LGNW6151MELA30

The LGNW6151MELA30 is a snap-in terminal aluminum electrolytic capacitor from Nichicon's LGN series. It delivers 150 µF capacitance at a rated voltage of 420 V in a compact φ25 × 30 mm can, engineered for general-purpose power applications that require high-voltage capability and elevated temperature endurance.

Designed for continuous operation up to 105°C, this part combines high ripple-current handling, controlled loss (tanδ), and defined leakage characteristics to support reliable performance in production environments.

Key Features

• Core Electrical Performance — 150 µF capacitance with ±20% tolerance at 120 Hz, 20°C; rated voltage 420 V for high-voltage power rails.
• Loss and Leakage — tanδ (DF) max 0.15 measured at 20°C and 120 Hz; specified leakage current 750 µA.
• Ripple Current Capability — 840 mA at 120 Hz (low frequency) and 1.201 A at 100 kHz (high frequency) to support smoothing and filtering duties under load.
• Temperature and Endurance — Operating temperature range −25°C to +105°C with 3000 hours life/endurance at 105°C under rated ripple and DC bias.
• Package and Mounting — Snap-in radial can, size φ25 × 30 mm (D × L), designed for PCB snap-in mounting in mass production configurations.
• Regulatory Status — RoHS compliant; part is in mass production.

Typical Applications

• High-voltage power supplies — Bulk smoothing and filtering where 420 V rated capacitance and defined ripple current capability are required.
• Power conversion modules — Energy storage and decoupling in general-purpose converters operating to 105°C.
• Industrial electronics — General-purpose high-voltage filtering in applications that demand 3000 hours endurance at elevated temperature.

Unique Advantages

• High-voltage rating: 420 V rating provides specification-level support for elevated-voltage designs without up-rating components.
• Compact snap-in package: φ25 × 30 mm radial can with snap-in terminals simplifies PCB mounting while saving board space compared to larger case sizes in the series.
• Robust ripple handling: Combined low- and high-frequency ripple current specs (840 mA at 120 Hz, 1.201 A at 100 kHz) enable reliable smoothing under varied load conditions.
• Elevated temperature endurance: 3000 hours at 105°C assures consistent capacitance, dissipation factor, and leakage performance after long-term high-temperature operation.
• Controlled loss and leakage: Specified tanδ (0.15 max) and 750 µA leakage provide predictable electrical behavior for design margining and thermal management.
• Production-ready: RoHS compliant and listed as mass production status for smoother supply-chain integration.

Why Choose LGNW6151MELA30?

The LGNW6151MELA30 offers a balance of high-voltage capability, compact snap-in packaging, and proven endurance for general-purpose power applications. Its 150 µF / 420 V rating, combined with defined ripple current handling and a 105°C, 3000-hour specification, makes it a fit for designs that require stable bulk capacitance and predictable loss/leakage characteristics over extended thermal stress.

This part is suitable for engineers and procurement sourcing capacitors for high-voltage power rails, converters, and industrial electronics where production readiness and RoHS compliance are required.

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