LAKW6680MELA25

The LAKW6680MELA25 is a snap-in terminal aluminum electrolytic capacitor from Nichicon’s LAK series, specified for high-voltage, general-purpose power applications. It provides 68 µF of capacitance at a 420 V rating in a compact radial can (φ25×25L / 2.5×2.5 cm) with polarized snap‑in mounting for PCB integration.

Designed for environments with voltage fluctuations, this capacitor offers extended voltage options (200 V, 400 V and 420 V), rated ripple endurance at elevated temperature, and enhanced safety behavior under abnormal overvoltage conditions.

Key Features

• Snap‑in terminal package Radial can with snap‑in mounting simplifies board installation and mechanical retention for high‑voltage power assemblies.
• High voltage capability Rated for 420 V with the LAK series’ extended voltage range also covering 200 V and 400 V variants for flexible system designs.
• Capacitance and tolerance 68 µF nominal capacitance with a tolerance of −20 % to +20 % (measured at 120 Hz, 20 °C).
• High‑temperature endurance Specified to withstand 2000 hours of rated ripple current application at 105 °C, supporting sustained operation in hot environments.
• Ripple current performance Rated ripple current of 450 mA at 120 Hz and 517.5 mA at 10 kHz, suitable for smoothing and filtering in power circuits.
• Safety features for abnormal voltage LAK series design includes an operative pressure relief vent and improved safety measures to avoid dangerous conditions under excessive voltage events.
• Leakage current specification Leakage current conforms to I ≤ 3√(C·V) (µA) after 5 minutes’ application of rated voltage at 20 °C (series specification).
• Operating range and compliance Rated for −25 °C to +105 °C operation and compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Power supplies and converters Bulk smoothing and high‑voltage filtering where 420 V ratings and elevated temperature endurance are required.
• Industrial equipment in fluctuating-voltage environments Use in equipment subject to variable line conditions, leveraging the series’ improved safety and overvoltage handling.
• High-voltage DC link and energy storage Filtering and energy buffering in DC bus circuits that need compact, high‑voltage capacitance.
• General-purpose high-voltage circuitry Applications requiring polarized, snap‑in aluminum electrolytics with reliable ripple endurance at elevated temperatures.

Unique Advantages

• Engineered for elevated ripple endurance Rated to withstand 2000 hours of rated ripple current at 105 °C, enabling dependable performance in thermally demanding systems.
• Compact high‑voltage form factor 68 µF at 420 V in a φ25×25L can delivers a space‑efficient solution for high‑voltage boards.
• Enhanced safety under abnormal conditions Pressure relief and series-level safety design reduce the risk of dangerous failure modes when exposed to excessive voltage.
• Clear performance parameters for design Published ripple current values (120 Hz and 10 kHz), leakage current formula, and endurance/shelf‑life criteria aid accurate thermal and lifetime budgeting.
• RoHS compliant Meets RoHS requirements (2011/65/EU, (EU)2015/863) for environmental and regulatory alignment.

Why Choose LAKW6680MELA25?

LAKW6680MELA25 combines a high 420 V rating, proven ripple endurance at 105 °C, and snap‑in mounting in a compact radial can—making it well suited for power electronics designs that require reliable high‑voltage smoothing and filtering in thermally challenging or voltage‑fluctuating environments. Its series-level safety features and clear electrical specifications simplify risk assessment and lifetime planning for engineering teams.

This part is targeted at designers and procurement teams building industrial power supplies, DC link circuits, and other general‑purpose high‑voltage applications that demand predictable performance, regulatory compliance, and straightforward PCB mounting.

Request a quote or submit a technical inquiry to evaluate LAKW6680MELA25 for your next high‑voltage design project.