LGU1V332MELZ

The LGU1V332MELZ from Nichicon is a snap‑in terminal aluminum electrolytic capacitor in the LGU series, offering 3.3 mF capacitance at a 35 V rating. It is a polarized, radial can (snap‑in) device designed for general‑purpose power electronics requiring compact bulk capacitance and reliable thermal endurance.

Key value propositions include high ripple‑current capability, extended life at elevated temperature, and a compact snap‑in package well suited to board‑level power rails and general power‑conditioning roles.

Key Features

• Electrostatic characteristics — 3.3 mF (3300 µF) capacitance with ±20% tolerance, providing substantial bulk energy storage for 35 V circuits.
• Rated voltage — 35 V working voltage for medium‑voltage rails in power supplies and embedded systems.
• High ripple‑current handling — Low‑frequency ripple current of 1.45 A (120 Hz) and high‑frequency ripple current of 1.667 A (50 kHz), enabling effective smoothing under continuous AC ripple conditions.
• Loss characteristics — tanδ (DF) 0.35 measured at 20 °C and 120 Hz, useful for assessing dissipation under AC excitation.
• Leakage current — Specified leakage current of 1010 µA after rated voltage application, allowing predictable bias behavior.
• Thermal endurance — Rated operating temperature range −40 °C to +105 °C with 3000 hours endurance at 105 °C when subjected to rated ripple and DC bias.
• Package and mounting — Snap‑in radial can, size Ø22 × 25 mm (φ22×25L), supplied in tray packing for production assembly.
• Compliance and availability — RoHS‑compliant and listed as mass production status in the LGU series.

Typical Applications

• Power supply smoothing — Bulk capacitance for 35 V rails to reduce voltage ripple, leveraging 3.3 mF capacitance and high ripple‑current ratings for stable DC outputs.
• Rail decoupling and energy buffering — Decouples transient loads and provides local energy storage on board‑level power buses where sustained ripple and elevated temperature operation are expected.
• Industrial and embedded power modules — General‑purpose capacitor for power conditioning in embedded controllers and industrial modules requiring −40 °C to +105 °C operation and long thermal endurance.

Unique Advantages

• Proven thermal life — 3000 hours at 105 °C under rated ripple and DC bias supports designs intended for extended elevated‑temperature operation.
• Robust ripple performance — Specified ripple currents at both low (120 Hz) and higher (50 kHz) frequencies enable use across a range of switching and line‑frequency environments.
• Compact snap‑in form factor — Ø22 × 25 mm radial snap‑in can balances board space and capacitance for production assembly.
• Predictable electrical behavior — Documented tanδ and leakage current values support straightforward thermal and loss budgeting in power designs.
• Production readiness — Tray packing and mass‑production status facilitate volume procurement and streamlined assembly handling.

Why Choose LGU1V332MELZ?

LGU1V332MELZ is positioned for engineers who need a reliable, high‑capacitance aluminum electrolytic capacitor for 35 V power rails where thermal endurance and sustained ripple performance matter. Its combination of 3.3 mF capacitance, specified ripple currents across frequency, and 3000‑hour life at 105 °C makes it suitable for general‑purpose power conditioning and energy buffering in production systems.

As part of Nichicon’s LGU series, this snap‑in radial can provides clear, verifiable electrical and mechanical specifications—supporting predictable integration into power supply, decoupling, and embedded power designs where long‑term robustness and RoHS compliance are required.

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