
Overview
The SI2300 is a MOSFET made by TDD in a SOT-23 package with 3 pins. 1 N-channel 1.3V 20V 4A 70mΩ@4.5V N-Channel ±8V SOT-23 MOSFETs ROHS.
PCBKit's library has its KiCad symbol (Pinmap_Generic:Q_NMOS_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. 6,450 are in stock at JLCPCB (part C55099177).
Symbol
Footprint
Parameters
7- Current - Continuous Drain(Id)
- 4A
- Drain to Source Voltage
- 20V
- Gate Threshold Voltage (Vgs(th))
- 1.3V
- Number
- 1 N-channel
- RDS(on)
- 70mΩ@4.5V
- Type
- N-Channel
- Vgs
- ±8V
Order codes
1- SI2300LCSC C55099177
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | G | Input |
| 2 | S | Passive |
| 3 | D | Passive |
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<iframe src="https://pcbkit.io/embed/parts/tdd/SI2300" title="SI2300 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/tdd/SI2300.jpg" alt="SI2300" width="1200" height="900">[](https://pcbkit.io/parts/tdd/SI2300)Questions
Is there a KiCad symbol and footprint for the SI2300?
Yes. The symbol is Pinmap_Generic:Q_NMOS_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 SI2300?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where can I order the SI2300?
JLCPCB lists it as part C55099177, with 6,450 in stock; the sellers' links on this page open their listings.
What can replace the SI2300?
Parts like it in the library: the HL2302B by hongjiacheng, the AO3401A by YONGYUTAI, the SI2318 by GOODWORK and the HL3401 by HL. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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