LGU2W181MELB

The LGU2W181MELB is a Nichicon LGU-series snap-in aluminum electrolytic capacitor rated for 450 V and 180 µF with ±20% tolerance. It is a polarized, radial can (snap-in) capacitor designed for general-purpose use where high voltage handling, elevated operating temperature, and robust ripple endurance are required.

Engineered to operate up to 105°C and to withstand extended ripple-loading, this part is supplied in tray packing for mass-production environments and is RoHS compliant.

Key Features

• Core electrical — Rated voltage 450 V and capacitance 180 µF with ±20% tolerance (120 Hz, 20°C), suitable for high-voltage electrolytic applications.
• High-temperature endurance — 105°C rated operating temperature and specified endurance of 3000 hours at 105°C with DC bias plus rated ripple current.
• Mounting & package — Snap-in terminal radial can (φ30 × 30 mm) for secure board mounting; supplied in tray packing for production workflows.
• Ripple current performance — Rated ripple current figures include 1 A at 120 Hz and 1.43 A at 50 kHz; the LGU series specifies ripple endurance at elevated temperature.
• Operating range — Specified operating temperature range of −25°C to +105°C for the 315–450 V sizes.
• Compliance & identification — RoHS compliant; capacitors are printed with white lettering on a black sleeve for part identification.

Typical Applications

• High-voltage power supplies — Bulk filtering and smoothing in high-voltage DC supplies where a 450 V rating and elevated-temperature endurance are required.
• Power conversion and DC link circuits — Energy storage and ripple smoothing for converters and power modules that demand stable performance at up to 105°C.
• Industrial equipment — General-purpose filtering and decoupling in industrial systems that operate at elevated temperatures and require tray-packed components for assembly.

Unique Advantages

• Supports high-voltage designs: 450 V rating enables use in higher-voltage assemblies without series stacking of capacitors.
• Designed for elevated-temperature operation: 105°C rating and 3000-hour endurance at 105°C provide predictable lifecycle performance under thermal stress.
• Production-ready packaging: Tray packing and snap-in radial format simplify handling and automated insertion during mass production.
• Measurable ripple capability: Specified ripple currents (1 A at 120 Hz, 1.43 A at 50 kHz) help designers size thermal and ripple-management margins.
• Traceable marking and RoHS compliance: Clear sleeve printing for identification and RoHS compliance for environmental requirements.

Why Choose LGU2W181MELB?

The LGU2W181MELB positions itself as a reliable, high-voltage electrolytic option within Nichicon’s LGU series for general-purpose power applications. With a 450 V rating, 180 µF capacitance, and a 105°C endurance specification (3000 hours under rated ripple), it addresses designs that require sustained performance under elevated temperature and ripple-loading conditions.

This part is suited to engineers and procurement teams specifying capacitors for power supplies, converters, and industrial equipment where tray-packed snap-in components, RoHS compliance, and clear part identification support production and traceability needs.

Request a quote or submit an inquiry to evaluate LGU2W181MELB for your next design or production run.