Skip to the content
PCBKitNew board
MM3Z27B on a board, in 3D

MM3Z27B

STMicroelectronics

Extended
Category
Zener Diodes
Package
SOD-323
Pins
5

Overview

The MM3Z27B is a zener Diode made by STMicroelectronics in a SOD-323 package with 2 pins.

PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (Diode_SMD:D_SOD-323, from KiCad's library), ready for a KiCad board. 2,900 are in stock at JLCPCB (part C7464197).

Symbol

Device:D_ZenerFrom KiCad's library

Footprint

12
Diode_SMD:D_SOD-323From KiCad's library

Parameters

5
Diode Configuration
1 Independent
Impedance(Zzt)
150Ω
Pd - Power Dissipation
300mW
Reverse Leakage Current (Ir)
100nA@21V
Zener Voltage(Range)
26.19V~27.53V

Order codes

1

Pinout

2
The pins of the MM3Z27B
PinNameType
1KPassive
2APassive

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/st/MM3Z27B" title="MM3Z27B 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/st/MM3Z27B.jpg" alt="MM3Z27B" width="1200" height="900">
A picture that opens the part, for a README
[![MM3Z27B](https://pcbkit.io/embed/parts/st/MM3Z27B.jpg?size=s)](https://pcbkit.io/parts/st/MM3Z27B)

Questions

Is there a KiCad symbol and footprint for the MM3Z27B?

Yes. The symbol is Device:D_Zener 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 MM3Z27B?

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

Where is the MM3Z27B datasheet?

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

Where can I order the MM3Z27B?

JLCPCB lists it as part C7464197, with 2,900 in stock; the sellers' links on this page open their listings.

What can replace the MM3Z27B?

Parts like it in the library: the BZX384-C12 by Nexperia, the BZX384-B4V7 by Nexperia, the BZX384-B5V6 by Nexperia and the BZX384-C5V6 by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8