Is there a pin-compatible replacement for MM5Z4V7?

BZX584C4V7 shares the same SOD-523 package and pinout. However, its lower power rating means it is not a direct drop-in replacement for all applications and must be verified.

What risks should I check before replacing MM5Z4V7?

Key risks include mismatched power ratings, as seen with BZX584C4V7 (150mW vs 200mW), and different Zener voltages, like with MM5Z5V1 (5.1V vs 4.7V). Always verify these critical parameters against your design requirements.

MM5Z4V7 Alternatives, Datasheet & Cross Reference | onsemi

MM5Z4V7 is a 4.7V, 200mW Zener diode in a compact SOD-523 package. This page provides analysis of potential alternatives, focusing on electrical and mechanical compatibility.

AI replacement insight

Electrical riskmedium

Candidates have different power ratings or voltages, requiring circuit analysis.

Package risklow

Strong candidates share the same SOD-523 package, minimizing physical layout changes.

Sourcing risklow

These are common Zener diodes available from multiple manufacturers.

Can it be replaced directly?

No direct drop-in replacement was found. The closest options have caveats like lower power ratings or different voltages that require engineering review.

Best replacement path

The best path is to evaluate BZX584C4V7, confirming if its 150mW power rating is sufficient for your application.

Main risk

The main risk is using a part with a lower power rating, which could lead to premature failure if not properly derated for the application.

Recommended alternatives

A 4.7V Zener diode in the same SOD-523 package, but with a lower power rating of 150mW.

View details

Alternative comparison matrix

Feature / factor	MM5Z4V7	BZX584C4V7	MM5Z5V1	Compatibility / risk
Package	SOD-523	SOD-523	SOD-523	SOD-523 — Package is physically identical.; MM5Z5V1: Package is physically identical.
Voltage	4.7V	4.7V	5.1V	4.7V / 5.1V — Zener voltage is identical.; MM5Z5V1: Zener voltage is higher.
Power	200mW	150mW	200mW	150mW / 200mW — Candidate has a lower power rating.; MM5Z5V1: Power rating is identical.
Impedance	80 Ohms	80 Ohms	60 Ohms	80 Ohms / 60 Ohms — Zener impedance is identical.; MM5Z5V1: Zener impedance is lower (better).

Application & sourcing insights

Questions & answers

BZX584C4V7 is a strong candidate in the same package and voltage, but has a lower power rating (150mW). It requires careful review of your circuit's power dissipation.