LAK2D151MELA20ZB

The LAK2D151MELA20ZB from Nichicon is a snap‑in terminal aluminum electrolytic capacitor in the LAK series, rated 200 V with 150 µF capacitance. It is engineered for general-purpose power applications and equipment operating in environments with fluctuating voltages.

Key value comes from a high-temperature endurance specification — withstanding 2,000 hours of rated ripple current at 105°C — combined with series-level safety improvements for abnormal overvoltage events and RoHS compliance.

Key Features

• Electrical Performance — 150 µF nominal capacitance at a 200 V rating with ±20% tolerance, polarized for DC filtering and smoothing tasks.
• High‑temperature Endurance — Designed to meet endurance requirements after 2,000 hours of rated ripple current at 105°C; capacitance change is specified to remain within ±20% after the endurance test.
• Ripple Current Capability — Rated ripple handling of 650 mA at 120 Hz and 780 mA at 10 kHz, enabling use in higher‑ripple power stages.
• Package & Mounting — Radial can with snap‑in terminals for secure chassis/PCB insertion and reliable mechanical retention.
• Safety Features — Improved safety for abnormally excessive voltage and a pressure relief vent design that operates without creating dangerous conditions (no flames or dispersion of case parts) per series safety performance specifications.
• Temperature & Leakage — Rated for operation from −25°C to +105°C; leakage current meets I ≤ 3√CV (µA) after 5 minutes’ application of rated voltage at 20°C, and tan δ is specified at 0.20 max (120 Hz, 20°C).
• Environmental Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Power Supply Filtering — Smoothing and decoupling on 200 V DC rails, leveraging the 150 µF capacitance and rated ripple current for stable power delivery.
• Industrial Equipment in Fluctuating Voltage Environments — Suited to equipment exposed to voltage variations thanks to series-level safety enhancements for abnormal overvoltage conditions.
• High‑Ripple Electronic Assemblies — Appropriate for assemblies that require sustained ripple current handling at elevated temperatures, supported by the 2,000‑hour endurance at 105°C.
• General‑Purpose Electronic Modules — Snap‑in radial packaging provides straightforward installation for chassis-mounted or board-level modules where robust mechanical retention is needed.

Unique Advantages

• Proven High‑Temperature Endurance: 2,000 hours at 105°C under rated ripple current provides predictable long-term behavior in hot operating conditions.
• Designed for Fluctuating Voltage Conditions: LAK series safety improvements and pressure relief venting reduce risk during abnormal overvoltage events.
• Measurable Ripple Performance: Specified ripple currents at both 120 Hz (650 mA) and 10 kHz (780 mA) let designers match capacitor selection to real-world switching and line frequencies.
• Compact Snap‑in Packaging: Radial can with snap‑in terminals simplifies assembly and secures the part mechanically in chassis or PCBs.
• Predictable Electrical Characteristics: Leakage current formula (I ≤ 3√CV) and tan δ limits (0.20 max at 120 Hz, 20°C) support reliable margin calculations during design.
• Environmentally Compliant: RoHS directive compliance supports use in regions and projects requiring restricted substance adherence.

Why Choose LAK2D151MELA20ZB?

The LAK2D151MELA20ZB combines a practical 150 µF / 200 V electrical profile with series-level safety design and proven high-temperature endurance, making it a strong choice for power supply filtering and general-purpose assemblies operating in challenging voltage environments. Its snap‑in radial package supports reliable mechanical installation while delivering measurable ripple-handling capability.

This part is well suited to designers and procurement teams looking for a compact, RoHS-compliant electrolytic capacitor with documented endurance at elevated temperature and explicit safety performance criteria from the LAK series.

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