Is there a pin-compatible replacement for TCC0603X7R394K500CT?

Yes, parts like CC0603KRX7R9BB474 and TCC0603X7R334K500CT share the same 0603 package. However, their capacitance differs, so they are functional alternatives, not exact drop-ins.

What risks should I check before replacing TCC0603X7R394K500CT?

Verify the impact of the capacitance change on your circuit. A different value can alter filter characteristics, timing, or power supply stability. Also check datasheet differences like ESR.

TCC0603X7R394K500CT Alternatives, Datasheet & Cross Reference | CCTC

Compare functional alternatives for the CCTC TCC0603X7R394K500CT, a 390nF 50V 0603 ceramic capacitor. Review key parametric differences before substitution.

AI replacement insight

Electrical riskmedium

Capacitance value differs in all candidates.

Package risklow

All suggested alternatives use the same 0603 package.

Sourcing risklow

Alternatives from major vendors like Yageo are available.

Can it be replaced directly?

No exact drop-in replacement was found. All suitable alternatives have a different capacitance value, requiring engineering review.

Best replacement path

Yageo's CC0603KRX7R9BB474 offers a slightly higher capacitance (470nF) in the same package, a common choice for decoupling upgrades.

Main risk

The primary risk is capacitance mismatch. Using a different value can affect filter performance, circuit timing, or power supply stability.

Recommended alternatives

Strong functional alternative from Yageo with slightly higher capacitance (470nF).

View details

Alternative comparison matrix

Feature / factor	TCC0603X7R394K500CT	CC0603KRX7R9BB474	TCC0603X7R334K500CT	FCC0603B334K500CT	Compatibility / risk
Capacitance	390 nF	470 nF	330 nF	330 nF	470 nF / 330 nF — Higher capacitance (+20%), often acceptable for decoupling.; TCC0603X7R334K500CT: Candidate has 15% lower capacitance.; FCC0603B334K500CT: Candidate has 15% lower capacitance.
Manufacturer	CCTC	Yageo	-	FOJAN	Yageo / FOJAN — Cross-vendor alternative.; FCC0603B334K500CT: Cross-vendor alternative.
Package	0603 (1608 Metric)	0603 (1608 metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 metric) / 0603 (1608 Metric) — matched; TCC0603X7R334K500CT: Identical package ensures form/fit compatibility.; FCC0603B334K500CT: matched
Voltage	50 V	50 V	50 V	50 V	50 V — matched; TCC0603X7R334K500CT: matched; FCC0603B334K500CT: matched
Dielectric	X7R	-	X7R	-	X7R — matched

Application & sourcing insights

Questions & answers

Yageo's CC0603KRX7R9BB474 is a strong candidate. It has the same package, voltage, and dielectric, with a slightly higher capacitance of 470nF, which is often acceptable.