Skip to the content
PCBKitNew board
MM3Z12 on a board, in 3D

MM3Z12

FOSAN

Extended
DatasheetJLCPCBLCSCfosan/MM3Z12
Category
Zener Diodes
Package
SOD-323
Pins
2

Overview

The MM3Z12 is a zener Diode made by FOSAN in a SOD-323 package with 2 pins.

PCBKit's library has its KiCad symbol (Diode:MM3Zxx, from KiCad's library) and its footprint (Diode_SMD:D_SOD-323, from KiCad's library), ready for a KiCad board. 3,849 are in stock at JLCPCB (part C5359789).

Symbol

Diode:MM3ZxxFrom KiCad's library

Footprint

12
Diode_SMD:D_SOD-323From KiCad's library

Parameters

7
Diode Configuration
1 Independent
Impedance(Zzt)
35Ω
Operating Junction Temperature Range
-55℃~+150℃
Pd - Power Dissipation
300mW
Reverse Leakage Current (Ir)
100nA@9V
Zener Voltage(Nom)
12V
Zener Voltage(Range)
11.4V~12.7V

Order codes

1

Pinout

2
The pins of the MM3Z12
PinNameType
1KPassive
2APassive

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/fosan/MM3Z12" title="MM3Z12 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/fosan/MM3Z12.jpg" alt="MM3Z12" width="1200" height="900">
A picture that opens the part, for a README
[![MM3Z12](https://pcbkit.io/embed/parts/fosan/MM3Z12.jpg?size=s)](https://pcbkit.io/parts/fosan/MM3Z12)

Questions

Is there a KiCad symbol and footprint for the MM3Z12?

Yes. The symbol is Diode:MM3Zxx and the footprint Diode_SMD:D_SOD-323, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the MM3Z12?

SOD-323, with 2 pins. Its footprint is drawn on this page.

Where is the MM3Z12 datasheet?

FOSAN publishes it: the Datasheet link on this page opens it.

Where can I order the MM3Z12?

JLCPCB lists it as part C5359789, with 3,849 in stock; the sellers' links on this page open their listings.

What can replace the MM3Z12?

Parts like it in the library: the BZX384-C12 by Nexperia, the BZX384-B12 by Nexperia, the MM3Z12V by onsemi and the BZX384-C12-QX by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8