LAR2W151MELA30

The LAR2W151MELA30 is a snap‑in, radial can aluminum electrolytic capacitor rated for 450 V and 150 µF with ±20% tolerance. Designed for general‑purpose power applications, it delivers high voltage handling and robust ripple performance in a compact snap‑in package.

Engineered for elevated operating temperatures, this capacitor is specified for operation up to 105°C and is endurance tested to withstand 2000 hours of rated ripple current at 105°C, providing dependable long‑term performance in demanding environments.

Key Features

• Rated Voltage and Capacitance — 450 V, 150 µF nominal capacitance with ±20% tolerance, suitable where high DC voltage and energy storage are required.
• High Temperature Endurance — Guaranteed performance up to 105°C and specified for 2000 hours of endurance under D.C. bias plus rated ripple current at 105°C.
• Permissible Overvoltage Safety — Designed to reduce incidence of shorting when exposed to overvoltage conditions (rated voltage × 1.5); the specification includes overvoltage behavior and pressure relief criteria.
• Ripple Current Capability — Rated ripple current 790 mA at 120 Hz and 1.13 A at 50 kHz, with frequency coefficients provided in the datasheet for other frequencies.
• Package and Mounting — Snap‑in terminal, radial can construction for secure chassis mounting; size approximately L: 3 cm × D: 2.5 cm with a seated height maximum of 1.181 inch.
• Polarized Electrolyte — Polarized capacitor intended for DC applications; leakage current and tan δ limits defined per datasheet.
• RoHS Compliant — Conforms to RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General Purpose Power Filtering — Bulk energy storage and smoothing in DC circuits where high voltage and thermal endurance are required.
• Power Supply DC Link — Use as a DC link capacitor in power conversion assemblies requiring 450 V rated components.
• Industrial Power Electronics — Suitable for industrial controls and equipment that demand elevated temperature operation and sustained ripple handling.

Unique Advantages

• High Voltage Capability: 450 V rating enables use in higher‑voltage DC systems without series stacking, simplifying BOM and layout.
• Thermal Reliability: Endurance tested for 2000 hours at 105°C under rated ripple current, supporting applications with sustained elevated temperatures.
• Overvoltage Resilience: Built‑in measures to reduce short incidence under 1.5× rated voltage enhance safety margins during transient conditions.
• Measured Ripple Performance: Published ripple current values at 120 Hz and 50 kHz allow engineers to size capacitors against application‑specific ripple loads with confidence.
• Snap‑In Mounting: Robust snap‑in terminals provide secure mechanical retention for chassis or board mount implementations.
• Regulatory Compliance: RoHS conformity supports use in products requiring restricted substance compliance.

Why Choose LAR2W151MELA30?

The LAR2W151MELA30 delivers a balanced combination of high voltage rating, robust thermal endurance and documented ripple performance in a snap‑in aluminum electrolytic package. It is positioned for designers who need reliable bulk capacitance and long‑term stability in higher‑voltage DC power systems.

This part is well suited for engineers and procurement teams specifying components for industrial power electronics and general‑purpose DC applications that require documented endurance at 105°C, overvoltage behavior data, and RoHS compliance.

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