Overview
The CD4121C is a zener Diode made by Microchip Technology with 2 pins. -65℃~+175℃ 10nA@25.08V 200Ω 33V 500mW ±2% - Zener Diodes ROHS.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C7100211).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
6- Impedance(Zzt)
- 200Ω
- Operating Junction Temperature Range
- -65℃~+175℃
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 10nA@25.08V
- Tolerance
- ±2%
- Zener Voltage(Nom)
- 33V
Order codes
1- CD4121CLCSC C7100211
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the CD4121C?
Yes. The symbol is Device:D_Zener, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the CD4121C datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the CD4121C?
JLCPCB lists it as part C7100211, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD4121C?
Parts like it in the library: the MM1Z33BW by JUXING, the BZT52B33 by LGE, the BZT52-B33J by Nexperia and the MM1Z33B by Shandong Jingdao Microelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8MM1Z33BW
SOD-1231 Independent 100nA@25V 32.34V~33.66V 33V 500mW 80Ω ±2% SOD-123 Zener Diodes ROHSJUXINGZener DiodesBZT52B33
SOD-1231 Independent 250Ω 32.3V~33.7V 33V 500mW 80Ω SOD-123 Zener Diodes ROHSLGEZener DiodesBZT52-B33J
SOD-1231 Independent 32.3V~33.7V 33V 40Ω 50nA@23.1V 590mW ±2% SOD-123 Zener Diodes ROHSNexperiaZener DiodesMM1Z33B
SOD-123-55℃~+150℃ 1 Independent 100nA@25V 32.34V~33.66V 33V 500mW 80Ω SOD-123 Zener Diodes ROHSShandong Jingdao MicroelectronicsZener DiodesMM1Z33BW
SOD-123W-55℃~+150℃ 1 Independent 100nA@25V 32.34V~33.66V 33V 500mW 80Ω SOD-123W Zener Diodes ROHSShandong Jingdao MicroelectronicsZener DiodesBZT52B33
SOD-123-65℃~+150℃ 1 Independent 100nA 32.24V~33.66V 33V 500mW 80Ω SOD-123 Zener Diodes ROHSShikuesZener DiodesMM1ZB33
SOD-1231 Independent 100nA@25V 32.34V~33.66V 33V 500mW 80Ω SOD-123 Zener Diodes ROHSSTMicroelectronicsZener DiodesBZY55B33
0805Zener DiodesTaiwan Semiconductor