability at low temperature are defined in the series datasheet.
• RoHS Compliant: Meets RoHS directive requirements (2011/65/EU, (EU)2015/863).

Typical Applications

• General Purpose Power Filtering: Bulk smoothing and ripple suppression in general-purpose power circuits, leveraging 470 µF capacitance and specified ripple current ratings.
• High-Temperature Long-Life Systems: Equipment that must endure extended operation at up to 105 °C—benefit from the 10,000-hour long-life assurance.
• Snap-in PCB Assemblies: Vertical PCB installations that require a robust snap-in radial can for reliable mechanical retention.

Unique Advantages

• Designed for long-term high-temperature operation: 10,000-hour endurance at 105 °C gives predictable performance in sustained high-temperature conditions.
• High-voltage capability: 200 V rating supports applications requiring elevated DC voltage handling without upsizing the capacitor bank.
• Measured ripple performance: Published ripple current values at 120 Hz and 50 kHz allow designers to match capacitor selection to expected operating frequencies.
• Secure snap-in mounting: Radial snap-in package simplifies PCB assembly and provides mechanical stability in vertical mount arrangements.
• Documented reliability metrics: Endurance, shelf-life, leakage, and tan δ specifications in the series datasheet enable objective life and performance planning.
• Regulatory compliance: RoHS conformity reduces regulatory risk for commercial and industrial product deployment.

Why Choose LGR2D471MELA35?

The LGR2D471MELA35 combines a 470 µF, 200 V aluminum electrolytic construction with a snap-in radial package and a long-life 105 °C endurance rating, making it suitable for designers seeking durable, high-voltage capacitance in a compact form factor. Its specified ripple current performance and documented leakage and dissipation characteristics provide the data engineers need to size and validate power and filtering functions.

This part is appropriate for general-purpose electronic designs that demand predictable long-term behavior at elevated temperatures and where snap-in mounting is preferred for PCB assembly. The Nichicon LGR series datasheet supplies the detailed coefficients and endurance criteria needed for system-level reliability planning.

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