LGU1H392MELB

CAP ALUM 3900UF ±20% 50V SNAP-IN
Part Description

3900 µF 50 V ±20% Aluminum Electrolytic Capacitor, Snap-In

Quantity 1,595 Available (as of November 3, 2026)
Product CategoryAluminum Electrolytic Capacitors
Part SeriesLGU
ManufacturerNichicon
Manufacturing StatusActive
Manufacturer Standard Lead TimeContact Us
Datasheet

Specifications & Environmental

ApplicationsGeneral PurposeCapacitance3.9 mFECCNEAR99
ESRN/AHeight Seated (Max)2.7 cmHTS Code8532.22.0040
ImpedanceN/ALead SpacingN/ALifetime @ Temp3000 h @ 105°C
Moisture Sensitivity LevelN/AMounting MethodSnap InOperating Temperature-40°C - 105°C
Package / CaseRadial, Can - Snap-InPolarizationPolarRatingsN/A
REACH ComplianceREACH UnaffectedRipple Current High Frequency2.553 A @ 50 kHzRipple Current Low Frequency2.22 A @ 120 Hz
RoHS ComplianceCompliantSize / Dimension25 x 30 mmSurface Mount Land SizeN/A
Tolerance-20%~20%Voltage50 V

Overview of LGU1H392MELB – Aluminum Electrolytic Capacitor, Snap-In, 50 V, 3900 µF, 105°C

The LGU1H392MELB is an aluminum electrolytic capacitor in a snap-in terminal can, offering 3.9 mF capacitance at 50 V with ±20% tolerance. Designed for general-purpose applications, it provides high-capacitance energy storage in a compact φ30 × 25 mm package and is supplied in tray packing for production use.

Key value comes from its 105°C endurance and rated ripple-current capability — the part is specified to withstand 3000 hours of rated ripple current at 105°C — and it is RoHS-compliant for regulated environments.

Key Features

  • Capacitance & Voltage: 3.9 mF (3900 µF) at a rated voltage of 50 V with ±20% tolerance, suitable where significant bulk capacitance is required.
  • High-temperature Endurance: Operating temperature range –40 °C to 105 °C with an endurance rating of 3000 hours at 105 °C under D.C. bias plus rated ripple current.
  • Rated Ripple Current: Specified ripple current of 2.22 A at 120 Hz and 2.553 A at 50 kHz, with frequency coefficients defined in the series datasheet for higher frequencies.
  • Snap-in Mounting & Package: Radial, can-type snap-in terminals in a φ30 × 25 mm (L: 2.5 cm × D: 3.0 cm) package for board-level installation; tray packing for production handling.
  • Electrical Loss and Leakage: Specified tan δ and leakage current limits per the LGU series (tan δ max. 0.30 at 50 V, measured at 120 Hz, 20 °C; leakage current I ≤ 3 CV (µA) after 5 minutes at 20 °C).
  • Compliance: RoHS compliant (2011/65/EU, (EU)2015/863).
  • Polarized Design: Polar electrolytic capacitor for DC circuit use.

Typical Applications

  • General-purpose power systems: Use where 3.9 mF at 50 V and high-temperature endurance are required for bulk capacitance and energy storage.
  • Industrial and commercial assemblies: Snap-in terminal design and tray packing support board-level mounting and production assembly in general-purpose equipment.
  • High-ripple environments: Applied where sustained ripple-current capability at elevated temperature (3000 hours at 105 °C) is needed to meet reliability targets.

Unique Advantages

  • Long-duration ripple endurance: Specified to withstand 3000 hours of rated ripple current at 105 °C, supporting designs requiring sustained high-temperature operation.
  • High capacitance in a compact can: 3900 µF delivered in a φ30 × 25 mm package provides substantial capacitance without a large board footprint.
  • Frequency-aware ripple specification: Published ripple current values at 120 Hz and 50 kHz, with frequency coefficients in the series datasheet to evaluate performance across frequencies.
  • Clear electrical limits: Defined tan δ and leakage current criteria (including I ≤ 3CV after 5 minutes) permit predictable selection and qualification in designs.
  • Regulatory compliance: RoHS conformity for use in regions requiring restricted substance compliance.

Why Choose LGU1H392MELB?

LGU1H392MELB positions itself as a reliable, general-purpose aluminum electrolytic solution where high capacitance, 50 V rating, and elevated-temperature endurance are required. The combination of 3900 µF capacitance, snap-in mounting, and specified ripple-current endurance at 105 °C makes it suitable for production assemblies that demand predictable long-term performance.

It is a practical choice for engineers and procurement teams specifying bulk capacitance with documented electrical limits, temperature range, and RoHS compliance, backed by a datasheet that defines endurance, leakage, and frequency-dependent ripple behavior for design validation.

If you would like pricing, availability or a formal quote for LGU1H392MELB, please submit a request to receive a quote and lead-time information.

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