LGR2W820MELZ45

The LGR2W820MELZ45 is a snap‑in terminal aluminum electrolytic capacitor designed for general‑purpose high‑voltage applications. It combines an 82 µF capacitance with a 450 V rated voltage and a radial, can-type snap‑in package for secure board mounting.

Engineered for long life, this component is specified to withstand 10,000 hours of ripple current at 105°C and is RoHS compliant, making it suitable for designs that require sustained performance under elevated temperature and ripple stress.

Key Features

• Capacitance & Voltage: 82 µF nominal capacitance with a 450 V rated voltage, suitable for high‑voltage circuit requirements.
• Long‑Life Endurance: Specified endurance of 10,000 hours when DC bias plus rated ripple current is applied at 105°C; capacitance change remains within ±25% after the endurance test.
• High Temperature Operation: Rated operating temperature range of −25°C to +105°C for 400 V and 450 V models, supporting elevated‑temperature applications.
• Snap‑In, Radial Can Package: Snap‑in terminal type with radial can package for secure mechanical retention and through‑hole mounting.
• Ripple Current Capability: Rated ripple current of 560 mArms at 120 Hz and 800.8 mArms at 50 kHz, with frequency coefficients provided in the series datasheet for other frequencies.
• Leakage Current Specification: Leakage current limited by I ≤ 3√(C·V) µA after 5 minutes’ application of rated voltage at 20°C (C = µF, V = volts).
• Electrical Losses: Tangent of loss angle (tan δ) specified up to 0.20 (max.) at 120 Hz, 20°C for 450 V units.
• Polarized Component: Polarized electrolytic design; observe polarity in application.
• Tolerance & Size: Capacitance tolerance ±20%; physical size approximately L: 4.5 × D: 2.2 cm in a radial snap‑in can format.
• Compliance: RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• General‑purpose high‑voltage circuits — Provides bulk capacitance and DC bus support where an 82 µF, 450 V polarized capacitor is required.
• High‑temperature ripple environments — Suited for circuits that must tolerate sustained ripple current at elevated temperature, backed by a 10,000‑hour endurance rating at 105°C.
• Through‑hole, robust mounting designs — Snap‑in radial can package offers secure mechanical retention for heavier boards and equipment requiring through‑hole components.

Unique Advantages

• Validated long‑life performance: Endurance specification of 10,000 hours at 105°C under rated conditions provides predictable life behavior under continuous ripple stress.
• High voltage capability: 450 V rating addresses higher‑voltage system needs without requiring series stacking of lower‑voltage capacitors.
• Frequency‑aware ripple handling: Published ripple current values at 120 Hz and 50 kHz and series frequency coefficients enable designers to size capacitors against expected operating frequencies.
• Leakage current control: Defined leakage current limit (I ≤ 3√CV µA) after standard voltage application helps with precise bias and power loss budgeting.
• RoHS compliance: Meets current RoHS directives for materials compliance.
• Secure mounting form factor: Snap‑in radial can simplifies placement for through‑hole assemblies requiring reliable mechanical retention.

Why Choose LGR2W820MELZ45?

The LGR2W820MELZ45 is positioned for designs that require a high‑voltage, long‑life aluminum electrolytic capacitor in a robust snap‑in package. Its 450 V rating, 82 µF capacitance, and 10,000‑hour endurance at 105°C provide a transparent performance profile for engineers managing ripple, temperature, and lifetime tradeoffs.

This part is well suited to engineers and procurement teams specifying general‑purpose, high‑voltage electrolytic capacitors where predictable endurance, defined leakage characteristics, and RoHS compliance are important considerations.

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