LAK2D331MELB25ZB

The LAK2D331MELB25ZB is a snap-in terminal aluminum electrolytic capacitor from Nichicon's LAK series, offering 330 µF capacitance at a 200 V rating in a radial can package. It is designed for general-purpose applications and for equipment used in voltage-fluctuating areas.

Key value propositions include high-temperature endurance (2000 hours at 105°C under rated ripple current), robust ripple-handling capability, safety features for abnormal voltage conditions, and RoHS compliance.

Key Features

• Capacitance & Voltage — 330 µF rated capacitance at 200 V for elevated-voltage bulk energy storage.
• Package & Mounting — Snap-in terminal, radial can; dimensions L: 2.5 × D: 3.0 cm with a seated height max of 2.5 cm for compact power assemblies.
• Temperature & Lifetime — Operating range −25°C to +105°C with 2000 hours endurance at 105°C when subjected to DC bias plus rated ripple current.
• Ripple & Leakage — Rated ripple current of 1.05 A at 120 Hz and 1.26 A at 10 kHz; leakage current specified at 0.77 mA.
• Stability & Losses — Capacitance tolerance ±20% and tangent of loss angle (tan δ) 0.20 max at 120 Hz, 20°C.
• Safety & Compliance — Pressure relief vent and improved safety measures for abnormally excessive voltage; RoHS compliant.

Typical Applications

• General-purpose electronics — Bulk capacitance in a wide range of general-purpose circuits where a 200 V rating is required.
• Equipment in voltage-fluctuating environments — Suited to systems exposed to varying supply conditions thanks to extended voltage handling and safety design.
• High-temperature power assemblies — Reliable performance in power modules and assemblies operating up to 105°C with long-duration ripple stress.

Unique Advantages

• High thermal endurance: 2000 hours at 105°C under rated ripple current reduces the need to overspecify for elevated-temperature applications.
• High-voltage capability: 200 V rating supports designs with elevated DC bus voltages without special derating.
• Robust ripple handling: Measured ripple ratings of 1.05 A (120 Hz) and 1.26 A (10 kHz) provide sustained AC stress tolerance.
• Safety-focused construction: Pressure relief vent and improved abnormal-voltage protections enhance operational safety.
• Compact, serviceable form factor: Snap-in radial can simplifies secure mounting in dense power layouts.
• Regulatory compliance: RoHS compliant to address material-restriction requirements.

Why Choose LAK2D331MELB25ZB?

The LAK2D331MELB25ZB combines elevated voltage handling, significant capacitance, and high-temperature endurance in a snap-in radial can designed for general-purpose and voltage-fluctuating equipment. Its measured ripple ratings, controlled loss tangent, and leakage characteristics make it a practical choice where sustained AC stress and thermal robustness are required.

This part is appropriate for designers specifying reliable bulk capacitance in compact power assemblies and systems that demand long life at elevated temperatures, backed by the Nichicon LAK series design and safety features.

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