LAKW6221MELB40ZB

The LAKW6221MELB40ZB is a polarized aluminum electrolytic capacitor in a radial, snap‑in can package designed for general‑purpose high‑voltage applications. It delivers 220 µF at 420 V with a temperature rating up to 105 °C and safety provisions for abnormally excessive voltage.

This part is intended for equipment exposed to voltage fluctuation and demanding thermal environments, offering extended ripple endurance and series options across 200 V, 400 V and 420 V ratings.

Key Features

• Capacitance & Voltage — 220 µF nominal capacitance at a 420 V rated voltage suitable for high‑voltage smoothing and energy storage roles.
• High‑Temperature Endurance — Specified to withstand 2000 hours of rated ripple current at 105 °C, supporting reliable operation in elevated‑temperature systems.
• Snap‑In Mounting — Radial, can‑type snap‑in terminals for mechanical stability and straightforward insertion into power assemblies.
• Improved Safety Design — Pressure relief vent and enhanced safeguards for abnormally excessive voltage to reduce risk of dangerous failure modes.
• Ripple Current Performance — Rated ripple current: 1 A at 120 Hz and 1.15 A at 10 kHz, enabling effective AC ripple handling across common power frequencies.
• Wide Operating Range — Operating temperature range from −25 °C to +105 °C with capacitance tolerance of ±20% at 120 Hz, 20 °C.
• Leakage & Loss Characteristics — Leakage current conforms to I ≤ 3√(C·V) µA after 5 minutes at 20 °C; tan δ ≤ 0.20 (120 Hz, 20 °C), supporting predictable electrical behavior.
• RoHS Compliant — Meets the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• High‑Voltage Power Supplies — Bulk smoothing and energy storage where a 420 V rating and robust ripple endurance are required.
• Industrial Equipment — General‑purpose use in machinery and systems operating in environments with voltage fluctuation and elevated temperatures.
• Power Conversion & Filtering — DC link, filtering and decoupling roles in converters that demand high voltage capability and reliable long‑term endurance.

Unique Advantages

• Extended High‑Voltage Coverage: 420 V rating with series options at 200 V and 400 V provides design flexibility across multiple supply rails.
• Proven Thermal Endurance: 2000‑hour ripple endurance at 105 °C demonstrates sustained performance under continuous thermal and electrical stress.
• Robust Mechanical Retention: Snap‑in terminals simplify assembly and provide secure mechanical mounting in power modules and chassis.
• Enhanced Safety under Abnormal Voltage: Pressure relief vent and safety features reduce the likelihood of hazardous failures during overvoltage events.
• predictable Electrical Characteristics: Defined leakage current formula and tan δ limit help engineers model behavior for power and filtering designs.
• Regulatory Compliance: RoHS conformity supports use in regions requiring restricted substances compliance.

Why Choose LAKW6221MELB40ZB?

LAKW6221MELB40ZB combines a high 420 V rating, substantial capacitance, and validated high‑temperature ripple endurance to address demanding power and industrial applications. Its snap‑in package and safety features make it suitable for designs that require secure mounting and additional protection against abnormal voltage conditions.

This capacitor is well suited for engineers designing general‑purpose high‑voltage power systems where predictable electrical performance, thermal resilience, and regulatory compliance are important for long‑term reliability.

If you would like pricing, availability, or to submit a request for a quote for LAKW6221MELB40ZB, please contact our sales team to discuss your requirements and get a formal quotation.