Is there a pin-compatible replacement for PESD5V0S1BA-ES?

Yes, several parts like H5VLD3B are available in the same SOD-323 package and are electrically pin-compatible. However, you must verify key electrical parameters like clamping voltage and power rating to ensure it is a safe replacement for your application.

What risks should I check before replacing PESD5V0S1BA-ES?

Before replacing PESD5V0S1BA-ES, you must check three main risks: 1) A higher clamping voltage on the substitute will offer less protection. 2) A lower peak power rating may lead to failure during a large transient event. 3) A higher capacitance can degrade signal integrity on high-speed lines.

PESD5V0S1BA-ES Alternatives, Datasheet & Cross Reference | ElecSuper

PESD5V0S1BA-ES is a 5V bidirectional TVS diode in a compact SOD-323 package, designed to protect sensitive electronics from electrostatic discharge (ESD) and other voltage transients. Finding a suitable replacement requires careful comparison of clamping voltage, power rating,...

AI replacement insight

Electrical riskhigh

Many alternatives have higher clamping voltages, offering less protection.

Package risklow

The SOD-323 package is common, and many candidates match the form factor.

Sourcing risklow

Multiple vendors produce 5V TVS diodes in this package, though specs vary.

Can it be replaced directly?

No drop-in replacement without caveats has been identified. H5VLD3B is a strong parametric match that requires a review of its lower power rating.

Best replacement path

The best alternative is H5VLD3B, which matches key electricals like clamping voltage and capacitance but has a lower power rating. This requires verifying if the application's transient energy is within the 95W rating of H5VLD3B.

Main risk

The primary risk when substituting is using a part with a higher clamping voltage, which would provide inadequate protection to the downstream circuit.

Recommended alternatives

A strong parametric match in a SOD-323 package, but with a lower power rating that requires review.

View details

Alternative comparison matrix

Feature / factor	PESD5V0S1BA-ES	H5VLD3B	PESD5V0S1BA-N	Compatibility / risk
Package	SOD-323	SOD-323	-	SOD-323 — Identical package.
Directionality	Bi-directional	Bi-directional	-	Bi-directional — Matches target's polarity.
Clamping Voltage	8V @ 1A	8V @ 1A	-	21 V — Significantly higher clamping voltage offers less protection.
Capacitance	15 pF	15 pF	-	60 pF — Much higher capacitance may impact high-speed signals.
Power	150 W	95 W	-	350 W — Higher power rating is offset by poor clamping.

Application & sourcing insights

Questions & answers

The best alternative found is H5VLD3B. It matches the package, 5V working voltage, bidirectional polarity, 8V clamping voltage, and 15pF capacitance. However, its peak power rating is lower (95W vs 150W), which requires engineering review.