LNY2V103MSEG

The LNY2V103MSEG is a screw-terminal aluminum electrolytic capacitor in Nichicon's LNY series, providing 10,000 µF capacitance at a 350 V rating in a radial can with screw terminals. Designed for general-purpose power applications, it is suited for equipment downsizing while delivering high stored energy and robust ripple handling.

Key electrical and mechanical attributes include a rated voltage of 350 V, a capacitance tolerance of ±20%, an operating temperature range of −40°C to +85°C, and a guaranteed load life of 2000 hours at 85°C when subjected to rated ripple current.

Key Features

• Capacitance and Voltage — 10,000 µF (10 mF) nominal capacitance at a 350 V rated voltage, providing substantial energy storage for high-voltage power stages.
• High ripple current capability — Rated ripple current of 23.2 A at 120 Hz and 32.48 A at 10 kHz, enabling effective smoothing under substantial AC ripple conditions.
• Reliability and Lifetime — Endurance specified as 2000 hours at 85°C with applied rated ripple current and peak voltage not exceeding the rated voltage.
• Temperature range — Operates from −40°C to +85°C to cover a wide range of general-purpose environments.
• Screw terminal radial can — Robust screw terminal mounting with radial can package; nominal bolt size for φ63.5 units is M5, supporting secure mechanical and electrical connections.
• Leakage current — After 5 minutes at rated voltage, leakage current is limited to not more than 3√(C·V) µA or 5 mA, whichever is smaller (at 20°C), facilitating predictable power-loss budgeting.
• Environmental compliance — RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• General-purpose power supplies — Bulk energy storage and smoothing in high-voltage DC power supplies where high capacitance and robust ripple handling are required.
• Industrial power equipment — Energy buffering and decoupling in industrial converters and auxiliary power systems, benefiting from screw-terminal mounting for dependable connections.
• Equipment downsizing projects — High capacitance per package supports reduced overall system volume in applications targeting smaller footprints.

Unique Advantages

• High energy density at high voltage — 10,000 µF at 350 V provides significant stored energy in a single radial can, simplifying system capacitance budgets.
• Strong ripple-current performance — Specified ripple currents at both 120 Hz and 10 kHz enable dependable smoothing across low- and high-frequency ripple sources.
• Engineered for durability — 2000-hour load-life rating at 85°C under rated ripple demonstrates predictable long-term behavior in sustained-duty applications.
• Secure screw-terminal mounting — Radial can with screw terminals and M5 nominal bolt interface (for φ63.5 size) supports reliable mechanical fastening and power connections.
• Wide operating temperature range — −40°C to +85°C operation helps maintain functionality across varied environmental conditions.
• Predictable leakage characteristics — Clear leakage current limit (3√(C·V) µA or 5 mA) aids thermal and standby-loss calculations.

Why Choose LNY2V103MSEG?

LNY2V103MSEG combines high capacitance and high-voltage capability with screw-terminal robustness and series-level endurance data, making it a practical choice for designers seeking reliable bulk energy storage in general-purpose power systems. Its specified ripple current ratings and 2000-hour life at 85°C provide measurable performance for sustained-duty applications.

This part is suited to engineering teams building compact, high-voltage DC systems that require predictable leakage behavior, secure connections, and RoHS compliance. The LNY series specification set supports straightforward selection for projects where durability and clear electrical limits are required.

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