Is there a pin-compatible replacement for PTVS12VS1UR,115?

No pin-compatible replacements were identified. All suitable functional alternatives like SMAJ12A and SMBJ12A use different packages (SMA/SMB) than the target's SOD123W.

What risks should I check before replacing PTVS12VS1UR,115?

The main risk is the package mismatch. The alternatives are physically larger and require a board redesign. Always verify the clamping voltage and dynamic characteristics in your specific application.

PTVS12VS1UR,115 Alternatives, Datasheet & Cross Reference | Nexperia USA Inc.

PTVS12VS1UR,115 is a 400W, 12V unidirectional TVS diode in a compact SOD123W package. This page reviews potential alternatives, focusing on electrical compatibility and physical package differences.

AI replacement insight

Package riskhigh

Candidates are in larger SMA/SMB packages, not the compact SOD123W, requiring a new PCB layout.

Electrical risklow

Kept candidates have matching or superior key electrical ratings (Vrwm, Pppm).

Can it be replaced directly?

No direct, drop-in replacement for PTVS12VS1UR,115 was found. All functional alternatives require a package footprint change on the PCB.

Best replacement path

Use SMAJ12A for an identical electrical profile or SMBJ12A for a higher power rating; both require a PCB layout change.

Main risk

Package mismatch is the primary risk, preventing a direct drop-in replacement and necessitating a board redesign.

Recommended alternatives

Electrically identical alternative but requires a PCB layout change due to a different package.

View details

Alternative comparison matrix

Feature / factor	PTVS12VS1UR,115	SMAJ12A	SMBJ12A	Compatibility / risk
Package	SOD123W	SMA (DO-214AC)	SMB (DO-214AA)	SMA (DO-214AC) / SMB (DO-214AA) — Requires PCB layout change. Candidate is larger.; SMBJ12A: Requires PCB layout change. Candidate is larger.
Voltage	12.0V	12.0V	12.0V	12.0V — Reverse standoff voltage matches.; SMBJ12A: Reverse standoff voltage matches.
Power	400.0W	400.0W	600.0W	400.0W / 600.0W — Peak pulse power matches.; SMBJ12A: Higher peak pulse power provides more protection.
Current	20.1A	20.1A	30.2A	20.1A / 30.2A — Peak pulse current matches.; SMBJ12A: Higher peak pulse current handling.

Application & sourcing insights

Questions & answers

SMAJ12A is the closest electrical match, while SMBJ12A offers higher power handling. Both require a new PCB layout as they are in different packages.