LGA2W221MELA35

The LGA2W221MELA35 is a snap‑in terminal aluminum electrolytic capacitor designed for general‑purpose applications that require high capacitance and sustained ripple performance. It is a radial, can‑type capacitor rated 220 μF at 450 V with polarization and RoHS compliance.

Engineered for high ripple environments and elevated operating temperatures, this LGA series part delivers long life under stress — able to withstand 5000 hours of rated ripple current at 105°C — making it suitable for designs that demand reliable DC bulk capacitance and high ripple tolerance.

Key Features

• Capacitance & Voltage: 220 μF nominal capacitance at a 450 V rated voltage, with a tolerance of ±20% (120 Hz, 20°C).
• High Ripple Capability: Rated ripple current of 1.54 A at 120 Hz and 2.202 A at 50 kHz, enabling robust AC ripple handling under load.
• Long Life at High Temperature: Endurance validated to withstand 5000 hours of D.C. bias plus rated ripple current at 105°C with defined limits for capacitance change, tan δ, and leakage.
• Wide Operating Range: Specified for operation from −40°C to +105°C for use in elevated temperature environments.
• Snap‑In, Radial Can Package: Snap‑in terminal termination in a radial can form factor with a nominal size of φ25 × 35 mm (L: 3.5 × D: 2.5 cm) for board‑mount applications.
• Electrical Stability and Loss: Tangent of loss angle (tan δ) ≤ 0.20 at 120 Hz, 20°C; low‑temperature impedance ratio Z(−25°C)/Z(+20°C) specified as 8.
• Leakage Current Specification: Leakage current after 5 minutes at 20°C follows I ≤ 3√CV (μA), where C is μF and V is rated voltage, enabling predictable DC leakage behavior.
• RoHS Compliant: Conforms to RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General‑Purpose Power Electronics: Provides bulk capacitance and high ripple handling for general‑purpose power circuitry where polarized aluminum electrolytics are required.
• High‑Temperature, High‑Ripple Environments: Suited to applications that demand sustained ripple performance at elevated temperature, supported by a 5000‑hour endurance at 105°C.
• Board‑Mounted Radial Designs: Snap‑in, radial can package for through‑hole assembly where secure terminal retention and compact bulk capacitance are needed.

Unique Advantages

• Proven High‑Temperature Endurance: Capable of continuous rated ripple stress for 5000 hours at 105°C, offering predictable life performance in demanding thermal environments.
• High Voltage & High Capacitance Combination: 450 V rating combined with 220 μF capacitance supports designs requiring significant energy storage at elevated voltages.
• Quantified Ripple Ratings: Published ripple current figures at both low and high frequencies (1.54 A at 120 Hz, 2.202 A at 50 kHz) allow engineers to match part selection to expected operating spectra.
• Stable Electrical Characteristics: Defined tan δ limits, leakage current formula, and low‑temperature impedance ratio provide engineering‑grade data for performance calculations.
• RoHS Compliance: Material compliance simplifies environmental regulatory considerations for product bills of materials.
• Compact Snap‑In Form Factor: Radial, snap‑in can design offers a space‑efficient solution for through‑hole bulk capacitance needs.

Why Choose LGA2W221MELA35?

The LGA2W221MELA35 positions itself as a rugged, high‑capacitance snap‑in aluminum electrolytic solution for designs that require sustained ripple handling and long life at elevated temperatures. Its combination of 220 μF at 450 V, quantified ripple current ratings, and 5000‑hour endurance at 105°C makes it suited to engineers specifying reliable bulk capacitance in general‑purpose power applications.

This part is ideal for projects that need predictable electrical behavior (leakage current formula, tan δ limits, impedance ratio) and regulatory cleanliness through RoHS compliance. The radial snap‑in package and published dimensional data simplify integration into through‑hole board layouts and retrofits where can‑type electrolytics are used.

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