Overview
The CD4729 is a zener Diode made by Microchip Technology with 2 pins.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C20290590).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
7- Impedance(Zzk)
- 400Ω
- Impedance(Zzt)
- 10Ω
- Operating Junction Temperature Range
- -65℃~+175℃
- Pd - Power Dissipation
- 1W
- Reverse Leakage Current (Ir)
- 100uA@1V
- Tolerance
- ±10%
- Zener Voltage(Nom)
- 3.6V
Order codes
1- CD4729LCSC C20290590
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the CD4729?
Yes. The symbol is Device:D_Zener, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the CD4729 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the CD4729?
JLCPCB lists it as part C20290590, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD4729?
Parts like it in the library: the ZM4729A by MSKSEMI, the ZM4729A by Slkor, the ZM4729APF-M by STMicroelectronics and the ZM4729A-TD by TDSEMIC. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8ZM4729A
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LL-41Zener DiodesSTMicroelectronicsZM4729A-TD
LL-411 Independent 100uA@1V 10Ω 1W 3.42V~3.78V 3.6V 400Ω ±5% LL-41 Zener Diodes ROHSTDSEMICZener DiodesZM4729A
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DO-214AC(SMA)-55℃~+150℃ 1 Independent 100uA@1V 10Ω 1W 3.4V~3.8V 3.6V DO-214AC(SMA) Zener Diodes ROHSLGEZener Diodes1SMA5914A
DO-214AC(SMA)-55℃~+150℃ 1 Independent 1.5W 3.24V~3.96V 3.6V 500Ω 75uA@1V 9Ω DO-214AC(SMA) Zener Diodes ROHSLGEZener DiodesSMA4729A
DO-214AC(SMA)Zener DiodesZHIDE