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Best Alternatives to CL21F105ZBFNNNE

Package: 0805 (2012 Metric)Samsung Electro-MechanicsCeramic CapacitorsSeries: CLPackage: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Capacitance: 1 µFTolerance: -20%, +80%Voltage - Rated: 50V

CL21F105ZBFNNNE is a general-purpose 1µF 50V ceramic capacitor in an 0805 package with a Y5V dielectric. While direct Y5V replacements exist, numerous upgrade options with more stable X7R or X7S dielectrics offer improved performance for most applications.

AI replacement insight

Electrical risklow

Dielectric change from Y5V to X7R/X7S is an upgrade in stability, but the change in capacitance profile must be verified for the application.

Package risklow

All candidates share the same 0805 package, ensuring physical compatibility on the PCB.

Can it be replaced directly?

While no direct replacements with the same Y5V dielectric are listed, several superior upgrades with more stable X7R or X7S dielectrics are available. These are generally better but require review.

Best replacement path

Upgrading to an X7R or X7S dielectric capacitor with the same or higher voltage rating is the recommended path for improved performance and stability.

Main risk

The primary risk is the change in dielectric from Y5V to a more stable X7R/X7S, which alters capacitance behavior with temperature and DC bias.

Recommended alternatives

6
HMK212BC7105KG-TE package
Needs validationlow risk

A robust upgrade with higher voltage (100V), a more stable X7S dielectric, and tighter tolerance in the same 0805 package.

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Alternative comparison matrix

Feature / factorCL21F105ZBFNNNEHMK212BC7105KG-TETCC0805X7R105K101FTTCC0805X7R105J500FTCompatibility / risk
Package0805 (2012 Metric)0805 (2012 Metric)08050805 (2012 Metric)0805 (2012 Metric) — Package size matches.; TCC0805X7R105K101FT: Package size matches.; TCC0805X7R105J500FT: Package size matches.; TCC0805X7R105K500DT: Package size matches.
Voltage50.0V100.0V100.0V50.0V100.0V / 50.0V — Higher voltage rating provides more margin.; TCC0805X7R105K101FT: Higher voltage rating provides more margin.; TCC0805X7R105J500FT: Voltage rating matches.; TCC0805X7R105K500DT: Voltage rating matches.
DielectricY5VX7SX7RX7RX7S / X7R — Upgrade to a more stable dielectric.; TCC0805X7R105K101FT: Upgrade to a more stable dielectric.; TCC0805X7R105J500FT: Upgrade to a more stable dielectric.; TCC0805X7R105K500DT: Upgrade to a more stable dielectric.
Tolerance+80%/-20%±10.0%±10.0%±5.0%±10.0% / ±5.0% — Tighter tolerance is an upgrade.; TCC0805X7R105K101FT: Tighter tolerance is an upgrade.; TCC0805X7R105J500FT: Much tighter tolerance is a significant upgrade.; TCC0805X7R105K500DT: Tighter tolerance is an upgrade.

Application & sourcing insights

Questions & answers

The best alternatives are often those that offer upgraded performance. Consider HMK212BC7105KG-TE or TCC0805X7R105K101FT, as they provide a higher 100V rating and a much more stable X7S/X7R dielectric.