Is there a pin-compatible replacement for TAXM12M4RFBCCT2T?

Several parts share the same 3.2x2.5mm 4-pin package, but electrical differences like load capacitance prevent them from being direct pin-compatible replacements without circuit changes.

What risks should I check before replacing TAXM12M4RFBCCT2T?

Verify the load capacitance (target is 12pF), operating temperature range (target is -40°C to 85°C), and frequency stability. A mismatch in load capacitance requires recalculating external capacitor values.

TAXM12M4RFBCCT2T Alternatives, Datasheet & Cross Reference | Yajingxin

Find potential replacements for the Yajingxin TAXM12M4RFBCCT2T, a 12MHz crystal in a 3.2x2.5mm package. Alternatives may require circuit adjustments for parameters like load capacitance.

AI replacement insight

Electrical riskhigh

Load capacitance mismatch requires circuit redesign.

Package risklow

Candidates share the same package size.

Sourcing riskmedium

All parts are from the same manufacturer; diversity may be limited.

Can it be replaced directly?

No direct drop-in replacement was found. All viable candidates require review of key electrical parameters like load capacitance and operating temperature.

Best replacement path

Consider parts with matching 12MHz frequency and 12pF load capacitance. Candidates with different load capacitance require redesign.

Main risk

The primary risk is mismatch in load capacitance, which can prevent the oscillator circuit from starting or cause frequency deviation.

Recommended alternatives

A 12MHz crystal with the same package but different load capacitance and a narrower temperature range; requires engineering review.

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Alternative comparison matrix

Feature / factor	TAXM12M4RFBCCT2T	TX322512M4DBDE2T	TX322512M4LBCE2T	Compatibility / risk
Frequency	12 MHz	12 MHz	12 MHz	12 MHz — Frequency matches.; TX322512M4LBCE2T: Frequency matches.
Package	3.2mm x 2.5mm	3.2mm x 2.5mm	3.2mm x 2.5mm	3.2mm x 2.5mm — Package dimensions match.; TX322512M4LBCE2T: Package dimensions match.
Load Capacitance	12 pF	10 pF	20 pF	10 pF / 20 pF — Requires circuit review/modification.; TX322512M4LBCE2T: Requires redesign of external capacitors.
Temperature	-40°C to 85°C	-30°C to 85°C	-40°C to 85°C	-30°C to 85°C / -40°C to 85°C — Narrower operating temperature range.; TX322512M4LBCE2T: Operating temperature range matches.
Frequency Stability	±50 ppm	±30 ppm	±30 ppm	±30 ppm — Candidate has better stability.; TX322512M4LBCE2T: Candidate has better stability.

Application & sourcing insights

Questions & answers

No direct drop-in is available. Candidates like TX322512M4DBDE2T match the frequency but differ in load capacitance and temperature, requiring engineering review.