LGY1V123MELB40

The LGY1V123MELB40 from Nichicon is a snap‑in terminal aluminum electrolytic capacitor from the LGY series, offering high capacitance in a radial can package. It is engineered for long life at elevated temperatures (105°C) and is intended for general‑purpose industrial use where sustained ripple handling and reliability are required.

Key use cases include industrial power supplies and ballast applications; the part combines 12,000 μF capacitance with a 35 V rating, polarized construction, and RoHS compliance for streamlined integration into production designs. Tray packing supports mass production workflows.

Key Features

• Capacitance & Voltage — 12,000 μF (12 mF) nominal capacitance at a rated voltage of 35 V with a tolerance of ±20%.
• High‑temperature, Long‑life Assurance — Designed for operation from −40°C to +105°C with an endurance specification of 5,000 hours at 105°C under applied DC bias plus rated ripple current.
• Ripple Current Performance — Rated ripple current values of 2.9 A at 120 Hz and 3.335 A at 50 kHz, with published frequency coefficients for ripple current across common frequencies.
• Mounting & Package — Snap‑in terminal, radial can package (φ30 × 40 mm nominal dimension), providing secure board mounting suitable for high‑current and high‑vibration environments.
• Polarized Electrolytic — Polarized capacitor construction for DC filter and energy storage applications.
• Compliance & Marking — RoHS compliant; sleeve marking is printed in white on a black sleeve per series standard.

Typical Applications

• Industrial Power Supplies — Bulk filtering and DC bus smoothing where high capacitance and sustained ripple handling at elevated temperatures are needed.
• Ballasts — Energy storage and filtering in ballast circuits as specified for the LGY series.
• General Purpose Power Electronics — Decoupling and energy buffering in industrial control and power conversion systems requiring long life at 105°C.

Unique Advantages

• High energy storage density: 12,000 μF at 35 V provides substantial bulk capacitance for DC smoothing and transient support.
• Rated for elevated temperature long life: 5,000‑hour endurance at 105°C under rated ripple conditions supports sustained operation in harsh thermal environments.
• Frequency‑capable ripple handling: Specified ripple current at both 120 Hz and 50 kHz helps address low‑ and high‑frequency filtering needs in switching supplies.
• Secure snap‑in mounting: Snap‑in radial can termination facilitates robust board retention for industrial assemblies.
• Production friendly: Tray packing and mass production availability support volume manufacturing and consistent supply.
• Regulatory compliance: RoHS compliance supports environmental requirements for commercial and industrial products.

Why Choose LGY1V123MELB40?

The LGY1V123MELB40 positions itself as a reliable, high‑capacitance solution for designers who need durable electrolytic energy storage in industrial environments. Its combination of 12,000 μF capacitance, 35 V rating, snap‑in packaging, and a 5,000‑hour life at 105°C makes it suitable for power supplies, ballast circuits, and other power electronics where continuous ripple handling and temperature resilience matter.

This capacitor is appropriate for engineering teams focused on durability and predictable end‑of‑life behavior, offering clear specification data for capacitance tolerance, leakage, ripple current, and thermal endurance backed by the LGY series documentation.

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