Overview
The CD4781 is a zener Diode made by Microchip Technology with 2 pins. -65℃~+175℃ 1 Independent 200Ω 8.5V ±5% - 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 C7228123).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
5- Diode Configuration
- 1 Independent
- Impedance(Zzt)
- 200Ω
- Operating Junction Temperature Range
- -65℃~+175℃
- Tolerance
- ±5%
- Zener Voltage(Nom)
- 8.5V
Order codes
1- CD4781LCSC C7228123
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the CD4781?
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 CD4781 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the CD4781?
JLCPCB lists it as part C7228123, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD4781?
Parts like it in the library: the MMSZ4696 by GOODWORK, the 1N4775A-1/TR by Microchip Technology, the CD4777 by Microchip Technology and the CD4780A by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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