What risks should I check before replacing TCC0402COG120J500AT?

Risks are low. The main check is to confirm your circuit is not sensitive to the minor differences between COG and NP0 dielectrics, which are industry-standard equivalents. Also, verify if the automotive grade of some alternatives is acceptable for your design.

TCC0402COG120J500AT Alternatives, Datasheet & Cross Reference | CCTC

TCC0402COG120J500AT is a general-purpose 12pF, 50V, ±5% multilayer ceramic capacitor (MLCC) in a standard 0402 package with a stable COG dielectric. Several pin-compatible alternatives and upgrades are available from other manufacturers.

AI replacement insight

Electrical risklow

Key parameters match or are improved. NP0/C0G dielectrics are functionally equivalent.

Package risklow

All candidates share the same 0402 package, ensuring form and fit compatibility.

Can it be replaced directly?

Direct replacement for TCC0402COG120J500AT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The Yageo AC0402FRNPO9BN120 is an excellent upgrade path, offering a tighter ±1% tolerance. For a direct match, AC0402JRNPO9BN120 and 0402N120J500CT are strong candidates.

Main risk

The primary risk is minimal, as the proposed alternatives have matching or superior specifications. Ensure the temperature characteristics of the NP0/C0G dielectric are suitable for the specific application.

Recommended alternatives

An upgraded 12pF 50V 0402 capacitor from Yageo with a tighter ±1% tolerance and equivalent NP0/C0G dielectric.

View details

Alternative comparison matrix

Feature / factor	TCC0402COG120J500AT	AC0402FRNPO9BN120	0402N120J500CT	AC0402JRNPO9BN120	Compatibility / risk
Package	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 metric)	0402 (1005 Metric) / 0402 (1005 metric) — Package size matches.; 0402N120J500CT: Package size matches.; AC0402JRNPO9BN120: Package size matches.
Capacitance	12 pF	12 pF	12 pF	12 pF	12 pF — Capacitance matches.; 0402N120J500CT: Capacitance matches.; AC0402JRNPO9BN120: Capacitance matches.
Tolerance	±5%	±1%	±5%	±5%	±1% / ±5% — Tighter tolerance is a direct upgrade.; 0402N120J500CT: Tolerance matches.; AC0402JRNPO9BN120: Tolerance matches.
Dielectric	COG	NP0 (C0G)	NP0	NP0 (C0G)	NP0 (C0G) — NP0 and C0G are equivalent Class 1 dielectrics.; 0402N120J500CT: NP0 and COG are equivalent Class 1 dielectrics.; AC0402JRNPO9BN120: NP0 and C0G are equivalent Class 1 dielectrics.
Qualification	General	AEC-Q200	-	AEC-Q200	AEC-Q200 — Candidate is automotive grade.; AC0402JRNPO9BN120: Candidate is automotive grade, may be an upgrade.
Voltage	50 V	-	50 V	50 V	50 V — Voltage rating matches.; AC0402JRNPO9BN120: Voltage rating matches.

Application & sourcing insights

Questions & answers

Verified drop-in options for TCC0402COG120J500AT are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.