Is there a pin-compatible replacement for CSTCR4M00G55B-R0?

Yes, several parts like CSTCR4M00G55-R0 share the same 3-pin SMD package and are likely pin-compatible. However, a pin-compatible part is not a drop-in replacement due to critical differences in operating temperature.

What risks should I check before replacing CSTCR4M00G55B-R0?

The main risk is the operating temperature range. The target is automotive-grade (-40°C to 125°C), and most alternatives are not. Also, verify the built-in load capacitance (39pF) and frequency (4MHz) match your circuit's requirements.

CSTCR4M00G55B-R0 Alternatives, Datasheet & Cross Reference | Murata Manufacturing Co., Ltd.

CSTCR4M00G55B-R0 is a 4MHz automotive-grade ceramic resonator from Murata with a wide -40°C to 125°C operating range. Finding a direct replacement requires careful matching of its temperature rating and built-in 39pF capacitance.

AI replacement insight

Electrical riskhigh

Using a part with a narrower temperature range in an automotive application can lead to failure.

Package risklow

Several candidates share the same package, making physical replacement straightforward.

Can it be replaced directly?

No direct, verified drop-in replacement has been identified. The 'B' suffix on the target part indicates a wide, automotive-grade temperature range that most alternatives lack.

Best replacement path

The closest alternative is CSTCR4M00G55-R0, which matches key electricals but has a commercial temperature range. For automotive use, a replacement must match the -40°C to 125°C rating.

Main risk

The primary risk is substituting a commercial-grade part (-20°C to 80°C) for the target's automotive-grade temperature range (-40°C to 125°C).

Recommended alternatives

A potential alternative with matching frequency and capacitance, but a narrower commercial temperature range. Verify application environment.

View details

Alternative comparison matrix

Feature / factor	CSTCR4M00G55B-R0	CSTCR4M00G55-R0	CSTCR4M00G53-R0	Compatibility / risk
Frequency	4.000 MHz	4.000 MHz	4.000 MHz	4.000 MHz — Frequency matches.; CSTCR4M00G53-R0: Frequency matches.
Capacitance	39 pF	39 pF	15 pF	39 pF / 15 pF — Built-in load capacitance matches.; CSTCR4M00G53-R0: Significantly different load capacitance will affect oscillation.
Temperature	-40°C to 125°C	-20°C to 80°C	-20°C to 80°C	-20°C to 80°C — Candidate has a narrower, commercial-grade temperature range.; CSTCR4M00G53-R0: Candidate has a narrower, commercial-grade temperature range.
Package	SMD, 3-pin	SMD, 3-pin	SMD, 3-pin	SMD, 3-pin — Package and pin count match.; CSTCR4M00G53-R0: Package and pin count match.

Application & sourcing insights

Questions & answers

CSTCR4M00G55-R0 is the closest parametric match, sharing the same 4MHz frequency and 39pF capacitance. However, it has a narrower, commercial-grade temperature range and is not a direct drop-in for automotive applications.