LNR1K683MSE

The LNR1K683MSE is a screw-terminal aluminum electrolytic capacitor from Nichicon's LNR series, delivering 68 mF (68,000 µF) at an 80 V rating in a radial can with screw terminals. It combines high capacitance and high ripple-current capability with a compact φ63.5 × 140 mm package for general-purpose power applications.

Designed for systems that require large bulk capacitance, robust mounting and extended endurance, this part is suitable where sustained ripple handling and long operating life at elevated temperature are required.

Key Features

• High Capacitance — 68 mF (68,000 µF) nominal capacitance with ±20% tolerance at 120 Hz, 20°C for substantial bulk energy storage and smoothing.
• 80 V Rated Voltage — Rated for 80 V operation to support higher-voltage DC link and power-rail applications.
• High Ripple-Current Capability — 15.5 A at 120 Hz (low frequency) and 17.82 A at 100 kHz (high frequency) to accommodate significant AC ripple in power conversion environments.
• Endurance and Reliability — 5,000 hour rated life at 85°C with specified limits for capacitance change, tan δ and leakage current after endurance testing.
• Dissipation Factor — tan δ of 0.3 (DF) measured at 20°C and 120 Hz, specified for design verification of losses.
• Leakage Current — Specified leakage current of 5,000 µA to aid in power-loss and standby calculations.
• Robust Mechanical Mounting — Screw-terminal radial can with body diameter φ63.5 and length 140 mm; capacitors φ51 or larger are furnished with 3-leg brackets as standard for secure mounting.
• Wide Operating Temperature — Specified for –40°C to +85°C operation to cover a broad range of industrial environments.
• RoHS Compliant — Conforms to RoHS requirements for environmental compliance.

Typical Applications

• General-Purpose Power Filtering — Provides bulk capacitance and ripple handling for power rails and supply smoothing in industrial and commercial equipment.
• High-Ripple Power Modules — Supports designs with substantial AC ripple, leveraging specified ripple-current ratings at both low and high frequencies.
• DC Link and Energy Buffering — Large capacitance and 80 V rating make the part suitable for DC-link smoothing and short-term energy buffering in power conversion assemblies.

Unique Advantages

• Large-capacity solution: 68 mF at 80 V supplies significant bulk energy storage in a single component, reducing the need for parallel capacitors.
• Dual-frequency ripple capability: Rated ripple current values at 120 Hz and 100 kHz provide clear design targets for both low- and high-frequency ripple environments.
• Engineered for extended life: 5,000 hours endurance at 85°C with defined post-test limits for capacitance, tan δ and leakage supports predictable long-term behavior.
• Secure, serviceable mounting: Screw terminals and standard 3-leg bracket for φ63.5 bodies enable robust mechanical connection and straightforward installation or replacement.
• Clear electrical loss data: Specified tan δ and leakage current values allow straightforward thermal and leakage budgeting during design.
• Compliance-ready: RoHS status simplifies use in designs subject to environmental compliance requirements.

Why Choose LNR1K683MSE?

The LNR1K683MSE positions itself as a practical, specification-driven choice for engineers who need high bulk capacitance, reliable ripple handling and secure screw-terminal mounting in general-purpose power designs. Its combination of 68,000 µF at 80 V, defined ripple-current ratings at both low and high frequency, and a 5,000 hour endurance rating at 85°C delivers measurable, verifiable performance for power smoothing and DC-link applications.

This part is suited to designers and procurement teams building industrial and commercial power assemblies that require predictable lifetime behavior, serviceable connections, and straightforward compliance. Backed by Nichicon's LNR series specifications, it provides clear performance parameters for system-level thermal, leakage and ripple budgeting.

If you would like pricing, availability or a formal quote for LNR1K683MSE, please request a quote or contact sales with the part number and your quantity and lead-time requirements.