LKX2D331MESY35

The LKX2D331MESY35 is a snap-in terminal aluminum electrolytic capacitor from Nichicon’s LKX series, optimized for audio equipment and switching power supplies. It is a polarized, radial can snap-in mount capacitor delivering 330 µF at a 200 V rating.

Designed for elevated operating temperatures and high-frequency ripple environments, the part blends 105°C endurance, measured ripple capability, and materials selected to support superior acoustic performance for audio-focused applications.

Key Features

• Electrical rating — 330 µF nominal capacitance with ±20% tolerance at 120 Hz, rated for 200 V DC.
• Ripple current capability — Rated ripple current 1.20 A (Arms) at the 330 µF / 200 V size (20 × 35 mm); measured high-frequency ripple listed at 1.8 A at 50 kHz in the product specifications.
• Temperature and endurance — Operating temperature range −40°C to +105°C with an endurance specification of 2000 hours at 105°C under rated conditions.
• Package & mounting — Radial, can-type snap-in package for secure PCB mounting in power-dense assemblies; size 20 × 35 mm (φD × L).
• Audio-oriented materials — Series-level selection of materials intended to achieve superior acoustic sound for audio equipment designs.
• Polarized design — Electrolytic, polarized capacitor for use where polarity is maintained in the circuit.
• RoHS compliant — Meets RoHS directive requirements as stated for the series.
• Loss characteristics — Specified tan δ of 0.15 for the 330 µF / 200 V size.

Typical Applications

• Switching Power Supplies — Bulk and smoothing capacitance in high-voltage sections of switching power supplies where snap-in mounting and heat endurance are required.
• Audio Equipment — Power filtering and decoupling in audio amplifiers and related equipment, leveraging series-selected materials for improved acoustic performance.
• General Purpose Power Electronics — High-voltage energy storage and ripple management in industrial and consumer power designs requiring 200 V, 330 µF capacitors.

Unique Advantages

• High-temperature endurance: 2000 hours rated life at 105°C supports designs exposed to elevated operating temperatures.
• Measurable ripple performance: Rated ripple current (1.20 A at the 20 × 35 mm size) and higher frequency ripple capability (up to 1.8 A at 50 kHz) help control heating and maintain performance under AC stress.
• Audio-focused material selection: Series materials are chosen to support superior acoustic sound in audio applications, providing designers with a component tailored for sonic performance.
• Snap-in radial package: Robust snap-in mounting simplifies PCB assembly for power modules and improves mechanical retention in high-vibration environments.
• Clear electrical specifications: Defined capacitance, tolerance, tan δ, and frequency ripple coefficients make performance trade-offs straightforward during design validation.

Why Choose LKX2D331MESY35?

The LKX2D331MESY35 positions itself as a practical high-voltage electrolytic for designers needing 330 µF at 200 V with durable thermal performance and strong ripple handling. Its snap-in radial package and series focus on audio quality make it well suited to switching power supply rails and audio power stages where both electrical robustness and acoustic considerations matter.

Choosing this Nichicon LKX part provides a component with documented endurance at 105°C, defined ripple ratings across frequency, and RoHS compliance—features that support long-term stability, predictable behavior in power circuits, and easier integration into production designs.

If you would like a quote or further pricing and availability information for LKX2D331MESY35, please submit a request or RFQ and our team will respond with details.