
Overview
The BZX85C56 is a zener Diode made by onsemi in a DO-204AL(DO-41) package with 2 pins. -65℃~+200℃ 1 Independent 120Ω 1W 2kΩ 500nA@39V 52V~60V 56V ±5% DO-204AL(DO-41) Zener Diodes ROHS.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (ICs And Semiconductors THD:DO-41, from CERN's library), ready for a KiCad board. JLCPCB lists it (part C3742021). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Order codes
1- BZX85C56LCSC C3742021
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Open-source boards using it
All 1- 2 layers100 × 100.1 mm

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<iframe src="https://pcbkit.io/embed/parts/onsemi/BZX85C56" title="BZX85C56 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/BZX85C56.jpg" alt="BZX85C56" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/BZX85C56)Questions
Is there a KiCad symbol and footprint for the BZX85C56?
Yes. The symbol is Device:D_Zener and the footprint ICs And Semiconductors THD:DO-41, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the BZX85C56?
DO-204AL(DO-41), with 2 pins. Its footprint is drawn on this page.
Where is the BZX85C56 datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the BZX85C56?
JLCPCB lists it as part C3742021, with 0 in stock; the sellers' links on this page open their listings.
What can replace the BZX85C56?
Parts like it in the library: the BZX85C8V2 by EIC Semicon, the BZX85C12 by onsemi, the BZX85C10 by onsemi and the BZX85C13 by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the BZX85C56?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8BZX85C8V2
DO-41-65℃~+200℃ 1 Independent 1.3W 200Ω 50uA@6.2V 5Ω 8.2V DO-41 Zener Diodes ROHSEIC SemiconZener DiodesBZX85C12
DO-41-65℃~+200℃ 1 Independent 11.4V~12.7V 12V 1W 350Ω 500nA@8.4V 9Ω DO-41 Zener Diodes ROHSonsemiZener DiodesBZX85C10
DO-41-65℃~+200℃ 1 Independent 10V 1W 200Ω 500nA@7V 7Ω 9.4V~10.6V DO-41 Zener Diodes ROHSonsemiZener DiodesBZX85C13
DO-41-65℃~+200℃ 1 Independent 10Ω 12.4V~14.1V 13V 1W 400Ω 500nA@9.1V DO-41 Zener Diodes ROHSonsemiZener DiodesBZV85-C3V6
DO-411 Independent 1.3W 15Ω 3.4V~3.8V 3.6V 50uA@1V DO-41 Zener Diodes ROHSNexperiaZener Diodes1N5927B
DO-41-65℃~+200℃ 1 Independent 11.4V~12.6V 12V 1uA@9.1V 550Ω 6.5Ω DO-41 Zener Diodes ROHSonsemiZener DiodesBZX85C15
DO-41-65℃~+200℃ 1 Independent 13.8V~15.6V 15V 15Ω 1W 500nA@10.5V 500Ω DO-41 Zener Diodes ROHSonsemiZener Diodes1N5927B
DO-4112V 1uA@9.1V DO-41 Zener Diodes ROHSMicrochip TechnologyZener Diodes