
Overview
The MMSZ5231B is a zener Diode made by onsemi in a SOD-123 package with 2 pins. -55℃~+150℃ 1 Independent 1.6kΩ 17Ω 4.85V~5.36V 5.1V 500mW 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. 98,944 are in stock at JLCPCB (part C66198).
Symbol
Footprint
From the datasheet
3- Junction, hottest
- 150 °C · junction temperature, absolute max · p. 1
- Junction to air (SOD−123)
- 340 K/W · junction to ambient, max · p. 1
- Forward voltage
- 900 mV · IF = 10 mA, TA = 25°C, max · p. 3
Parameters
12- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 1.6kΩ
- Impedance(Zzt)
- 17Ω
- Junction Temperature(Max)
- 150℃
- Operating Junction Temperature Range
- -55℃~+150℃
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 5uA@2V
- Thermal Resistance(Junction to Ambient)
- 340℃/W
- Tolerance
- ±5%
- Voltage - Forward(Vf)
- 900mV
- Zener Voltage(Nom)
- 5.1V
- Zener Voltage(Range)
- 4.85V~5.36V
Order codes
3- MMSZ5231BT3GLCSC C165474
- MMSZ5231BLCSC C3740057
- MMSZ5231BT1GLCSC C66198
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the MMSZ5231B?
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 MMSZ5231B?
SOD-123, with 2 pins. Its footprint is drawn on this page.
Where is the MMSZ5231B datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the MMSZ5231B?
JLCPCB lists it as part C66198, with 98,944 in stock; the sellers' links on this page open their listings.
What can replace the MMSZ5231B?
Parts like it in the library: the BZT52C5V1 by MDD, the MM1Z5V1 by Shandong Jingdao Microelectronics, the BZT52C5V1 by Shikues and the MM1Z5B1 by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
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