LGJ2E271MELC15

The LGJ2E271MELC15 from Nichicon is a snap-in terminal aluminum electrolytic capacitor in the LGJ series, offering 270 µF capacitance at a 250 V rating for general-purpose power-electronics applications. Designed for polarized DC use, it targets power-supply filtering, bulk energy smoothing and other industrial and commercial power circuits that require stable capacitance and defined ripple handling.

Key Features

• Capacitance & Voltage — 270 µF nominal capacitance with a 250 V rated voltage, suitable for medium-voltage DC filtering and bulk storage roles.
• Tolerance & Polarization — Capacitance tolerance of −20% to +20% and polarized construction for correct DC orientation in circuit designs.
• Operating Temperature & Lifetime — Rated for operation from −40°C to +105°C with a published lifetime of 2000 hours at 105°C.
• Mounting & Package — Snap-in terminal, radial can package for secure PCB retention in power assemblies.
• Ripple Current Performance — Rated ripple currents of 1.0 A at 120 Hz and 1.5 A at 50 kHz; frequency coefficient data (series) shows a coefficient up to 1.50 at 50 kHz for the 200–250 V range, indicating increased allowable ripple at higher frequencies.
• Leakage Current Specification — Series leakage current characteristic defined as I ≤ 3√(C·V) µA after 5 minutes’ application of rated voltage at 20°C (C = µF, V = V).
• Identification — Marked with white letters on a black sleeve for clear polarity and part identification.

Typical Applications

• Power Supplies — Bulk smoothing and DC filtering on 250 V rails to stabilize voltage and reduce ripple in switch-mode and linear supplies.
• Industrial Power Electronics — Energy storage and decoupling on control and drive circuits where robust temperature and ripple performance are required.
• UPS and Backup Systems — Capacitor bank segments for intermediate energy storage and filtering in uninterruptible power systems and power conditioning equipment.

Unique Advantages

• 250 V rating for medium-voltage designs — Enables use on higher-voltage DC rails without needing additional series components.
• Solid ripple handling at high frequency — Rated ripple currents and series frequency coefficient (up to 1.50 at 50 kHz) help designers size capacitors for higher-frequency switching environments.
• Wide ambient range — −40°C to +105°C operating window supports deployment across varied industrial and commercial environments.
• Defined end-of-life expectation — 2000 hours at 105°C rating provides a measurable thermal endurance parameter for reliability planning.
• Snap-in mounting — Provides robust mechanical retention for high-current power assemblies and simplifies installation on PCB power planes.
• Clear leakage specification — Leakage current limit given by I ≤ 3√(C·V) µA (after 5 minutes at 20°C) allows predictable selection for low-leakage designs.

Why Choose LGJ2E271MELC15?

The LGJ2E271MELC15 positions itself as a practical, specification-driven choice for engineers needing a 270 µF, 250 V polarized capacitor with solid ripple capability and defined thermal endurance. Its snap-in radial can construction and clear electrical limits make it straightforward to integrate into medium-voltage DC power systems, industrial control equipment, and backup power applications.

Ideal for procurement and design teams that require verifiable specifications—capacitance, rated voltage, operating temperature range, ripple ratings and a published lifetime—this Nichicon LGJ series part supports predictable performance and reliable BOM planning.

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