LLS1C473MELC

The LLS1C473MELC from Nichicon is a snap‑in terminal, aluminum electrolytic capacitor providing 47 mF capacitance at a 16 V rating. Engineered as an 85°C standard device in the LLS series, it targets general‑purpose power applications that require bulk capacitance with robust ripple handling.

Key attributes include snap‑in mounting for secure board or chassis installation, polarized radial can construction, RoHS compliance, and specified endurance under rated ripple current at elevated temperature.

Key Features

• Capacitance & Voltage — 47 mF nominal capacitance with a 16 V rated voltage and ±20% tolerance (measured at 120 Hz, 20°C).
• Snap‑in, Radial Can Package — Snap‑in terminal type and radial can construction for reliable mechanical retention in through‑hole power assemblies.
• 85°C Endurance — Designed to withstand 3,000 hours of DC bias plus rated ripple current at 85°C, with capacitance change within ±20% after test.
• High Ripple Current Capability — Rated ripple current of 6.89 A at 120 Hz and 7.923 A at 50 kHz for effective AC filtering and smoothing under load.
• Low‑temperature Stability — For 16 V ratings, impedance ratios are specified: Z(–25°C)/Z(+20°C) ≤ 4 and Z(–40°C)/Z(+20°C) ≤ 20 (measurement at 120 Hz).
• Leakage and Loss Characteristics — Leakage current specified as I ≤ 3√CV (μA) after 5 minutes at 20°C; tangent of loss angle (tan δ) max 0.50 at 16 V (120 Hz, 20°C).
• Operating Range & Polarization — Polarized capacitor rated for operation from –40°C to +85°C and marked with white print on a black sleeve for polarity identification.
• Compact Footprint — Physical dimensions L: 4.0 × D: 3.5 cm suitable for dense power assemblies requiring high bulk capacitance in a snap‑in form factor.

Typical Applications

• Power Supply Filtering — Bulk smoothing and ripple reduction in general‑purpose DC power supplies where high capacitance and ripple handling are required.
• Industrial Power Modules — Decoupling and energy storage in industrial equipment assemblies that use snap‑in mounting for secure placement.
• Consumer and Commercial Electronics — General‑purpose bulk capacitance for devices and systems operating within –40°C to +85°C environments.

Unique Advantages

• Verified Endurance at Elevated Temperature — 3,000‑hour endurance test at 85°C under rated ripple current provides a quantifiable reliability metric for design planning.
• Measured Ripple Performance — Documented ripple current ratings at both low and high frequencies (6.89 A @ 120 Hz; 7.923 A @ 50 kHz) allow straightforward thermal and lifetime calculations.
• Clear Electrical Limits — Leakage current and tan δ limits (I ≤ 3√CV, tan δ max 0.50 at 16 V) enable predictable electrical behavior during qualification and production testing.
• Practical Form Factor — Snap‑in radial can package provides mechanical retention for through‑hole assemblies while delivering high bulk capacitance in a compact footprint.
• RoHS Compliant — Conforms to RoHS directive (2011/65/EU, (EU)2015/863), supporting environmental and regulatory requirements.

Why Choose LLS1C473MELC?

LLS1C473MELC is positioned for designers who need a robust, general‑purpose aluminum electrolytic capacitor with substantial bulk capacitance and defined ripple handling at elevated temperatures. Its snap‑in radial can package, clear electrical specifications, and documented endurance at 85°C make it suitable for power supply filtering and decoupling in a variety of equipment types.

The part offers quantifiable performance data—ripple current ratings, leakage current formula, tan δ limit, temperature stability, and endurance results—that support engineering validation, lifetime estimation, and reliable integration into assemblies where predictable capacitor behavior is required.

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