Overview
The SI2303 is a MOSFET made by FMS in a SOT-23 package with 3 pins. 1 P-Channel 1.9A 155pF 1W 30V 330mΩ@4.5V 35pF 3V P-Channel SOT-23 MOSFETs ROHS.
PCBKit's library has its KiCad symbol (Pinmap_Generic:Q_PMOS_1G_2S_3D, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C163245).
Symbol
Footprint
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | G | Input |
| 2 | S | Passive |
| 3 | D | Passive |
Parts like it
2
Questions
Is there a KiCad symbol and footprint for the SI2303?
Yes. The symbol is Pinmap_Generic:Q_PMOS_1G_2S_3D and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SI2303?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where is the SI2303 datasheet?
FMS publishes it: the Datasheet link on this page opens it.
Where can I order the SI2303?
JLCPCB lists it as part C163245, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SI2303?
Parts like it in the library: the CES2314 by CET and the KMB3D0P30SA-RTK/P by KEC Semicon. Check their datasheets: a part that fits the footprint may still differ in its ratings.