LAK2G221MELC30ZB

The LAK2G221MELC30ZB is a snap‑in terminal aluminum electrolytic capacitor designed for general‑purpose power applications. It is a polarized, radial can, snap‑in type capacitor rated at 220 µF and 400 V, optimized for use in equipment that experiences voltage fluctuation.

Engineered for robust thermal and ripple performance, this capacitor supports long endurance at elevated temperature (2000 hours at 105°C) and includes enhanced safety features for abnormally excessive voltage. The part is RoHS compliant.

Key Features

• Capacitance & Voltage — Nominal capacitance 220 µF with a rated voltage of 400 V and a capacitance tolerance of ±20% (at 120 Hz, 20°C).
• High‑Temperature Endurance — Specified to withstand 2000 hours with rated ripple current at 105°C, supporting sustained operation in hot environments.
• Ripple Current Performance — Rated ripple current of 900 mA at 120 Hz and 1.035 A at 10 kHz, enabling effective smoothing under AC and switching stress conditions.
• Electrical Stability — Series specifications include leakage current limits (I ≤ 3√CV µA after 5 minutes at 20°C) and tan δ max of 0.20 at 120 Hz, 20°C.
• Safety Features — Improved safety design with a pressure relief vent that operates under abnormal overvoltage conditions to limit hazardous outcomes.
• Mechanical & Mounting — Radial, snap‑in can package for secure panel or board mounting; polarized orientation for correct installation.
• Operating Range — Rated for −25°C to +105°C operating temperature range to suit a variety of ambient conditions.
• RoHS Compliance — Conforms to RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Power supply filtering and smoothing — Provides bulk capacitance and ripple handling in supplies subject to voltage fluctuations.
• Industrial equipment — Suitable for general‑purpose industrial electronics where elevated operating temperature and long ripple endurance are required.
• Commercial power electronics — Used in equipment that must tolerate transient or fluctuating voltages while maintaining capacitance stability.

Unique Advantages

• Extended high‑temperature life: Rated for 2000 hours at 105°C with rated ripple current, reducing the need for frequent replacement in hot operating environments.
• Robust ripple capability: Defined ripple ratings at both low and high frequency (900 mA at 120 Hz, 1.035 A at 10 kHz) support a range of switching and mains‑driven applications.
• Safety‑oriented design: Pressure relief vent and improved protection against abnormal excessive voltage enhance operational safety in fluctuating voltage scenarios.
• Practical mounting form factor: Snap‑in radial can simplifies mechanical installation for panel or board assemblies needing secure, high‑capacitance components.
• Traceable electrical limits: Leakage and tan δ specifications (including I ≤ 3√CV after 5 minutes and tan δ ≤ 0.20 at 120 Hz) provide measurable acceptance criteria for quality control.

Why Choose LAK2G221MELC30ZB?

The LAK2G221MELC30ZB combines 220 µF bulk capacitance with a 400 V rating in a snap‑in aluminum electrolytic package built for sustained high‑temperature ripple duty. Its series‑level safeguards against abnormal overvoltage and clearly defined electrical limits make it a dependable choice for designs operating in voltage‑fluctuating environments.

This part is well suited for engineers and procurement teams specifying capacitors for power supplies, industrial electronics, and other commercial systems where longevity at elevated temperature, measurable ripple performance, and safety‑oriented behavior are required.

Request a quote or submit an inquiry for pricing and availability of the LAK2G221MELC30ZB to evaluate suitability for your design and production needs.