LLS2E681MELB

The LLS2E681MELB from Nichicon is a snap‑in terminal aluminum electrolytic capacitor in the LLS series, designed for general‑purpose power applications. It provides 680 µF capacitance at a 250 V rating, combining high capacitance and voltage capability in a radial, can snap‑in package.

Engineered for sustained performance, this capacitor is specified for operation from −40 °C to +85 °C and is rated to withstand 3000 hours of rated ripple current at 85 °C, making it suitable for designs that require reliable long‑term ripple handling and energy storage.

Key Features

• Capacitance and Voltage — 680 µF capacitance rated at 250 V DC, providing substantial energy storage for mid‑to‑high voltage power rails.
• Snap‑in Radial Can Package — Snap‑in terminal mounting for secure board retention and straightforward assembly into power modules or filter banks.
• Endurance at Elevated Temperature — Specified to withstand 3000 hours of rated ripple current at 85 °C; after the endurance test, capacitance remains within ±20% of the initial value and leakage current is within initial specified limits.
• Wide Operating Temperature Range — Rated for −40 °C to +85 °C to support a broad set of environmental conditions.
• Ripple Current Performance — Rated ripple current of 2.71 A at 120 Hz and 4.065 A at 50 kHz, enabling effective AC ripple handling across common power frequencies.
• Electrical Quality Metrics — Capacitance tolerance ±20% (120 Hz, 20 °C) and dielectric loss specification (tan δ) measured at 120 Hz, 20 °C with the 250 V rating having a tan δ maximum of 0.15.
• Leakage Current Specification — Leakage current defined by I ≤ 3√(C·V) (μA) after 5 minutes at 20 °C, supporting predictable power loss budgeting.
• RoHS Compliant — Conforms to RoHS directive requirements for restricted substances.
• Polarized — Designed as a polarized electrolytic capacitor; observe polarity during installation.
• Compact Footprint — Size dimensions listed as L: 3 × D: 3 cm for efficient placement in power assemblies.

Typical Applications

• General‑Purpose Power Systems — Serves as bulk energy storage and smoothing in general‑purpose DC power supplies where 250 V, high capacitance is required.
• Power Filter Assemblies — Used in filter banks and decoupling networks that demand sustained ripple current handling at elevated temperatures.
• Industrial Power Modules — Fits radial, snap‑in layouts common in industrial power electronics requiring durable electrolytic capacitors.

Unique Advantages

• Long‑term Ripple Endurance: Specified to endure 3000 hours of rated ripple current at 85 °C, delivering predictable life performance under continuous ripple stress.
• High Voltage and High Capacitance: 250 V rating paired with 680 µF capacitance provides significant energy storage in a single component.
• Measurable Ripple Performance: Published ripple current values at 120 Hz and 50 kHz allow designers to size capacitors against actual operating frequencies.
• Clear Electrical Specifications: Defined leakage current, tan δ limits, and capacitance tolerance enable straightforward circuit-level reliability and loss calculations.
• RoHS Compliance: Meets regulatory requirements for restricted substances, simplifying end‑product compliance efforts.
• Practical Mounting: Snap‑in radial can simplifies mechanical retention for power assemblies requiring secure through‑board mounting.

Why Choose LLS2E681MELB?

The LLS2E681MELB blends high capacitance and 250 V capability with proven endurance characteristics from the Nichicon LLS series. Its documented ripple current ratings, leakage current formula, and loss angle limits make it straightforward to specify into designs that require reliable energy storage and ripple handling over extended periods at up to 85 °C.

This part is well suited to engineers and procurement teams building general‑purpose power supplies, filter networks, and industrial power modules that prioritize verifiable electrical performance, RoHS compliance, and durable snap‑in installation.

For pricing, lead time, or to request a formal quote for the LLS2E681MELB, please submit an inquiry to your preferred distributor or sales channel outlining your quantity and delivery requirements.