LAK2G151MELB30ZB

The LAK2G151MELB30ZB is a snap‑in terminal aluminum electrolytic capacitor from Nichicon's LAK series, specified for 150 µF capacitance at a 400 V rating. It is a polarized, radial can snap‑in package designed for general‑purpose use where high voltage, elevated operating temperatures and ripple current endurance are required.

Key value comes from its extended voltage range options (200 V, 400 V, 420 V), improved safety features for abnormally excessive voltage, and endurance under high ripple at elevated temperature—making it well suited for equipment exposed to fluctuating line voltages.

Key Features

• Capacitance & Voltage — 150 µF nominal capacitance with a 400 V rated voltage and ±20% tolerance (measured at 120 Hz, 20°C).
• High‑temperature Endurance — Rated for operation up to 105°C with endurance demonstrated by withstanding 2000 hours of rated ripple current at 105°C.
• Ripple Current Performance — Low‑frequency ripple: 700 mA at 120 Hz; high‑frequency ripple: 805 mA at 10 kHz.
• Safety Features — Improved safety design for abnormally excessive voltage; pressure relief vent is specified to operate without dangerous conditions such as flames or case dispersion under test conditions.
• Package & Mounting — Radial can, snap‑in terminal type for secure board mounting; compact dimensions approximately L: 3 × D: 3 cm with a seated height maximum of 1.181 inch.
• Leakage Current Specification — Leakage current follows I ≤ 3√(C·V) μA after 5 minutes at 20°C (C = capacitance in μF, V = voltage in V).
• Environmental Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Voltage‑fluctuating equipment — Energy storage and smoothing in systems that experience line or load voltage variation, benefiting from improved safety features and extended voltage ratings.
• Power supplies and converters — Bulk filtering and ripple absorption where high DC voltage and elevated operating temperature endurance are required.
• Industrial electronics — General‑purpose use in industrial assemblies that demand sustained ripple handling and high‑temperature reliability.

Unique Advantages

• Proven high‑temperature endurance: Withstands 2000 hours of rated ripple current at 105°C, providing predictable lifetime performance under thermal stress.
• High‑voltage flexibility: Extended voltage range options (including 400 V rating for this part) support designs that require robust DC bus or high‑voltage energy storage.
• Enhanced safety under abnormal voltages: Design and pressure relief characteristics reduce the risk of hazardous failures when subjected to excessive voltage conditions.
• Snap‑in radial package: Secure mechanical mounting simplifies assembly for high‑current and high‑vibration environments.
• Clear electrical limits: Specified leakage current formula and defined ripple current ratings enable straightforward thermal and reliability calculations.
• Regulatory compliance: RoHS conformity supports use in regions requiring restricted‑substance compliance.

Why Choose LAK2G151MELB30ZB?

The LAK2G151MELB30ZB combines high‑voltage capability, elevated temperature endurance and defined ripple performance in a snap‑in aluminum electrolytic package designed for general‑purpose and industrial applications. Its safety‑oriented construction and endurance test pedigree make it appropriate for designs exposed to fluctuating voltages that require reliable bulk energy storage and filtering.

Engineers specifying for power supplies, converters and industrial control equipment will value the clear electrical limits (leakage current formula, ripple ratings) and the robustness demonstrated at 105°C. Backed by Nichicon's LAK series design, this part offers predictable long‑term performance where sustained high voltage and elevated temperature operation are needed.

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