LNK2G392MSEG

CAP ALUM 3900UF ±20% 400V SCREW
Part Description

3900 µF 400 V ±20% Aluminum Electrolytic Capacitor, Screw Terminal

Quantity 784 Available (as of November 3, 2026)
Product CategoryAluminum Electrolytic Capacitors
Part SeriesLNK
ManufacturerNichicon
Manufacturing StatusMass Production
Manufacturer Standard Lead TimeContact Us
Datasheet

Specifications & Environmental

ApplicationsGeneral PurposeCapacitance3.9 mFECCNEAR99
ESRN/AHeight Seated (Max)11.8 cmHTS Code8532.22.0085
ImpedanceN/ALead SpacingN/ALifetime @ Temp5000 h @ 85°C
Moisture Sensitivity LevelN/AMounting MethodScrew TerminalOperating Temperature-25°C - 85°C
Package / CaseRadial, Can - Screw TerminalsPolarizationPolarRatingsN/A
REACH ComplianceREACH AffectedRipple Current High Frequency17.92 A @ 10 kHzRipple Current Low Frequency12.8 A @ 120 Hz
RoHS ComplianceCompliantSize / Dimension115 x 63.5 mmSurface Mount Land SizeN/A
Tolerance-20%~20%Voltage400 V

Overview of LNK2G392MSEG – Aluminum Electrolytic Capacitor, Screw Terminal, 3.9 mF, 400 V

The LNK2G392MSEG is an aluminum electrolytic capacitor in a screw-terminal radial can package designed for general-purpose, high-voltage applications. It delivers 3.9 mF (3900 µF) capacitance at a 400 V rating, offering a compact, smaller-sized solution for designs that require high-capacitance bulk energy storage and robust terminal connections.

Engineered for sustained operation up to 85 °C, the part provides high ripple-current capability and a rated load life of 5000 hours at 85 °C, making it suitable for demanding power applications that require reliable long-term performance and RoHS compliance.

Key Features

  • Capacitance & Voltage — 3.9 mF (3900 µF) rated at 400 V for high-voltage bulk energy storage and filtering in power circuits.
  • High ripple-current capability — Rated ripple current of 12.8 A at 120 Hz and 17.92 A at 10 kHz to support heavy AC ripple and switching-frequency stress.
  • Long load life — Endurance specified as 5000 hours at 85 °C with rated ripple current applied, supporting extended service life in continuous-duty systems.
  • Operating temperature range — Specified for −25 °C to +85 °C to cover a broad set of ambient conditions.
  • Screw-terminal radial can package — Screw terminal mounting and radial can package provide secure, low-impedance connections for high-current power paths.
  • Smaller-sized form factor — Described as a smaller-sized option with dimensions L: 11.5 × D: 6.35 cm for space-conscious designs.
  • Leakage current specification — After 5 minutes at rated voltage, leakage current is limited to 3√CV (µA) or 5 mA, whichever is smaller (at 20 °C), per datasheet guidance.
  • Polarized with standard tolerance — Polar capacitor with capacitance tolerance of −20% to +20% at 120 Hz, 20 °C.
  • RoHS compliant — Manufactured to meet RoHS directive requirements.

Typical Applications

  • High-voltage power supplies — Bulk filtering and energy storage in high-voltage DC power supplies where 400 V rating and large capacitance are required.
  • Industrial power systems — DC link and smoothing applications in industrial converters and drives that demand high ripple-current capability and secure screw-terminal connections.
  • Uninterruptible power supplies (UPS) and energy storage — Bulk capacitance for temporary energy buffering and ride-through support in systems operating up to 85 °C.

Unique Advantages

  • High-voltage, high-capacitance combination — 3.9 mF at 400 V enables consolidation of capacitance on high-voltage rails, reducing the number of parallel devices required.
  • Designed for continuous ripple stress — Published ripple current ratings at both low and high frequencies allow confident selection for switching and line-frequency applications.
  • Extended operational life — 5000-hour load-life rating at 85 °C provides predictable end-of-life planning for long-running equipment.
  • Robust electrical connections — Screw-terminal mounting simplifies mechanical retention and ensures reliable current-carrying connections in high-power layouts.
  • Leakage current control — Datasheet-specified leakage limits enable predictable standby and no-load behavior after voltage application.
  • Regulatory-compliant manufacturing — RoHS compliance supports deployment in regions and products with restricted substance requirements.

Why Choose LNK2G392MSEG?

LNK2G392MSEG positions itself as a practical, specification-driven choice for engineers needing a high-capacitance, high-voltage aluminum electrolytic capacitor with secure screw-terminal connections. Its combination of 3.9 mF at 400 V, significant ripple-current ratings, and a 5000-hour life at 85 °C makes it well suited for power supply filtering, DC link smoothing, and other general-purpose power applications.

This part is appropriate for designs that require predictable leakage behavior, RoHS compliance, and a compact radial-can form factor with screw terminals for robust mounting and conductor attachment. It is targeted at designers and purchasers seeking a reliable, long-life capacitor for high-voltage power systems.

For pricing, availability, or to request a quote, please submit an inquiry to our sales team with your quantity and delivery requirements, and we will respond with a formal quote and lead-time information.

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    Date Founded: 1950


    Headquarters: Nakagyo, Kyoto, Japan


    Employees: 5,000+


    Revenue: $1.2 Billion


    Certifications and Memberships: ISO9001:2015, IATF16949:2016


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