LASW6271MELC30

The LASW6271MELC30 is a snap‑in terminal aluminum electrolytic capacitor from Nichicon’s LAS series, rated 420 V and 270 µF. It is a radial, can-style snap‑in capacitor designed for general-purpose use where high voltage tolerance and robust ripple handling are required.

Engineered for demanding environments, this capacitor withstands 2000 hours of rated ripple current at 105°C, offers improved safety features for abnormally excessive voltage, and is targeted at equipment used in areas with voltage fluctuations. The part is RoHS compliant.

Key Features

• Capacitance & Voltage: 270 µF capacitance at a 420 V rated voltage for high-voltage energy storage and smoothing.
• High-temperature Endurance: Specified for operation from −25°C to +105°C and endurance of 2000 hours at 105°C under rated ripple current conditions.
• Ripple Current Capability: Rated ripple current of 1.1 A at 120 Hz and 1.265 A at 10 kHz, with frequency coefficients provided for other operating frequencies.
• Snap‑in Radial Package: Snap‑in terminal, radial can package (φ35×30L; size L: 3 cm × D: 3.5 cm) for secure mounting in power assemblies.
• Safety Features: Designed with an operational pressure relief vent and improved safety performance to reduce hazardous conditions under abnormally excessive voltage.
• Manufacturing and Compliance: Polarized aluminum electrolytic construction; capacitance tolerance ±20%; RoHS compliant.

Typical Applications

• General‑purpose power electronics: Bulk energy storage and smoothing in systems that require a 420 V, 270 µF capacitor with robust ripple handling.
• Equipment in voltage‑fluctuating environments: Suited to equipment located where supply variations occur, benefitting from enhanced safety features against abnormal voltage.
• High‑temperature installations: Systems that demand continuous operation at elevated ambient temperatures up to 105°C and long endurance under rated ripple current.

Unique Advantages

• High-voltage capability: 420 V rating enables use in higher-voltage power stages and filtering applications.
• Validated high-temperature endurance: 2000-hour performance at 105°C under rated ripple current provides design confidence for sustained thermal stress.
• Solid ripple performance: Measured ripple current ratings at both 120 Hz and 10 kHz provide data for thermal and lifetime budgeting in designs.
• Compact snap‑in package: φ35×30L radial can with snap‑in terminals offers a secure, space-efficient mounting option for power assemblies.
• Enhanced safety under abnormal voltage: Pressure relief vent and safety testing reduce risk in scenarios with excessive voltage stress.
• RoHS compliant: Conforms to RoHS directive requirements for hazardous substance restrictions.

Why Choose LASW6271MELC30?

LASW6271MELC30 combines a 420 V rating and 270 µF capacitance with proven endurance at elevated temperature, making it well suited for general-purpose power applications that require high-voltage smoothing and reliable ripple handling. The snap‑in radial package and safety‑focused design features provide mechanical stability and operational safeguards in environments prone to voltage fluctuations.

For engineers and procurement teams designing systems that demand long-term thermal performance and clear electrical specifications, this Nichicon LAS series part offers verifiable endurance data, ripple current ratings, and RoHS compliance to support robust product designs.

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