Is there a pin-compatible replacement for TAXD32768K2BGBBZT2S?

While some candidates use a similar 2.0x1.2mm SMD package, none are verified as pin-to-pin compatible. Differences in electrical parameters like load capacitance mean they are not drop-in replacements, even if the footprint matches.

What risks should I check before replacing TAXD32768K2BGBBZT2S?

Before replacing, you must verify three main risks: 1) Load Capacitance mismatch, which requires changing external capacitors. 2) ESR (Equivalent Series Resistance) increase, which can prevent the crystal from starting. 3) Frequency Tolerance degradation, which can impact timing accuracy.

TAXD32768K2BGBBZT2S Alternatives, Datasheet & Cross Reference | Yajingxin

Finding a substitute for the Yajingxin TAXD32768K2BGBBZT2S 32.768kHz crystal requires careful attention to electrical parameters. While alternatives exist, they often differ in load capacitance and ESR, necessitating circuit review.

AI replacement insight

Electrical riskhigh

Load capacitance and ESR differences require circuit redesign and validation.

Package risklow

Candidates use a similar 2.0x1.2mm SMD package, but land pattern verification is still advised.

Can it be replaced directly?

No, there are no direct, verified drop-in replacements for TAXD32768K2BGBBZT2S among the candidates reviewed. All options have different key electrical parameters.

Best replacement path

No direct drop-in replacement found. All candidates require engineering review, primarily for load capacitance mismatch. The Seiko SC-20S offers a wider temperature range but has higher risk due to increased ESR.

Main risk

The primary risk is mismatched load capacitance, which will detune the crystal's frequency and require changes to external capacitors. Increased ESR is also a critical risk.

Recommended alternatives

Shares the same package and frequency, but has different load capacitance and weaker performance.

View details

Alternative comparison matrix

Feature / factor	TAXD32768K2BGBBZT2S	TAXD32768K2BRDAKT2S	SC-20S,32.768kHz,20PPM,9pF	Compatibility / risk
Package	SEAM 206	SEAM 206	SMD (SC-20S)	SEAM 206 / SMD (SC-20S) — Package matches, likely form-fit compatible.; SC-20S,32.768kHz,20PPM,9pF: Similar 2.0x1.2mm SMD package, likely form-fit compatible. Verify land pattern.
Load Capacitance	12.5 pF	6 pF	9 pF	6 pF / 9 pF — Significantly different, requires circuit redesign.; SC-20S,32.768kHz,20PPM,9pF: Different value requires circuit recalculation.
Frequency Tolerance	±10 ppm	±20 ppm	±20 ppm	±20 ppm — Worse tolerance may impact timing accuracy.; SC-20S,32.768kHz,20PPM,9pF: Worse tolerance may impact timing accuracy.
Temperature	-20°C to 70°C	-10°C to 60°C	-40°C to 85°C	-10°C to 60°C / -40°C to 85°C — Reduced operating temperature range.; SC-20S,32.768kHz,20PPM,9pF: Wider operating temperature range is an upgrade.
Esr	40 kΩ	-	90 kΩ Max.	90 kΩ Max. — Significantly higher ESR may prevent oscillation.

Application & sourcing insights

Questions & answers

No direct drop-in replacement was identified. The closest options, like the Seiko SC-20S, require careful engineering review due to different load capacitance and ESR values, which can affect circuit performance.