Is there a pin-compatible replacement for BZV55-C12,115?

Yes, the Nexperia BZV55-B12,115 is a pin-compatible replacement in the same SOD80C package. It is an upgrade with a tighter voltage tolerance.

What risks should I check before replacing BZV55-C12,115?

When replacing, verify package compatibility (SOD80C), Zener voltage (12V), and power rating (500mW). Using a part with a different voltage will cause circuit failure. Tighter tolerance parts are generally safe upgrades.

BZV55-C12,115 Alternatives, Datasheet & Cross Reference | Nexperia USA Inc.

The Nexperia BZV55-C12,115 is a 12V, 500mW Zener diode in a compact SOD80C package, widely used for voltage regulation. Key alternatives include tighter tolerance versions and functional alternates with different packages.

AI replacement insight

Electrical risklow

Low when using the recommended 12V alternatives. High if voltage differs.

Package riskhigh

High if considering parts not in a SOD80C package, as it requires a new PCB layout.

Sourcing risklow

This is a common Zener diode with multiple sources available.

Can it be replaced directly?

Yes, BZV55-B12,115 is a direct replacement for BZV55-C12,115, offering a tighter tolerance.

Best replacement path

Use Nexperia's BZV55-B12,115 for a direct, pin-compatible upgrade with improved tolerance.

Main risk

The main risk is selecting a part with an incorrect Zener voltage or a non-matching package, which would require a board redesign.

Recommended alternatives

A strong pin-compatible alternative from the same manufacturer with a tighter voltage tolerance (±2% vs ±5%).

View details

Alternative comparison matrix

Feature / factor	BZV55-C12,115	BZV55-B12,115	1SMA5928BT3G	Compatibility / risk
Package	SOD80C	SOD80C	SMA (DO-214AC)	SOD80C / SMA (DO-214AC) — Package is identical.; 1SMA5928BT3G: Different package requires PCB redesign.
Voltage	12V	12V	13V	12V / 13V — Nominal Zener voltage matches.; 1SMA5928BT3G: Zener voltage is 1V higher.
Tolerance	±5%	±2%	-	±2% — Candidate has tighter tolerance, which is an upgrade.
Power	500mW	500mW	1.5W	500mW / 1.5W — Power dissipation matches.; 1SMA5928BT3G: Higher power rating provides more thermal margin.
Manufacturer	Nexperia USA Inc.	-	onsemi	onsemi — Cross-vendor alternative.

Application & sourcing insights

Questions & answers

The BZV55-B12,115 from Nexperia is the best alternative, offering the same specifications but with a tighter ±2% voltage tolerance, making it a direct upgrade.