LLS1C393MELB

The LLS1C393MELB is a Nichicon LLS series aluminum electrolytic capacitor in a snap‑in terminal can, rated 39,000 µF at 16 V. It is designed for general‑purpose applications requiring high bulk capacitance in a radial, snap‑in package.

Key attributes include snap‑in mounting for secure board retention, an operating temperature range of −40 °C to +85 °C, and a guaranteed 3,000‑hour endurance at 85 °C under rated ripple current conditions.

Key Features

• High Capacitance — 39,000 µF (39 mF) provides substantial bulk capacitance for power systems where large energy storage or smoothing is required.
• Rated Voltage — 16 V nominal rating suitable for low‑voltage power rails and general‑purpose power applications.
• Snap‑In Radial Can Package — Snap‑in terminals and a radial can (φ30 × 45 mm) enable robust mechanical retention and straightforward PCB insertion.
• Wide Operating Temperature — Specified for −40 °C to +85 °C to support designs that must operate across common environmental ranges.
• Endurance and Reliability — Specified to withstand 3,000 hours at 85 °C with rated ripple current applied; after the endurance test, capacitance change remains within ±20% and leakage does not exceed the initial specification.
• Ripple Current Performance — Rated ripple current values include 6.21 A at 120 Hz and 7.141 A at 50 kHz, enabling use where defined ripple handling is required.
• Electrical Characteristics — Capacitance tolerance ±20% (at 120 Hz, 20 °C); tangent of loss angle (tan δ) maximum 0.50 at 16 V (120 Hz, 20 °C); leakage current defined by I ≤ 3√(C·V) μA after 5 minutes at 20 °C.
• RoHS Compliant — Meets RoHS directive requirements.

Typical Applications

• General‑Purpose Power Supplies — Bulk capacitance for smoothing and reservoir use on low‑voltage rails where 16 V maximum is required.
• Industrial Power Electronics — Board‑mount snap‑in installation for systems needing sustained ripple endurance at elevated temperature.
• Energy Storage / Decoupling — Large capacitance for decoupling and energy buffering in circuits within the rated voltage and temperature limits.

Unique Advantages

• Large Bulk Capacitance in Compact Can — 39,000 µF in a φ30 × 45 mm package delivers high capacitance density for space‑constrained designs.
• Designed for Long Endurance — 3,000 hours at 85 °C under rated ripple current provides predictable long‑term performance for continuous‑duty applications.
• Clear Electrical Limits — Specified tan δ, leakage current formula, and ripple current values allow straightforward thermal and electrical design margins.
• Secure PCB Retention — Snap‑in terminals facilitate reliable mechanical mounting for through‑hole assemblies.
• RoHS Compliance — Meets environmental regulatory requirements for restricted substances.

Why Choose LLS1C393MELB?

LLS1C393MELB positions itself as a practical, performance‑focused option for designs that require very high bulk capacitance at 16 V in a board‑mountable snap‑in can. Its defined ripple current ratings, endurance at 85 °C, and clear electrical specifications make it suited to engineers who need verifiable component behavior under sustained thermal and electrical stress.

This part is appropriate for customers building general‑purpose power systems, industrial electronics, and other applications where high capacitance, predictable endurance and RoHS compliance are required. Choosing Nichicon’s LLS1C393MELB supports reliable, specification‑driven design and long‑term availability as part of the LLS series.

Request a quote or contact sales to discuss availability, lead time, and volume pricing for LLS1C393MELB.