Best Alternatives to FCC0402B104K500AT

Package: 0402 (1005 metric)FOJANCeramic CapacitorsCapacitance: 100 nFVoltage Rating: 50 VTolerance: ±10%Dielectric: X7ROperating Temperature: -55°C to +125°C

Find the best replacement for the FOJAN FCC0402B104K500AT, a 100nF 50V 0402 X7R ceramic capacitor. This page analyzes pin-compatible and functional alternatives from leading manufacturers like Murata and TAIYO YUDEN.

AI replacement insight

Package risklow

All candidates use the standard 0402 package, ensuring physical compatibility.

Electrical riskhigh

Using an X5R substitute in an application requiring operation above 85°C can lead to failure. Tolerance differences also require review.

Can it be replaced directly?

Direct replacement for FCC0402B104K500AT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Start with Datasheet verified or Strong match candidates for FCC0402B104K500AT, then review parametric alternatives for package and electrical fit.

Main risk

The main risk is substituting with a capacitor that has an X5R dielectric, which has a lower maximum operating temperature of 85°C compared to the target's 125°C.

Recommended alternatives

6
GRM155R71H104KE14J package
GRM155R71H104KE14J

Murata Electronics

Needs validationlow risk

Strong pin-compatible alternative from Murata with identical key electrical parameters and package.

View details

Alternative comparison matrix

Feature / factorFCC0402B104K500ATGRM155R71H104KE14JUMK105B7104KVHFC1005X5R1H104KT000FCompatibility / risk
Package0402 (1005 metric)0402 (1005 metric)0402 (1005 Metric)0402 (1005 Metric)0402 (1005 metric) / 0402 (1005 Metric) — Package size matches.; UMK105B7104KVHF: Package size matches.; C1005X5R1H104KT000F: Package size matches.; HGC0402R5104K500NTEJ: Package size matches.
Voltage50V50V50V-50V — Voltage rating matches.; UMK105B7104KVHF: Voltage rating matches.
Capacitance100nF100nF100nF-100nF — Capacitance value matches.; UMK105B7104KVHF: Capacitance value matches.
DielectricX7RX7RX7RX5RX7R / X5R — Dielectric and temperature range match.; UMK105B7104KVHF: Dielectric and temperature range match.; C1005X5R1H104KT000F: Different dielectric material.; HGC0402R5104K500NTEJ: Different dielectric material.
Tolerance±10%±10%--±10% — Tolerance matches.
ApplicationGeneral-AEC-Q200-AEC-Q200 — Candidate is automotive qualified, an upgrade.
Temperature-55°C to +125°C---55°C to +85°C-55°C to +85°C — Reduced max operating temperature.; HGC0402R5104K500NTEJ: Reduced max operating temperature.

Application & sourcing insights

Questions & answers

Verified drop-in options for FCC0402B104K500AT 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.