
Overview
The MMBZ5230B is a zener Diode made by Jiangsu Changjing Electronics Technology (CJ) in a SOT-23 package with 3 pins. 1 Independent 19Ω 300mW 4.47V~4.94V 4.7V 5uA@2V SOT-23 Zener Diodes ROHS.
PCBKit's library has its KiCad symbol (Diode:MMBZxx, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 108 are in stock at JLCPCB (part C193733).
Symbol
Footprint
Parameters
7- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 1.9kΩ
- Impedance(Zzt)
- 19Ω
- Pd - Power Dissipation
- 300mW
- Reverse Leakage Current (Ir)
- 5uA@2V
- Zener Voltage(Nom)
- 4.7V
- Zener Voltage(Range)
- 4.47V~4.94V
Order codes
1- MMBZ5230BLCSC C193733
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | K | Passive |
| 3 | A | Passive |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/cj/MMBZ5230B" title="MMBZ5230B in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/cj/MMBZ5230B.jpg" alt="MMBZ5230B" width="1200" height="900">[](https://pcbkit.io/parts/cj/MMBZ5230B)Questions
Is there a KiCad symbol and footprint for the MMBZ5230B?
Yes. The symbol is Diode:MMBZxx and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MMBZ5230B?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where is the MMBZ5230B datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the MMBZ5230B?
JLCPCB lists it as part C193733, with 108 in stock; the sellers' links on this page open their listings.
What can replace the MMBZ5230B?
Parts like it in the library: the BZX84C4V7 by hongjiacheng, the BZX84C4V7 by FOSAN, the BZX84C4V7 by GOODWORK and the LBZX84C4V7LT1G by Leshan Radio (LRC). Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8BZX84C4V7
SOT-23Zener DiodeshongjiachengBZX84C4V7
SOT-23-55℃~+125℃ 1 Independent 300mW 4.4V~5V 4.7V 80Ω SOT-23 Zener Diodes ROHSFOSANZener DiodesBZX84C4V7
SOT-23Zener DiodesGOODWORKLBZX84C4V7LT1G
SOT-23-55℃~+150℃ 1 Independent 300mW 3uA 4.4V~5V 4.7V 80Ω SOT-23 Zener Diodes ROHSLeshan Radio (LRC)Zener DiodesBZX84B4V7
SOT-23SOT-23 Zener Diodes ROHSluJingZener DiodesBZX84C4V7
SOT-231 Independent 300mW 3uA@2V 4.4V~5V 4.7V 500Ω 80Ω SOT-23 Zener Diodes ROHSJiangsu Changjing Electronics Technology (CJ)Zener DiodesBZX84C4V7Q
SOT-23Zener DiodesDiodes IncorporatedBZX84C4V7
SOT-23-65℃~+150℃ 1 Independent 350mW 3uA@2V 4.4V~5V 4.7V 500Ω 80Ω SOT-23 Zener Diodes ROHSLGEZener Diodes