ULT2G3R9MNL1GS

CAP ALUM 3.9UF ±20% 400V SMD
Part Description

3.9 µF 400 V ±20% Aluminum Electrolytic Capacitor, SMD

Quantity 1,973 Available (as of November 3, 2026)
Product CategoryAluminum Electrolytic Capacitors
Part SeriesULT
ManufacturerNichicon
Manufacturing StatusMass Production
Manufacturer Standard Lead TimeContact Us
Datasheet

Specifications & Environmental

ApplicationsAutomotive, High Temperature ReflowCapacitance3.9 µFECCNEAR99
ESRN/AHeight Seated (Max)1.1 cmHTS Code8532.22.0020
ImpedanceN/ALead SpacingN/ALifetime @ Temp2000 h @ 125°C
Moisture Sensitivity LevelN/AMounting MethodSurface MountOperating Temperature-40°C - 125°C
Package / CaseRadial, Can - SMDPolarizationPolarRatingsAEC-Q200
REACH ComplianceREACH AffectedRipple Current High Frequency45 mA @ 10 kHzRipple Current Low Frequency30 mA @ 120 Hz
RoHS ComplianceCompliantSize / Dimension10 x 8 mmSurface Mount Land Size8.3 x 8.3 mm
Tolerance-20%~20%Voltage400 V

Overview of ULT2G3R9MNL1GS – Aluminum Electrolytic Capacitor, SMD, 400 V, 3.9 µF

The ULT2G3R9MNL1GS is a chip-type aluminum electrolytic capacitor designed for high-voltage, high-temperature applications. As a surface-mount radial can, it combines a compact footprint with a wide operating temperature range of –40°C to +125°C and a rated voltage of 400 V.

Targeted at demanding industrial and automotive environments, this AEC-Q200 qualified, RoHS-compliant capacitor delivers a 3.9 µF capacitance with a load life of 2000 hours at +125°C and is compatible with automated assembly using carrier tape.

Key Features

  • Capacitance & Voltage — 3.9 µF nominal capacitance at a rated voltage of 400 V with ±20% tolerance (measured at 120 Hz, 20°C).
  • High Temperature Endurance — Load life specified as 2000 hours at +125°C; after endurance the part meets defined limits for capacitance change, tan δ and leakage current as stated in the series specification.
  • Automotive-Grade Reliability — AEC-Q200 qualified for automotive applications and engineered to meet the stability and endurance requirements expected in vehicle systems.
  • Wide Operating Range — Rated for –40°C to +125°C operating temperature range, suitable for harsh thermal environments.
  • Surface-Mount Package — Chip-type radial can in SMD form factor for automated placement; compatible with carrier tape mounting for high-volume production.
  • Compact Footprint — Physical dimensions approximately L: 10 mm × D: 8 mm (listed as L:1 × D:0.8 cm) with recommended PCB land size 8.3 mm × 8.3 mm.
  • Ripple Performance — Rated ripple current of 30 mA at 120 Hz and 45 mA at 10 kHz, supporting stabilization and filtering in power circuits.
  • Regulatory Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

  • Automotive Power Electronics — Filtering and bulk energy storage in systems where automotive-grade qualification and high-temperature endurance are required.
  • Industrial Power Supplies — High-voltage smoothing and decoupling in industrial DC–DC converters and power-conditioning modules.
  • Motor Drives and Inverters — Supporting DC-link filtering and transient suppression in compact, high-voltage inverter stages.
  • High-Temperature Electronics — Components for control modules and electronics assemblies that need reliable operation up to +125°C.

Unique Advantages

  • Automotive-Grade Qualification: AEC-Q200 qualification provides design confidence for vehicle systems that require component-level reliability.
  • High-Temperature Load Life: Specified 2000 hours at +125°C, enabling sustained performance in elevated-temperature environments.
  • SMD Compatibility for Volume Production: Chip-type radial can packaged for carrier-tape mounting simplifies automated assembly and reduces handling time.
  • Compact, High-Voltage Solution: 3.9 µF at 400 V in a small footprint supports designers needing high-voltage capacitance without large board area.
  • Measured Ripple Ratings: Defined ripple current values at both low and high frequencies (120 Hz and 10 kHz) help match the part to specific power-filtering needs.

Why Choose ULT2G3R9MNL1GS?

ULT2G3R9MNL1GS delivers a balance of high-voltage capability, automotive-grade reliability and high-temperature endurance in a surface-mount, automated-assembly friendly package. Its 3.9 µF capacitance at 400 V and defined ripple ratings make it suitable for power-filtering and energy-storage tasks in demanding industrial and automotive systems.

This part is suited for design teams needing a compact, robust aluminum electrolytic capacitor with certified qualification (AEC-Q200), RoHS compliance, and predictable end-of-life characteristics backed by series specifications for leakage, tan δ and capacitance change after endurance tests.

For pricing, availability or to request a quotation for the ULT2G3R9MNL1GS, please submit a quote request or contact our sales team with your project requirements.

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    Date Founded: 1950


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