Is there a pin-compatible replacement for X1A0000610002?

Yes, X1A0000610021 is a strong candidate for a pin-compatible replacement for X1A0000610002. It features the same 2.05mm x 1.2mm SMD package and identical electrical characteristics. Always confirm with the datasheet before production.

What risks should I check before replacing X1A0000610002?

Before replacing X1A0000610002, check two main risks. First, ensure the package dimensions are identical to avoid PCB redesign. Second, verify the load capacitance is 12.5pF; a mismatch requires changing external components and can affect timing accuracy.

X1A0000610002 Alternatives, Datasheet & Cross Reference | EPSON

X1A0000610002 is a 32.768 kHz crystal from EPSON in a 2.0x1.2mm package, ideal for RTC and low-power applications. A pin-compatible alternative, X1A0000610021, is available with identical specifications.

AI replacement insight

Package riskhigh

Many alternatives are in different packages (e.g., 3215), requiring a new PCB layout.

Electrical riskhigh

Using a part with different load capacitance requires recalculating and changing external capacitors to ensure oscillation.

Sourcing risklow

The target is a standard 32.768kHz crystal with many functional alternatives available from multiple vendors.

Can it be replaced directly?

Yes, X1A0000610021 is a direct replacement for X1A0000610002, matching its package, pinout, and all critical electrical parameters.

Best replacement path

The best replacement path is using X1A0000610021, which is a pin-to-pin compatible part from the same manufacturer with identical specifications.

Main risk

The main risk when substituting this crystal is mismatching the package size or load capacitance, both of which would require board-level redesign.

Recommended alternatives

Strong match with identical key parameters and package from the same manufacturer.

View details

Alternative comparison matrix

Feature / factor	X1A0000610002	X1A0000610021	X1A0001410005	CM315DL32768DZFT	Compatibility / risk
Package	2.05x1.2x0.6mm	2.05x1.2x0.6mm	3.2x1.5x0.8mm	3.2x1.5x0.9mm	2.05x1.2x0.6mm / 3.2x1.5x0.8mm / 3.2x1.5x0.9mm — Package dimensions match.; X1A0001410005: Requires PCB layout change.; CM315DL32768DZFT: Requires PCB layout change.
Load Capacitance	12.5 pF	12.5 pF	12.5 pF	12.5 pF	12.5 pF — matched; X1A0001410005: matched; CM315DL32768DZFT: matched
Tolerance	±20 ppm	±20 ppm	±10 ppm	+/-20 ppm	±20 ppm / ±10 ppm / +/-20 ppm — matched; X1A0001410005: Tighter tolerance is an upgrade.; CM315DL32768DZFT: matched
Esr	90 kΩ Max	90 kΩ Max.	50 kΩ	50k Ohm Max	90 kΩ Max. / 50 kΩ / 50k Ohm Max — matched; X1A0001410005: Lower ESR is an upgrade.; CM315DL32768DZFT: Lower ESR is an upgrade.
Temperature	-40 to +85 °C	-40 to +85 °C	-	-	-40 to +85 °C — matched

Application & sourcing insights

Questions & answers

The best alternative to X1A0000610002 is X1A0000610021. It is made by the same manufacturer (EPSON) and matches all critical specifications, including frequency, tolerance, load capacitance, and package size, making it a potential drop-in replacement.