LAK2D221MELZ25ZB

The LAK2D221MELZ25ZB is a snap‑in terminal aluminum electrolytic capacitor in a radial can package, offering 220 µF capacitance at a 200 V rating with a compact 22 mm diameter and 25 mm length (L: 2.5 × D: 2.2 cm). It is designed for general‑purpose power applications that require durable capacitance, controlled leakage and reliable ripple handling.

As part of the LAK series, this part provides 2000 hours endurance at 105°C and includes improved safety features for abnormally excessive voltage, making it appropriate for equipment operating in voltage‑fluctuating environments where ripple endurance and thermal reliability are important.

Key Features

• Capacitance & Voltage: 220 µF rated capacitance at 200 V for bulk energy storage and decoupling in power circuits.
• High‑temperature Endurance: Rated for 2000 hours at 105°C when subjected to DC bias plus rated ripple current, supporting sustained high‑temperature operation.
• Ripple Current Performance: Rated ripple current of 740 mA at 120 Hz and 888 mA at 10 kHz, supporting AC ripple handling across low and higher frequencies.
• Leakage & Dissipation: Leakage current specified by I ≤ 3√CV (μA) after 5 minutes at 20°C; measured leakage listed as 0.62 mA for this part. Tangent of loss angle (tan δ) ≤ 0.20 at 120 Hz, 20°C.
• Safety Features: Series design includes a pressure relief vent and enhanced safety for abnormally excessive voltage conditions to reduce hazardous failure modes.
• Package & Mounting: Radial, can — snap‑in mounting for robust board retention; packaged in tray packing for manufacturing handling.
• Operating Range & Tolerance: Operating temperature range −25°C to +105°C with capacitance tolerance of ±20% (120 Hz, 20°C).
• RoHS Compliance: Manufactured in compliance with RoHS directives.

Typical Applications

• Voltage‑Fluctuating Equipment: Designed for equipment used in environments with fluctuating voltages where improved safety and long endurance at elevated temperatures are required.
• General‑Purpose Power Electronics: 200 V rating and 220 µF capacitance with specified ripple current make it suitable for general power supply filtering and energy storage in power circuits.
• Industrial Power Modules: Snap‑in radial can construction supports secure mounting in industrial power assemblies that demand mechanical stability and thermal endurance.

Unique Advantages

• Extended High‑Temperature Reliability: 2000‑hour endurance at 105°C ensures predictable performance in thermally demanding installations.
• Proven Ripple Handling: Clear ripple current ratings at 120 Hz and 10 kHz let designers size capacitors for both low‑ and higher‑frequency ripple demands.
• Safety‑Oriented Design: Pressure relief vent and series‑level improvements for abnormal voltage conditions reduce the risk of hazardous failures.
• Compact Snap‑In Package: 22 mm diameter × 25 mm length in a snap‑in radial can provides a space‑efficient solution with secure PCB retention for assembly environments.
• Measured Electrical Parameters: Specified tan δ and leakage behavior with an explicit leakage expression (I ≤ 3√CV) allow engineers to predict in‑circuit behavior and margining.
• Regulatory Compliance: RoHS compliance supports use in designs targeting restricted‑substance conformity.

Why Choose LAK2D221MELZ25ZB?

The LAK2D221MELZ25ZB combines a 200 V, 220 µF specification with robust ripple capability and extended high‑temperature endurance, delivering a reliable bulk capacitor option for general‑purpose power applications and equipment exposed to voltage fluctuations. Its snap‑in radial can packaging and defined electrical parameters simplify board layout and thermal planning for production designs.

This part is well suited to engineers and procurement teams building power supplies, industrial modules and general power electronics that require a proven electrolytic solution with clear performance data, safety features and RoHS compliance for long‑term operation and manufacturing integration.

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