LLS2V181MELZ

The LLS2V181MELZ is an aluminum electrolytic capacitor in a snap‑in radial can designed for general‑purpose power applications. It delivers 180 µF of capacitance at a rated voltage of 350 V with a ±20% tolerance and is specified for operation from –25°C to 85°C.

Engineered for durable performance under ripple stress, this part is specified for 3,000 hours of endurance at 85°C with rated ripple current applied, and offers defined low‑frequency and high‑frequency ripple current capabilities and controlled dissipation factor for reliable bulk energy storage and filtering tasks.

Key Features

• Rated Voltage & Capacitance — 350 V rated voltage with 180 µF nominal capacitance and ±20% tolerance (measured at 120 Hz, 20°C).
• Snap‑In Radial Package — Snap‑in terminal type in a radial can (φ22 × 30 mm / L: 3.0 cm × D: 2.2 cm) for secure chassis or board mounting.
• Endurance at Elevated Temperature — Withstands 3,000 hours of rated ripple current at 85°C, meeting the LLS series endurance specification.
• Ripple Current Capability — Rated ripple current of 1.340 A at 120 Hz (low frequency) and 1.916 A at 50 kHz (high frequency) to support smoothing and filtering under AC ripple conditions.
• Dissipation Factor (tan δ) — Specified tan δ of 0.15 (max) at 120 Hz, 20°C for the 350 V rating to quantify dielectric losses.
• Leakage Current — Specified leakage current of 750 µA, measured under standard conditions.
• Operating Temperature Range — Rated for operation between –25°C and 85°C consistent with the 350 V category in the LLS series.
• RoHS Compliant — Manufactured to comply with RoHS requirements.

Typical Applications

• General‑purpose power filtering — Bulk capacitance and ripple handling for smoothing DC outputs in power supplies and converters.
• Energy storage for power rails — Provides charge reservoir capability where high voltage (350 V) bulk capacitance is required.
• AC ripple suppression — Designed to handle defined low‑ and high‑frequency ripple currents for reliable suppression in rectified or switching circuits.

Unique Advantages

• High‑voltage capability: 350 V rating supports designs requiring substantial DC bus voltage headroom.
• Defined ripple performance: Explicit ripple current ratings at 120 Hz and 50 kHz enable designers to size capacitors against measured ripple conditions.
• Long endurance at operating temperature: 3,000‑hour qualification at 85°C under rated ripple current supports predictable lifetime planning.
• Snap‑in mounting: Robust snap‑in terminals simplify mechanical retention for chassis or PCB installations.
• Controlled dissipation factor: tan δ specified at 0.15 gives a measurable indicator of dielectric loss for thermal budgeting.
• Regulatory compliance: RoHS compliance supports use in regions and products requiring lead‑free materials.

Why Choose LLS2V181MELZ?

LLS2V181MELZ positions itself as a reliable, general‑purpose high‑voltage aluminum electrolytic capacitor offering a balance of capacitance (180 µF), voltage (350 V), and ripple handling for power electronic designs. Its snap‑in radial package and 3,000‑hour endurance at 85°C provide a predictable component choice for designs that require defined lifetime and ripple performance.

This part is suitable for engineers specifying bulk energy storage and filtering components where verified ripple current ratings, quantified loss tangent, leakage limits, and RoHS compliance are required to support long‑term system reliability and regulatory needs.

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