Is there a pin-compatible replacement for TCC0402X7R183K500AT?

Yes, several 0402 capacitors are form-fit compatible. TCC0402X7R203K500AT is a close match, but you must verify if the slight capacitance difference is acceptable for your design.

What risks should I check before replacing TCC0402X7R183K500AT?

The main risk is capacitance mismatch. Ensure your circuit can tolerate values different from the original 18nF, as this can affect timing, filtering, or stability.

TCC0402X7R183K500AT Alternatives, Datasheet & Cross Reference | CCTC

TCC0402X7R183K500AT is a general-purpose 18nF, 50V, 0402 ceramic capacitor. Alternatives with similar form-fit and electrical properties are available, but capacitance value requires careful consideration.

AI replacement insight

Electrical riskmedium

Capacitance change can affect circuit timing, filtering, and stability. Requires verification.

Package risklow

All suggested alternatives share the same 0402 package, ensuring physical compatibility.

Can it be replaced directly?

No exact 18nF drop-in replacement was found. TCC0402X7R203K500AT (20nF) is the closest functional alternative and requires engineering review.

Best replacement path

Use TCC0402X7R203K500AT for the closest match, or TCC0402X7R223K500AT if higher capacitance is acceptable for your application.

Main risk

Capacitance deviation from the original 18nF value.

Recommended alternatives

A form, fit, and functional alternate with slightly higher capacitance (20nF vs 18nF) in the same 0402 package.

View details

Alternative comparison matrix

Feature / factor	TCC0402X7R183K500AT	TCC0402X7R203K500AT	TCC0402X7R223K500AT	Compatibility / risk
Package	0402	0402	0402 (1005 Metric)	0402 / 0402 (1005 Metric) — Same EIA package size.; TCC0402X7R223K500AT: Same EIA package size.
Voltage	50.0V	50.0V	50.0V	50.0V — Voltage rating is identical.; TCC0402X7R223K500AT: Voltage rating is identical.
Capacitance	18nF	20nF	22nF	20nF / 22nF — Slightly higher capacitance (+11%).; TCC0402X7R223K500AT: Higher capacitance (+22%).
Tolerance	10.0%	10.0%	-	10.0% — Tolerance is identical.
Dielectric	X7R	X7R	X7R	X7R — Dielectric material is identical.; TCC0402X7R223K500AT: Dielectric material is identical.

Application & sourcing insights

Questions & answers

TCC0402X7R203K500AT is a strong alternative with a very similar profile and slightly higher capacitance (20nF vs 18nF), which is often acceptable.