Is there a pin-compatible replacement for PDFB050150-SOD923?

Several candidates like LESD9D5.0CT5G and WE05D9-B use the same 2-pin SOD-923 package. However, true pin-compatibility requires verifying that all critical electrical parameters, especially polarity, are a match for your application.

What risks should I check before replacing PDFB050150-SOD923?

Key risks include: 1) Polarity mismatch (the target is bi-directional). 2) Insufficient power rating (some alternatives are rated lower than 80W). 3) Different clamping or breakdown voltages that could affect protection levels. Always verify datasheet parameters.

PDFB050150-SOD923 Alternatives, Datasheet & Cross Reference | TECH PUBLIC

Finding a substitute for the PDFB050150-SOD923, a 5V bi-directional TVS diode in a SOD-923 package. Replacements must match the bi-directional configuration, 80W power rating, and other key electricals to ensure proper circuit protection.

AI replacement insight

Electrical riskhigh

Polarity, power rating, and clamping voltage must be carefully verified to ensure adequate protection.

Package risklow

Multiple candidates are available in the same SOD-923 package, ensuring form-fit compatibility.

Can it be replaced directly?

No exact direct replacement is identified, but LESD9D5.0CT5G is a strong candidate that may serve as an upgrade. Other parts have caveats like lower power ratings or unverified polarity.

Best replacement path

LESD9D5.0CT5G from LRC is a promising upgrade path, offering a higher 150W power rating while matching other key parameters.

Main risk

The primary risk is selecting a replacement with the wrong polarity (uni-directional instead of bi-directional) or an insufficient power rating.

Recommended alternatives

A potential upgrade with a higher power rating (150W vs 80W) and matching key electricals in the same SOD-923 package.

View details

Alternative comparison matrix

Feature / factor	PDFB050150-SOD923	LESD9D5.0CT5G	TPESD9B5.0ST5G	Compatibility / risk
Package	SOD-923	SOD-923	SOD-923	SOD-923 — Same package and pin count.; TPESD9B5.0ST5G: Same package and pin count.
Polarity Or Type	Bi-directional	Bi-directional	Bi-directional	Bi-directional — Both are bi-directional.; TPESD9B5.0ST5G: Both are bi-directional.
Power	80.0 W	150.0 W	60.0 W	150.0 W / 60.0 W — Higher power rating provides more protection margin.; TPESD9B5.0ST5G: Lower power rating reduces protection margin.
Voltage	5.0 V	5.0 V	5.0 V	5.0 V — Same working voltage.; TPESD9B5.0ST5G: Working voltage matches.
Capacitance	15 pF	15 pF	-	15 pF — Capacitance matches target.

Application & sourcing insights

Questions & answers

The best alternative appears to be LESD9D5.0CT5G from LRC. It offers a higher power rating (150W vs 80W) in the same SOD-923 package with matching voltage and polarity, making it a potential upgrade.