MM3Z12VT1G
onsemi
Needs validationlow risk
A strong pin-to-pin substitute with matching voltage, power, and package.
Best Alternatives to BZX384-C12,115
Find direct replacements and functional alternatives for the Nexperia BZX384-C12,115 Zener diode. This page provides FAE-reviewed options for this 12V, 300mW, SOD-323 component.
AI replacement insight
Electrical risklow
Low for matched parts like MM3Z12VT1G; high for parts with different voltage or power.
Package risklow
SOD-323 is a standard package, making physical replacement straightforward.
Sourcing risklow
Multiple manufacturers produce similar 12V SOD-323 Zener diodes.
Can it be replaced directly?
Direct replacement for BZX384-C12,115 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The most direct path is using onsemi's MM3Z12VT1G, which matches all critical parameters including voltage, power, and package.
Main risk
The main risk when substituting is selecting a part with a different Zener voltage or a lower power dissipation rating.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | BZX384-C12,115 | MM3Z12VT1G | LM3Z12VT1G | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Voltage | 12V | 12V | 12V | 12V — Nominal Zener Voltage (Vz); LM3Z12VT1G: Nominal Zener Voltage (Vz) | |
| Power | 300mW | 300mW | 200mW | 300mW / 200mW — Power Dissipation (Ptot); LM3Z12VT1G: Power Dissipation (Ptot) | |
| Package | SOD-323 (SC-76) | SOD-323 | SOD-323 | SOD-323 — Package matches; LM3Z12VT1G: Package matches | |
| Temperature | -65°C to +150°C | -65°C to +150°C | -65°C to +150°C | -65°C to +150°C — Operating temperature range; LM3Z12VT1G: Operating temperature range | |
| Tolerance | ±5% | ±5% | - | ±5% — Voltage tolerance |
Application & sourcing insights
Questions & answers
Verified drop-in options for BZX384-C12,115 are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.