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400MXK390MEFCSN25X40 - Rubycon

Description: 390 µF 400 V Aluminum Electrolytic Capacitors Radial, Can - Snap-In 3000 Hrs @ 105°C

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Symbol
400MXK390MEFCSN25X40 - Rubycon - PCB symbol
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PCB Footprints
400MXK390MEFCSN25X40 - Rubycon PCB footprint - Other - Other - 25x40mm_2026-1
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3D Models
400MXK390MEFCSN25X40 - Rubycon - 3D model - Other - 25x40mm_2026-1
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400MXK390MEFCSN25X40 Details

  • Manufacturer Part Number:

    400MXK390MEFCSN25X40

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Japan

  • ECCN Code:

    EAR99

  • HTS Code:

    8532.22.00.40

  • Manufacturer:

    Rubycon Corporation

  • YTEOL:

    6

  • Capacitance:

    390 µF

  • Capacitor Type:

    ALUMINUM ELECTROLYTIC CAPACITOR

  • Diameter:

    25 mm

  • Dielectric Material:

    ALUMINUM (WET)

  • JESD-609 Code:

    e3

  • Leakage Current:

    1.18491 mA

  • Length:

    40 mm

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Negative Tolerance:

    20%

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -25 °C

  • Package Style:

    Snap-in

  • Packing Method:

    BULK

  • Polarity:

    POLARIZED

  • Positive Tolerance:

    20%

  • Rated (DC) Voltage (URdc):

    400 V

  • Ripple Current:

    1850 mA

  • Surface Mount:

    NO

  • Tan Delta:

    0.2

  • Terminal Finish:

    Tin (Sn)

  • Terminal Pitch:

    10 mm

  • Terminal Shape:

    SNAP-IN

400MXK390MEFCSN25X40 Frequently Asked Questions (FAQs)

  • Rubycon recommends a voltage derating of 10-20% to ensure reliable operation and extend the lifespan of the capacitor.
  • The ESR of the 400MXK390MEFCSN25X40 capacitor decreases with increasing frequency. According to Rubycon's application notes, the ESR at 100 kHz is approximately 1/3 of the ESR at 100 Hz.
  • The 400MXK390MEFCSN25X40 capacitor has a maximum operating temperature of 105°C, making it suitable for most industrial and automotive applications. However, it's essential to consider the derating curves and thermal management in the system design.
  • Rubycon recommends following the J-STD-020D.1 standard for soldering and the IEC 60068-2-20 standard for mounting. It's essential to avoid excessive mechanical stress, bending, or twisting during the assembly process.
  • The capacitance of the 400MXK390MEFCSN25X40 capacitor decreases with increasing temperature. According to Rubycon's datasheet, the capacitance at 105°C is approximately 90% of the nominal value at 20°C.

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400MXK390MEFCSN25X40 Overview

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