Overview
The MMSZ5229B is a zener Diode made by Jiangsu Changjing Electronics Technology (CJ) in a SOD-123 package with 2 pins. -65℃~+150℃ 1 Independent 22Ω 2kΩ 350mW 4.09V~4.52V 4.3V 5uA SOD-123 Zener Diodes ROHS.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (Diode_SMD:D_SOD-123, from KiCad's library), ready for a KiCad board. 1,891 are in stock at JLCPCB (part C21552).
Symbol
Footprint
Parameters
8- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 2kΩ
- Impedance(Zzt)
- 22Ω
- Operating Junction Temperature Range
- -65℃~+150℃
- Pd - Power Dissipation
- 350mW
- Reverse Leakage Current (Ir)
- 5uA
- Zener Voltage(Nom)
- 4.3V
- Zener Voltage(Range)
- 4.09V~4.52V
Order codes
1- MMSZ5229BLCSC C21552
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the MMSZ5229B?
Yes. The symbol is Device:D_Zener and the footprint Diode_SMD:D_SOD-123, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MMSZ5229B?
SOD-123, with 2 pins. Its footprint is drawn on this page.
Where is the MMSZ5229B datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the MMSZ5229B?
JLCPCB lists it as part C21552, with 1,891 in stock; the sellers' links on this page open their listings.
What can replace the MMSZ5229B?
Parts like it in the library: the BZT52C4V3 by hongjiacheng, the BZT52C4V3 by TWGMC, the BZT52C4V3 by BORN and the BZT52C4V3 by Jiangsu Changjing Electronics Technology (CJ). Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
BZT52C4V3
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SOD-1231 Independent 3uA@1V 4.3V 4V~4.6V 500mW 600Ω 90Ω SOD-123 Zener Diodes ROHSBORNZener DiodesBZT52C4V3
SOD-123-55℃~+150℃ 1 Independent 3uA@1V 4.3V 4V~4.6V 500mW 600Ω 90Ω SOD-123 Zener Diodes ROHSJiangsu Changjing Electronics Technology (CJ)Zener DiodesBZT52C4V3
SOD-1231 Independent 3uA 4.3V 4V~4.6V 500mW 600Ω 90Ω SOD-123 Zener Diodes ROHSGOODWORKZener DiodesMMSZ5229B
SOD-123Zener DiodeshongjiachengMM1Z4V3B
SOD-123-65℃~+150℃ 1 Independent 130Ω 4.21V~4.39V 4.3V 500mW 5uA@1V SOD-123 Zener Diodes ROHSGOODWORKZener DiodesBZT52C4V3
SOD-1231 Independent 130Ω 4.11V~4.52V 4.3V 500mW 5uA@1V SOD-123 Zener Diodes ROHSMDDZener Diodes