Overview
The 1N4490US is a zener Diode made by Microchip Technology 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 C6984768).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
4- Impedance(Zzt)
- 300Ω
- Pd - Power Dissipation
- 1.5W
- Reverse Leakage Current (Ir)
- 250nA@88V
- Zener Voltage(Nom)
- 110V
Order codes
1- 1N4490USLCSC C6984768
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the 1N4490US?
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 1N4490US datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the 1N4490US?
JLCPCB lists it as part C6984768, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N4490US?
Parts like it in the library: the SMBJ5379B by Slkor, the TP1SMB5950BT3G by TECH PUBLIC, the 1N5950BUR-1/TR by Microchip Technology and the JAN1N4490CUS/TR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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