Overview
The MMSZ5254B is a zener Diode made by Jiangsu Changjing Electronics Technology (CJ) in a SOD-123 package with 2 pins. -65℃~+150℃ 1 Independent 100nA@21V 25.65V~28.35V 27V 350mW 41Ω 600Ω 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. 1,896 are in stock at JLCPCB (part C21538).
Symbol
Footprint
Parameters
8- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 600Ω
- Impedance(Zzt)
- 41Ω
- Operating Junction Temperature Range
- -65℃~+150℃
- Pd - Power Dissipation
- 350mW
- Reverse Leakage Current (Ir)
- 100nA@21V
- Zener Voltage(Nom)
- 27V
- Zener Voltage(Range)
- 25.65V~28.35V
Order codes
1- MMSZ5254BLCSC C21538
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the MMSZ5254B?
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 MMSZ5254B?
SOD-123, with 2 pins. Its footprint is drawn on this page.
Where is the MMSZ5254B datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the MMSZ5254B?
JLCPCB lists it as part C21538, with 1,896 in stock; the sellers' links on this page open their listings.
What can replace the MMSZ5254B?
Parts like it in the library: the BZT52C27 by hongjiacheng, the BZT52-B27-QX by Nexperia, the BZT52C27 by BORN and the BZT52C27 by GOODWORK. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
BZT52C27
SOD-123Zener DiodeshongjiachengBZT52-B27-QX
SOD-123Zener DiodesNexperiaBZT52C27
SOD-1231 Independent 100nA 25.1V~28.9V 27V 300Ω 500mW 80Ω SOD-123 Zener Diodes ROHSBORNZener DiodesBZT52C27
SOD-1231 Independent 100nA@18.9V 25.1V~28.9V 27V 300Ω 500mW 80Ω SOD-123 Zener Diodes ROHSGOODWORKZener DiodesMMSZ5254B
SOD-123Zener DiodeshongjiachengBZT52C27
SOD-1231 Independent 100nA@21V 25.65V~28.35V 27V 500mW 70Ω SOD-123 Zener Diodes ROHSMDDZener DiodesBZT52B27
SOD-123Zener DiodesBORNBZT52C27
SOD-1231 Independent 100nA@18.9V 25.1V~28.9V 27V 300Ω 350mW 80Ω SOD-123 Zener Diodes ROHSbaochengZener Diodes