Is there a pin-compatible replacement for CC0603JRX7R9BB393?

Yes, many 0603 ceramic capacitors are pin-compatible in package. However, a pin-compatible part is not necessarily electrically equivalent. Alternatives require careful review of capacitance and tolerance.

What risks should I check before replacing CC0603JRX7R9BB393?

The main risks are changes in circuit performance due to different capacitance (e.g., altered filter cutoff frequency, incorrect timing) and wider tolerance, which can affect stability and precision.

CC0603JRX7R9BB393 Alternatives, Datasheet & Cross Reference | Yageo

The Yageo CC0603JRX7R9BB393 is a general-purpose 39nF, 50V, X7R ceramic capacitor in a standard 0603 package. Finding a direct replacement requires careful attention to capacitance and tolerance.

AI replacement insight

Electrical riskhigh

Capacitance and tolerance differ, impacting circuit behavior.

Package risklow

All candidates share the same 0603 package.

Can it be replaced directly?

No direct, drop-in replacement with identical key parameters was found. All reviewed alternatives have different capacitance values and wider tolerances.

Best replacement path

Find a capacitor with 39nF value and ±5% tolerance. If unavailable, standard values like 33nF or 47nF may work but require circuit analysis.

Main risk

The primary risk is circuit malfunction due to changes in capacitance, which can affect timing, filtering, or coupling performance.

Recommended alternatives

A form-fit compatible 0603 capacitor, but with lower capacitance and wider tolerance that requires engineering review.

View details

Alternative comparison matrix

Feature / factor	CC0603JRX7R9BB393	FCC0603B333K500CT	TCC0603X7R473K500CT	Compatibility / risk
Package	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric) — Form-factor match.; TCC0603X7R473K500CT: Form-factor match.
Voltage	50.0V	50.0V	50.0V	50.0V — Voltage rating matches.; TCC0603X7R473K500CT: Voltage rating matches.
Capacitance	39.0nF	33.0nF	47.0nF	33.0nF / 47.0nF — Capacitance is ~15% lower.; TCC0603X7R473K500CT: Capacitance is ~20% higher.
Tolerance	5.0%	10.0%	10.0%	10.0% — Tolerance is wider.; TCC0603X7R473K500CT: Tolerance is wider.
Dielectric	X7R	X7R	X7R	X7R — Dielectric material matches.; TCC0603X7R473K500CT: Dielectric material matches.

Application & sourcing insights

Questions & answers

The best alternative is another 0603 capacitor with 39nF capacitance, ±5% tolerance, and a 50V or higher rating. If unavailable, parts like FCC0603B333K500CT (33nF) could be considered after engineering validation.