Is there a pin-compatible replacement for AC1206KKX7R0BB105?

Several parts share the same package and electrical values, but they are not pin-compatible in an automotive context because they lack the required AEC-Q200 qualification.

What risks should I check before replacing AC1206KKX7R0BB105?

The primary risk is the lack of AEC-Q200 qualification. Also check for differences in DC bias characteristics, ESR, and ripple current ratings, as these can affect circuit performance.

AC1206KKX7R0BB105 Alternatives, Datasheet & Cross Reference | Yageo

Finding a substitute for the Yageo AC1206KKX7R0BB105, a 1µF 100V 1206 AEC-Q200 capacitor, requires careful review. The automotive qualification is a key differentiator.

AI replacement insight

Electrical riskhigh

Using a commercial part in an automotive application poses a high reliability risk.

Package risklow

Several candidates match the 1206 package, but this does not mitigate the qualification risk.

Can it be replaced directly?

No direct, drop-in replacement has been identified. All candidates lack the target's AEC-Q200 automotive qualification, making them unsuitable for the same applications.

Best replacement path

Search for other 1µF, 100V, 1206 X7R capacitors that are explicitly AEC-Q200 qualified from other automotive-grade capacitor series.

Main risk

Using a non-automotive grade capacitor in an application requiring AEC-Q200 components can lead to premature failure and reliability issues.

Recommended alternatives

Functionally similar but lacks the target's critical AEC-Q200 automotive qualification.

View details

Alternative comparison matrix

Feature / factor	AC1206KKX7R0BB105	1206B105K101CT	CL31B105KCHVPNE	HMK316B7105KL-T	Compatibility / risk
Application	AEC-Q200	Commercial	Commercial	Commercial	Commercial — Candidate is not AEC-Q200 qualified.; CL31B105KCHVPNE: Candidate is not AEC-Q200 qualified.; HMK316B7105KL-T: Candidate is not AEC-Q200 qualified.
Package	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric) — Same package and land pattern.; CL31B105KCHVPNE: Same package and land pattern.; HMK316B7105KL-T: Same package and land pattern.
Voltage	100.0V	100.0V	100.0V	100.0V	100.0V — matched; CL31B105KCHVPNE: matched; HMK316B7105KL-T: matched
Capacitance	1.0µF	1.0µF	1.0µF	1.0µF	1.0µF — matched; CL31B105KCHVPNE: matched; HMK316B7105KL-T: matched
Dielectric	X7R	-	-	X7R	X7R — matched

Application & sourcing insights

Questions & answers

The best alternative is another 1µF, 100V, 1206 X7R capacitor with AEC-Q200 qualification. Commercial-grade parts are not recommended for automotive use.