Is there a pin-compatible replacement for SRV05-4ATCT?

No direct pin-to-pin replacement has been confirmed. While parts like RCLAMP0504S.TCT share the SOT-23-6L package, their pinouts must be verified against the SRV05-4ATCT datasheet to ensure compatibility.

What risks should I check before replacing SRV05-4ATCT?

The main risk is using a substitute with a lower peak pulse power rating, which may not provide adequate protection against electrical transients. You must also verify the pinout and diode directionality are identical.

SRV05-4ATCT Alternatives, Datasheet & Cross Reference | TECH PUBLIC

Q: What is the best alternative to SRV05-4ATCT?

Semtech's RCLAMP0504S.TCT is a potential alternative with the same package and voltage, but it has a lower power rating (150W vs 300W) and requires engineering review before use.

SRV05-4ATCT is a 4-channel TVS diode array offering 300W peak power protection for high-speed data lines in a SOT-23-6L package. Finding a substitute requires careful matching of its power rating and low capacitance.

AI replacement insight

Electrical riskhigh

Most alternatives have significantly lower power ratings (150W or 60W vs 300W).

Package risklow

The SOT-23-6L package is common, but pinout must be verified.

Can it be replaced directly?

No confirmed direct drop-in replacement for SRV05-4ATCT is available. All potential alternatives require careful review of electrical parameters, especially the peak pulse power rating.

Best replacement path

Consider Semtech's RCLAMP0504S.TCT, but you must verify if its 150W power rating is sufficient, as it's a downgrade from the original 300W.

Main risk

Electrical overstress due to a substitute having a lower peak pulse power rating.

Recommended alternatives

A functional alternative in the same package, but with a significantly lower power rating that requires engineering review.

View details

Alternative comparison matrix

Feature / factor	SRV05-4ATCT	RCLAMP0504S.TCT	IP4220CZ6-ES	NUP4114HMR6T1G	Compatibility / risk
Package	SOT-23 6L	SOT-23 6L	SOT-23-6L	SOT-23-6L	SOT-23 6L / SOT-23-6L — Package matches, check footprint details.; IP4220CZ6-ES: Package matches, check footprint details.; NUP4114HMR6T1G: Package matches, check footprint details.
Voltage	5.0V	5.0V	5.0V	5.0V	5.0V — Operating voltage matches.; IP4220CZ6-ES: Operating voltage matches.; NUP4114HMR6T1G: Operating voltage matches.
Power	300W	150W	60W	60W	150W / 60W — Candidate has 50% lower peak pulse power.; IP4220CZ6-ES: Candidate has 80% lower peak pulse power.; NUP4114HMR6T1G: Candidate has 80% lower peak pulse power.
Capacitance	3pF	< 3pF	0.6pF	0.3pF	< 3pF / 0.6pF / 0.3pF — Low capacitance is suitable for high-speed lines.; IP4220CZ6-ES: Ultra-low capacitance is an upgrade for signal integrity.; NUP4114HMR6T1G: Ultra-low capacitance is an upgrade for signal integrity.

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