Overview
The MMSZ5237B is a zener Diode made by Jiangsu Changjing Electronics Technology (CJ) in a SOD-123 package with 2 pins. 1 Independent 350mW 3uA@6.5V 7.79V~8.61V 8.2V 8Ω 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. 452 are in stock at JLCPCB (part C65078).
Symbol
Footprint
Parameters
7- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 500Ω
- Impedance(Zzt)
- 8Ω
- Pd - Power Dissipation
- 350mW
- Reverse Leakage Current (Ir)
- 3uA@6.5V
- Zener Voltage(Nom)
- 8.2V
- Zener Voltage(Range)
- 7.79V~8.61V
Order codes
1- MMSZ5237BLCSC C65078
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the MMSZ5237B?
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 MMSZ5237B?
SOD-123, with 2 pins. Its footprint is drawn on this page.
Where is the MMSZ5237B datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the MMSZ5237B?
JLCPCB lists it as part C65078, with 452 in stock; the sellers' links on this page open their listings.
What can replace the MMSZ5237B?
Parts like it in the library: the BZT52C8V2 by hongjiacheng, the BZT52B8V2 by hongjiacheng, the BZT52C8V2 by MDD and the MMSZ5237B by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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