Overview
The 1N4991 is a zener Diode made by Microchip Technology in a 插件 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 C6984015).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
8- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 2.05kΩ
- Impedance(Zzt)
- 650Ω
- Operating Junction Temperature Range
- -65℃~+175℃
- Pd - Power Dissipation
- 5W
- Reverse Leakage Current (Ir)
- 2uA@182V
- Tolerance
- ±5%
- Zener Voltage(Nom)
- 240V
Order codes
1- 1N4991LCSC C6984015
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the 1N4991?
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 1N4991?
插件, with 2 pins.
Where is the 1N4991 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the 1N4991?
JLCPCB lists it as part C6984015, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N4991?
Parts like it in the library: the JAN1N4991CUS/TR by Microchip Technology, the JAN1N4991US/TR by Microchip Technology, the 1N4991US/TR by Microchip Technology and the JANTXV1N4991 by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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