LAKW6151MELA40

The LAKW6151MELA40 is an aluminum electrolytic capacitor in a snap‑in terminal, radial can package designed for general-purpose high-voltage applications. It provides 150 µF capacitance at a rated voltage of 420 V with polarized terminals and tray packing for mass production use.

Engineered for durability in demanding thermal and electrical environments, the LAK series design withstands rated ripple current for 2000 hours at 105°C and incorporates safety measures for abnormally excessive voltage, making it suitable for equipment operating in voltage-fluctuating areas. Operating temperature is specified from -25°C to 105°C, and the part is RoHS compliant.

Key Features

• Capacitance & Voltage — 150 µF rated capacitance at 420 V with a tolerance of ±20%.
• Endurance & Temperature Range — Rated for 2000 hours at 105°C; operating temperature range −25°C to 105°C.
• Mounting & Package — Snap‑in terminal, radial can (snap‑in) package; supplied in tray packing for production assembly.
• Ripple Current Capability — 820 mA at 120 Hz and 943 mA at 10 kHz, supporting steady ripple handling across common frequencies.
• Safety Features — Improved safety characteristics for abnormally excessive voltage and a pressure relief vent designed to operate under abnormal conditions.
• Physical Size — Mechanical dimensions listed as φ25 × 40 mm (size dimension L: 4 × D: 2.5 cm), suitable for compact high-voltage layouts.
• Environmental Compliance — RoHS compliant.

Typical Applications

• Industrial Power Supplies — Filtering and smoothing in high-voltage power supplies up to 420 V where extended ripple endurance and thermal life are required.
• Equipment in Voltage‑Fluctuating Areas — Designed for systems exposed to fluctuating line voltages, leveraging enhanced safety features and long-term ripple endurance at 105°C.
• General‑Purpose High‑Voltage Circuits — Polarized snap‑in construction provides a reliable mounting option for general-purpose high-voltage circuit applications requiring compact footprint and RoHS compliance.

Unique Advantages

• Long high‑temperature endurance: Rated to withstand rated ripple current for 2000 hours at 105°C, supporting longevity in elevated-temperature installations.
• High working voltage: 420 V rated voltage expands use in higher-voltage circuits within the LAK series range.
• Enhanced safety under abnormal voltage: Built-in safety features and a pressure relief vent reduce risk during excessive-voltage events.
• Robust snap‑in mounting: Radial, snap‑in can construction simplifies secure PCB installation in production environments.
• Measured ripple performance: Specified ripple current values at both 120 Hz and 10 kHz provide quantifiable thermal and electrical handling for design validation.
• Regulatory compliance: RoHS conformity for environmentally regulated assemblies.

Why Choose LAKW6151MELA40?

The LAKW6151MELA40 delivers a combination of high-voltage capability, measurable ripple handling, and extended high-temperature endurance in a snap‑in aluminum electrolytic package. Its design emphasizes operational reliability in applications exposed to voltage fluctuations, backed by safety features described in the LAK series specifications.

This part is appropriate for engineers and procurement teams specifying high-voltage, general-purpose capacitors that require clear, verifiable performance: 150 µF at 420 V, 2000 hours at 105°C endurance, polarized snap‑in mounting, and RoHS compliance. It supports compact PCB integration with defined mechanical dimensions and tray packing for production workflows.

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