LLS2Z391MELY

The LLS2Z391MELY is a snap‑in terminal aluminum electrolytic capacitor designed for general-purpose power electronics. Built on the LLS series architecture, it pairs a 390 µF capacitance with a 180 V rating and a snap‑in radial can package for robust PCB mounting and high‑current ripple handling.

Its design targets applications that require bulk energy storage and smoothing at elevated operating temperature, offering endurance to ripple current stresses with a proven 3000‑hour performance at 85°C. The part is RoHS compliant.

Key Features

• Capacitance & Voltage: 390 µF nominal capacitance with a 180 V rated voltage, suitable for mid‑voltage bulk filtering and energy storage.
• Temperature Range: Rated operating temperature from −40°C to +85°C, supporting a broad range of ambient conditions.
• Endurance under Ripple: Designed to withstand 3000 hours of rated ripple current at 85°C, demonstrating stable performance under continuous ripple stress.
• Ripple Current Capability: Rated ripple current of 1.84 A at 120 Hz and 2.76 A at 50 kHz, enabling effective smoothing in both low‑ and high‑frequency applications.
• Package & Mounting: Radial, can type with snap‑in terminals for secure board mounting and simplified assembly in power assemblies.
• Capacitance Tolerance & Polarization: ±20% tolerance at 120 Hz, 20°C; polarized electrolytic design for correct polarity installation.
• Leakage Current Spec: Leakage current specified as I ≤ 3√(C·V) µA after 5 minutes at 20°C, facilitating predictable standby and no‑load behavior.
• Regulatory Compliance: Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).
• Physical Size: Compact radial can with nominal dimensions L: 3 × D: 2 cm for space‑conscious power designs.

Typical Applications

• Power Supply Bulk Filtering: Smoothing and energy storage for mid‑voltage power supplies, using 390 µF capacitance and 180 V rating to reduce ripple and stabilize rails.
• Industrial Control Electronics: Filtering and decoupling in control systems where sustained ripple endurance at elevated temperature is required.
• Power Conversion Modules: DC link and intermediate smoothing in converters and inverters that benefit from the part's ripple current capability and 3000‑hour endurance at 85°C.

Unique Advantages

• Proven Ripple Endurance: Rated to withstand 3000 hours of rated ripple current at 85°C, supporting long‑term reliability in continuous‑load applications.
• Dual‑Frequency Ripple Support: Specified ripple current values at both 120 Hz and 50 kHz, simplifying selection for designs that operate across frequency ranges.
• Predictable Leakage Behavior: Leakage current defined by a clear formula (I ≤ 3√CV µA) for accurate no‑load and standby current planning.
• Robust Mounting: Snap‑in radial can package provides mechanical stability and straightforward insertion into power assemblies.
• Wide Operating Range: −40°C to +85°C rating accommodates diverse environments common in industrial and power applications.
• RoHS Compliance: Meets RoHS requirements, easing regulatory considerations for global product deployment.

Why Choose LLS2Z391MELY?

LLS2Z391MELY is positioned for engineers and procurement teams seeking a durable, mid‑voltage electrolytic capacitor that balances capacitance, ripple handling, and compact packaging. Its combination of 390 µF at 180 V, specified ripple currents at multiple frequencies, and a confirmed 3000‑hour endurance at 85°C makes it well suited for power supplies, converters, and industrial control systems where sustained performance under ripple stress matters.

Choosing this part provides predictable electrical behavior (leakage and tolerance), reliable mounting via snap‑in terminals, and RoHS compliance—offering a practical, verifiable option for long‑life power designs supported by the LLS series specifications.

For pricing, lead‑time details, or to request a quote for LLS2Z391MELY, please contact our sales team or request a formal quote through the supplier channel. Provide your project details and quantity to receive a tailored response.