
Overview
The ZMM56 is a zener Diode made by STMicroelectronics in a LL-34 package with 2 pins. 1 Independent 100nA@43V 135Ω 500mW 52V~60V 56V 700Ω 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. JLCPCB lists it (part C8087).
Symbol
Footprint
Parameters
7- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 700Ω
- Impedance(Zzt)
- 135Ω
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 100nA@43V
- Zener Voltage(Nom)
- 56V
- Zener Voltage(Range)
- 52V~60V
Order codes
1- ZMM56LCSC C8087
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/st/ZMM56" title="ZMM56 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/ZMM56.jpg" alt="ZMM56" width="1200" height="900">[](https://pcbkit.io/parts/st/ZMM56)Questions
Is there a KiCad symbol and footprint for the ZMM56?
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 ZMM56?
LL-34, with 2 pins. Its footprint is drawn on this page.
Where is the ZMM56 datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the ZMM56?
JLCPCB lists it as part C8087, with 0 in stock; the sellers' links on this page open their listings.
What can replace the ZMM56?
Parts like it in the library: the BZV55C56 by LGE, the ZMM5263B_R1_10001 by PANJIT International, the ZMM56PF by STMicroelectronics and the ZMM56 by Zhengxin. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8BZV55C56
LL-34(Mini-MELF)-65℃~+200℃ 1 Independent 100nA@42V 135Ω 1kΩ 500mW 52V~60V 56V LL-34(Mini-MELF) Zener Diodes ROHSLGEZener DiodesZMM5263B_R1_10001
MiniMELF-65℃~+175℃ 1 Independent 1.3kΩ 100nA@43V 150Ω 500mW 53.2V~58.8V 56V MiniMELF Zener Diodes ROHSPANJIT InternationalZener DiodesZMM56PF
MiniMELF(LL-34)Zener DiodesSTMicroelectronicsZMM56
LL-34LL-34 Zener Diodes ROHSZhengxinZener DiodesZMM55-C56_R1_10001
LL-34-65℃~+175℃ 1 Independent 100nA@1V 135Ω 1kΩ 500mW 52V~60V 56V LL-34 Zener Diodes ROHSPANJIT InternationalZener DiodesZMM56V
MiniMELF(LL-34)1 Independent 100nA 135Ω 500mW 52V~60V 56V 700Ω MiniMELF(LL-34) Zener Diodes ROHSYONGYUTAIZener Diodes1N4127UR
DO-213AAZener DiodesMicrochip Technology1N4127UR-1
DO-213AAZener DiodesMicrochip Technology