Overview
The 1N943B is a zener Diode made by Microchip Technology in a DO-7 package with 2 pins.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C6395757).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
8- Diode Configuration
- 1 Independent
- Impedance(Zzt)
- 30Ω
- Operating Junction Temperature Range
- -65℃~+175℃
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 15uA@8V
- Tolerance
- ±5%
- Zener Voltage(Nom)
- 11.7V
- Zener Voltage(Range)
- 11.12V~12.28V
Order codes
1- 1N943BLCSC C6395757
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the 1N943B?
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.
What package is the 1N943B?
DO-7, with 2 pins.
Where is the 1N943B datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the 1N943B?
JLCPCB lists it as part C6395757, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N943B?
Parts like it in the library: the CDLL942A/TR by Microchip Technology, the CDLL943B by Microchip Technology, the NZX12X by Nexperia and the 1N943A by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8CDLL942A/TR
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DO-35(DO-204AH)Zener DiodesMicrochip Technology