
Overview
The ZMM12 is a zener Diode made by YFW in a LL-34 package with 2 pins. 1 Independent 100nA@9.1V 11.4V~12.7V 12V 20Ω 500mW 90Ω LL-34 Zener Diodes ROHS.
PCBKit's library has its KiCad symbol (Diode:ZMMxx, from KiCad's library) and its footprint (Diode_SMD:D_MiniMELF, from KiCad's library), ready for a KiCad board. 2,435 are in stock at JLCPCB (part C20623298).
Symbol
Footprint
Parameters
7- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 90Ω
- Impedance(Zzt)
- 20Ω
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 100nA@9.1V
- Zener Voltage(Nom)
- 12V
- Zener Voltage(Range)
- 11.4V~12.7V
Order codes
1- ZMM12LCSC C20623298
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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<iframe src="https://pcbkit.io/embed/parts/yfw/ZMM12" title="ZMM12 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/yfw/ZMM12.jpg" alt="ZMM12" width="1200" height="900">[](https://pcbkit.io/parts/yfw/ZMM12)Questions
Is there a KiCad symbol and footprint for the ZMM12?
Yes. The symbol is Diode:ZMMxx 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 ZMM12?
LL-34, with 2 pins. Its footprint is drawn on this page.
Where is the ZMM12 datasheet?
YFW publishes it: the Datasheet link on this page opens it.
Where can I order the ZMM12?
JLCPCB lists it as part C20623298, with 2,435 in stock; the sellers' links on this page open their listings.
What can replace the ZMM12?
Parts like it in the library: the ZMM12V by HXY MOSFET, the BZV55C12 by LGE, the ZMM12 by Slkor and the ZMM12V by YONGYUTAI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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