LAQ2G271MELB40

The LAQ2G271MELB40 is a snap-in terminal aluminum electrolytic capacitor designed for general-purpose high-voltage applications. It delivers 270 µF capacitance at a 400 V rating in a compact snap-in can (φ30 × 40 mm), combining high-voltage capability with robust ripple handling and long-term endurance.

Targeted for power-focused circuits that require reliable DC link or filtering components, this part offers defined ripple-current ratings, low loss tangent, and an endurance specification at elevated temperature for stabilized performance in demanding environments.

Key Features

• Type & Mounting — Snap-in terminal radial can package suited for secure PCB installation.
• Capacitance & Voltage — 270 µF nominal capacitance with ±20% tolerance at a 400 V rated voltage.
• Temperature & Endurance — Rated for operation from −25°C to +105°C with a specified endurance of 2000 hours at 105°C under DC bias plus rated ripple current.
• Ripple Current Performance — Low-frequency ripple current: 1.300 A at 120 Hz; high-frequency ripple current: 1.495 A at 10 kHz, enabling effective smoothing under varying switching conditions.
• Loss & Leakage — Tangent of loss angle (tanδ) 0.20 (max) measured at 20°C, 120 Hz; specified leakage current 980 µA.
• Compact Mechanical Profile — Size approximately φ30 × 40 mm (D × L), providing a space-efficient high-voltage solution.
• Designed Safety Features — Built with a pressure relief vent behavior specified to operate without dangerous conditions under the stated safety performance tests.

Typical Applications

• Industrial power supplies — Use as bulk smoothing and DC link capacitance where a 400 V rated, high-capacitance snap-in part is required; supports defined ripple at 120 Hz and 10 kHz.
• Power conversion modules — Suitable for general-purpose filtering in converters and inverters that need stable capacitance over temperature and long endurance at 105°C.
• Energy storage & smoothing — Employed for decoupling and energy buffering in high-voltage circuitry that benefits from low tanδ and defined leakage current.

Unique Advantages

• High-voltage capability — 400 V rating enables use in circuits that require elevated DC voltage handling without compromising capacitance.
• Defined ripple handling — Published ripple current ratings at both low and high frequencies allow designers to size and place capacitors with predictable thermal and electrical behavior.
• Long-term elevated-temperature endurance — 2000 hours at 105°C under DC bias plus rated ripple current provides a clear reliability metric for lifetime planning.
• Low loss and controlled leakage — Maximum tanδ of 0.20 (120 Hz, 20°C) and specified leakage current support efficient operation and predictable standby characteristics.
• Secure snap-in mounting — Radial, can-style snap-in package offers mechanical stability for board-level power assemblies.
• Mass-production availability — Product is listed as Mass Production, supporting volume procurement and consistent supply.

Why Choose LAQ2G271MELB40?

The LAQ2G271MELB40 combines a high 400 V rating with a substantial 270 µF capacitance in a compact snap-in aluminum electrolytic package, making it suitable for general-purpose high-voltage filtering and energy storage roles. With defined ripple-current performance at both low and high frequencies, a controlled loss tangent, and a 2000-hour endurance at 105°C, it provides engineers clear, verifiable performance parameters for robust power designs.

Manufactured by Nichicon and offered in mass production, this capacitor is appropriate for designs that require repeatable electrical behavior, secure board mounting, and long-term operation under elevated temperature and ripple stress.

Request a quote or submit an inquiry to receive pricing, availability, and lead-time information for the LAQ2G271MELB40.