LNT1V334MSE

The LNT1V334MSE is a screw-terminal aluminum electrolytic capacitor from Nichicon’s LNT series, designed for general-purpose power applications that require very large bulk capacitance. This polarized, radial can capacitor delivers 330000 µF at 35 V with high ripple-current capability and a wide operating temperature range for demanding thermal and load conditions.

Its key value propositions are substantial energy storage and high ripple tolerance combined with 105°C rated operation and a 2000-hour endurance specification at 105°C, making it suitable for systems needing robust DC smoothing and bulk energy buffering.

Key Features

• High Capacitance — 330000 µF (330 mF) provides substantial bulk energy storage for DC smoothing and hold-up applications.
• Rated Voltage — 35 V working voltage suitable for mid-voltage DC systems.
• Screw Terminal, Radial Can Package — φ90 × 170 mm can with screw terminals enables secure, low-resistance connections for high-current installations; package is radial, can - screw terminals.
• Wide Temperature Range — Specified for −40°C to +105°C operation, supporting elevated ambient designs.
• Endurance at High Temperature — 2000 hours life at 105°C under rated ripple current, providing predictable long-term performance under heavy thermal stress.
• High Ripple Current Capability — 21.3 A at 120 Hz (low frequency) and 24.5 A at 100 kHz (high frequency), enabling effective filtering under high AC ripple loads.
• Leakage and Dissipation Characteristics — Leakage current specified at 5000 µA and tan δ (DF) listed as 1 (measured at 20°C, 120 Hz), useful for thermal and loss budgeting.
• Capacitance Tolerance — −20% to +20% tolerance at 120 Hz, 20°C for predictable sizing in designs.
• Packaging and Availability — Cardboard packing; part is in mass production and RoHS compliant.

Typical Applications

• Power supply bulk smoothing — Large capacitance and high ripple current support DC bus smoothing and energy buffering in power supplies.
• Hold-up and backup energy — High stored energy per unit helps maintain voltage during brief supply interruptions or transient events.
• High-current filtering — Screw-terminal connections and high ripple ratings suit applications needing robust AC ripple handling at mid voltages.

Unique Advantages

• Massive energy storage: 330000 µF at 35 V provides significant bulk capacitance in a single component, reducing the need for parallel arrays.
• Robust ripple handling: 21.3 A (120 Hz) and 24.5 A (100 kHz) ripple ratings allow operation under heavy AC loading without immediate thermal degradation.
• High-temperature endurance: Rated for −40°C to +105°C with a 2000-hour life at 105°C, supporting long-term reliability in hot environments.
• Secure screw-terminal connections: Radial can with screw terminals offers mechanically secure, low-impedance terminations for high-current systems.
• Predictable electrical characteristics: Specified leakage current, dissipation factor measurement conditions, and tolerance allow precise thermal and performance planning.
• Regulatory compliance and production readiness: RoHS-compliant and listed as mass production, simplifying procurement and integration.

Why Choose LNT1V334MSE?

The LNT1V334MSE combines very high capacitance with substantial ripple-current capability and a 105°C endurance rating, positioning it for designs that require dependable bulk energy storage and DC smoothing under elevated temperature and high-load conditions. Its screw-terminal radial can package facilitates secure connections in high-current installations.

This part is well suited to engineers and procurement teams specifying capacitors for general-purpose power systems where predictable electrical characteristics, thermal endurance, and production availability are key selection criteria.

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