Is there a pin-compatible replacement for CC0603KRX7R9BB181?

Yes, several pin-compatible alternatives in the same 0603 package exist. However, they have different electrical characteristics, such as capacitance or dielectric type, and are not drop-in replacements without review.

What risks should I check before replacing CC0603KRX7R9BB181?

Key risks include changes in capacitance affecting filter cutoff or timing, and different dielectric (e.g., NP0 vs. X7R) impacting performance over temperature and voltage, as well as cost.

CC0603KRX7R9BB181 Alternatives, Datasheet & Cross Reference | Yageo

Yageo's CC0603KRX7R9BB181 is a general-purpose 180pF, 50V, 10% X7R ceramic capacitor in a standard 0603 package. When seeking replacements, key parameters are capacitance, voltage, and dielectric type.

AI replacement insight

Electrical riskmedium

Capacitance and dielectric changes require validation.

Package risklow

All reviewed candidates share the same 0603 package.

Can it be replaced directly?

No exact drop-in replacement was found. The closest options have different dielectrics or capacitance values, requiring engineering review.

Best replacement path

For high stability, consider an NP0 dielectric part like CC0603FRNPO9BN181. For general decoupling, a part with slightly higher capacitance like CC0603KRX7R0BB221 may be acceptable after review.

Main risk

The main risk is substituting a capacitor with a different capacitance value or dielectric type, which can affect circuit timing, filtering, or stability.

Recommended alternatives

A 180pF 50V capacitor in the same 0603 package, but with a more stable NP0 dielectric and tighter ±1% tolerance.

View details

Alternative comparison matrix

Feature / factor	CC0603KRX7R9BB181	CC0603FRNPO9BN181	CC0603KRX7R0BB221	Compatibility / risk
Package	0603 (1608 metric)	0603 (1608 metric)	0603 (1608 metric)	0603 (1608 metric) — Same package and pin count.; CC0603KRX7R0BB221: Same package and pin count.
Dielectric	X7R	NP0 (C0G)	X7R	NP0 (C0G) / X7R — NP0 is a stable Class 1 dielectric, an upgrade over Class 2 X7R.; CC0603KRX7R0BB221: Dielectric type is identical.
Capacitance	180 pF	180 pF	220 pF	180 pF / 220 pF — Capacitance value is identical.; CC0603KRX7R0BB221: Higher capacitance may not be suitable for timing or filter circuits.
Voltage	50 V	50 V	100 V	50 V / 100 V — Voltage rating is identical.; CC0603KRX7R0BB221: Higher voltage rating provides more design margin.
Tolerance	±10%	±1%	-	±1% — Tighter tolerance is a performance upgrade.

Application & sourcing insights

Questions & answers

CC0603FRNPO9BN181 is a strong alternative, offering superior stability with its NP0 dielectric. For general use where capacitance can vary slightly, CC0603KRX7R0BB221 is a potential option with a higher voltage rating.