Is there a pin-compatible replacement for CC1206JKNPOCBN121?

Yes, several capacitors like Yageo's CC1206JKNPOCBN151 and Murata's GRM31A5C3A101JW01D share the same 1206 package and are pin-compatible. However, they are not drop-in replacements due to different capacitance values, which must be reviewed by an engineer.

What risks should I check before replacing CC1206JKNPOCBN121?

The main risk is the difference in capacitance. The target is 120pF, while alternatives may be 100pF, 150pF, or 180pF. This change can impact the performance of timing circuits, filters, or oscillators. Always verify the impact of the new capacitance value in your design.

CC1206JKNPOCBN121 Alternatives, Datasheet & Cross Reference | Yageo

Yageo's CC1206JKNPOCBN121 is a 120pF, 1kV NP0 ceramic capacitor in a 1206 package. Finding a substitute requires careful evaluation of capacitance, as direct replacements are uncommon and parametric alternatives need engineering review.

AI replacement insight

Electrical riskmedium

Capacitance difference requires validation. In sensitive circuits, this can cause malfunction.

Package risklow

All suggested alternatives use the same 1206 package, ensuring physical compatibility.

Can it be replaced directly?

No direct, drop-in replacement has been verified. Several parts share the same package and ratings, but differ in capacitance, which requires engineering review.

Best replacement path

Review parametric alternatives like CC1206JKNPOCBN151 (150pF) or GRM31A5C3A101JW01D (100pF), and validate if the application tolerates the capacitance difference.

Main risk

The primary risk is functional failure due to capacitance mismatch, which can affect timing, filtering, or RF tuning circuits.

Recommended alternatives

A 1206 1kV NP0 capacitor with higher capacitance (150pF); requires circuit validation.

View details

Alternative comparison matrix

Feature / factor	CC1206JKNPOCBN121	CC1206JKNPOCBN151	GRM31A5C3A101JW01D	CC1206JKNPOCBN181	Compatibility / risk
Package	1206 (3216 metric)	1206 (3216 metric)	1206 (3216 metric)	1206 (3216 metric)	1206 (3216 metric) — Same package ensures form and fit.; GRM31A5C3A101JW01D: Same package ensures form and fit.; CC1206JKNPOCBN181: Same package ensures form and fit.
Voltage	1000.0V	1000.0V	1000.0V	1000.0V	1000.0V — Voltage rating meets requirement.; GRM31A5C3A101JW01D: Voltage rating meets requirement.; CC1206JKNPOCBN181: Voltage rating meets requirement.
Dielectric	NP0 (C0G)	NP0 (C0G)	C0G	NP0 (C0G)	NP0 (C0G) — Stable dielectric characteristics match.; GRM31A5C3A101JW01D: C0G is equivalent to NP0.; CC1206JKNPOCBN181: Stable dielectric characteristics match.
Capacitance	120 pF	150 pF	100 pF	180 pF	150 pF / 100 pF / 180 pF — Higher capacitance may alter circuit behavior.; GRM31A5C3A101JW01D: Lower capacitance may alter circuit behavior.; CC1206JKNPOCBN181: Higher capacitance may alter circuit behavior.
Tolerance	5.0%	-	-	5.0%	5.0% — Tolerance matches.

Application & sourcing insights

Questions & answers

The best alternative depends on your circuit's tolerance to capacitance change. CC1206JKNPOCBN151 (150pF) is a close option with slightly higher capacitance. If lower capacitance is acceptable, Murata's GRM31A5C3A101JW01D (100pF) is another choice. Both require engineering validation.