Skip to the content
PCBKitNew board
ZMM5257BPF, in 3D

ZMM5257BPF

STMicroelectronics

Extended
DatasheetJLCPCBLCSCst/ZMM5257BPF
Category
Zener Diodes
Package
LL-34
Pins
5

Overview

The ZMM5257BPF is a zener Diode made by STMicroelectronics in a LL-34 package with 2 pins.

PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (Diode_SMD:D_MiniMELF, from KiCad's library), ready for a KiCad board. 1,324 are in stock at JLCPCB (part C7498669).

Symbol

Device:D_ZenerFrom KiCad's library

Footprint

12
Diode_SMD:D_MiniMELFFrom KiCad's library

Parameters

7
Diode Configuration
1 Independent
Impedance(Zzk)
58Ω
Impedance(Zzt)
3.8Ω
Pd - Power Dissipation
500mW
Reverse Leakage Current (Ir)
100nA
Zener Voltage(Nom)
33V
Zener Voltage(Range)
31.35V~34.65V

Order codes

1

Pinout

2
The pins of the ZMM5257BPF
PinNameType
1KPassive
2APassive

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/st/ZMM5257BPF" title="ZMM5257BPF 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/ZMM5257BPF.jpg" alt="ZMM5257BPF" width="1200" height="900">
A picture that opens the part, for a README
[![ZMM5257BPF](https://pcbkit.io/embed/parts/st/ZMM5257BPF.jpg?size=s)](https://pcbkit.io/parts/st/ZMM5257BPF)

Questions

Is there a KiCad symbol and footprint for the ZMM5257BPF?

Yes. The symbol is Device:D_Zener and the footprint Diode_SMD:D_MiniMELF, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ZMM5257BPF?

LL-34, with 2 pins. Its footprint is drawn on this page.

Where is the ZMM5257BPF datasheet?

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

Where can I order the ZMM5257BPF?

JLCPCB lists it as part C7498669, with 1,324 in stock; the sellers' links on this page open their listings.

What can replace the ZMM5257BPF?

Parts like it in the library: the ZMM33V by JSMSEMI, the ZMM33 by DIOTEC, the BZV55C33 by LGE and the ZMM55-C33_R1_10001 by PANJIT International. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8