Overview
The CD4370 is a zener Diode made by Microchip Technology with 2 pins. -65℃~+175℃ 100uA@1V 2.4V 30Ω 500mW ±10% - 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 C7228109).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
6- Impedance(Zzt)
- 30Ω
- Operating Junction Temperature Range
- -65℃~+175℃
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 100uA@1V
- Tolerance
- ±10%
- Zener Voltage(Nom)
- 2.4V
Order codes
1- CD4370LCSC C7228109
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the CD4370?
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 CD4370 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the CD4370?
JLCPCB lists it as part C7228109, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD4370?
Parts like it in the library: the BZT52C2V4 by MDD, the MMSZ5221B by onsemi, the 1N5221B by LGE and the ZMM5221B by JSMSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8BZT52C2V4
SOD-1231 Independent 100Ω 120uA@1V 2.28V~2.52V 2.4V 500mW SOD-123 Zener Diodes ROHSMDDZener DiodesMMSZ5221B
SOD-123-55℃~+150℃ 1 Independent 1.2kΩ 100uA@1V 2.28V~2.52V 2.4V 30Ω 500mW SOD-123 Zener Diodes ROHSonsemiZener Diodes1N5221B
DO-351 Independent 1.2kΩ 100uA@1V 2.32V~2.51V 2.4V 30Ω 500mW DO-35 Zener Diodes ROHSLGEZener DiodesZMM5221B
MiniMELF1 Independent 1.2kΩ 100uA@1V 2.4V 30Ω 500mW ±5% MiniMELF Zener Diodes ROHSJSMSEMIZener DiodesMM1Z2V4
SOD-1231 Independent 100Ω 120uA@1V 2.28V~2.56V 2.4V 500mW ±5% SOD-123 Zener Diodes ROHSCBIZener DiodesBZT52C2V4
SOD-123-55℃~+150℃ 1 Independent 100Ω 2.28V~2.52V 2.4V 500mW 50uA 600Ω SOD-123 Zener Diodes ROHSGalaxy MicroelectronicsZener DiodesBZT52C2V4Q
SOD-123-55℃~+150℃ 1 Independent 100Ω 2.28V~2.52V 2.4V 500mW 50uA@1V 600Ω ±5% SOD-123 Zener Diodes ROHSJSMSEMIZener DiodesMMSZ5221B
SOD-123SOD-123 Zener Diodes ROHSMDDZener Diodes