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Best Alternatives to EKXJ251ELL101ML20S

Package: Radial, 16mm x 20mmNCC(Nippon Chemi-Con)Aluminum Electrolytic CapacitorsCapacitance: 100 µFRated Voltage: 250 VdcTolerance: ±20%Ripple Current: 635 mA @ 120HzEndurance: 10,000 hours @ 105°C

Finding a substitute for the NCC EKXJ251ELL101ML20S, a 100µF 250V long-life aluminum electrolytic capacitor, requires careful comparison of physical dimensions, voltage rating, and endurance. This guide reviews several potential alternatives.

AI replacement insight

Package riskmedium

Several candidates are physically larger and will not fit the target footprint.

Electrical riskhigh

Most alternatives have much lower endurance (lifetime), which is a critical parameter.

Can it be replaced directly?

Direct replacement for EKXJ251ELL101ML20S should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The AISHI EGS2EM101L20C30T offers the most direct path, but requires accepting a lower endurance rating.

Main risk

The primary risk is reduced product reliability due to candidates having significantly lower endurance ratings than the 10,000-hour target part.

Recommended alternatives

2
EGS2EM101L20C30T package
EGS2EM101L20C30T

AISHI

Needs validationlow risk

Matches key electricals and package, but has lower endurance. Review lifetime and ripple current needs.

View details

Alternative comparison matrix

Feature / factorEKXJ251ELL101ML20SEGS2EM101L20C30T400CXW100MEFR16X31.5Alt 3Compatibility / risk
PackageRadial, 16mm x 20mmRadial, 16mm x 20mm16mm x 31.5mmRadial, 16mm x 20mm / 16mm x 31.5mm — Package dimensions match.; 400CXW100MEFR16X31.5: Taller than target.
Voltage250V250V400V250V / 400V — Voltage rating matches.; 400CXW100MEFR16X31.5: Higher voltage rating is a safe upgrade.
Capacitance100µF100µF-100µF — Capacitance matches.
Endurance10000 hours6000 hours5000 hours6000 hours / 5000 hours — Candidate has lower endurance.; 400CXW100MEFR16X31.5: Candidate has lower endurance.
Ripple Current635mA @ 120Hz780mA @ 100kHz-780mA @ 100kHz — Specified at different frequency.

Application & sourcing insights

Questions & answers

Verified drop-in options for EKXJ251ELL101ML20S are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.