

Overview
The STP40NF03L is a MOSFET made by STMicroelectronics in a TO-220 package with 3 pins. -55℃~+175℃ 1 N-channel 15nC@4.5V 18mΩ@10V 2.5V 30V 40A 60pF 70W 770pF TO-220 MOSFETs ROHS.
PCBKit's library has its KiCad symbol (Pinmap_Generic:Q_NMOS_1G_2D_3S, from PCBKit's generic symbols) and its footprint (EasyEDA_Cloud:TO-220-3_L10.5-W4.8-P2.54-L, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C501038). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
13- Current - Continuous Drain(Id)
- 40A
- Drain to Source Voltage
- 30V
- Gate Charge(Qg)
- 15nC@4.5V
- Gate Threshold Voltage (Vgs(th))
- 2.5V
- Input Capacitance(Ciss)
- 770pF
- Number
- 1 N-channel
- Operating Temperature
- -55℃~+175℃
- Output Capacitance(Coss)
- 255pF
- Pd - Power Dissipation
- 70W
- RDS(on)
- 18mΩ@10V
- Reverse Transfer Capacitance (Crss@Vds)
- 60pF
- Type
- N-Channel
- Vgs
- ±16V
Order codes
1- STP40NF03LLCSC C501038
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | G | Input |
| 2 | D | Passive |
| 3 | S | Passive |
Open-source boards using it
All 1- 2 layers

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<iframe src="https://pcbkit.io/embed/parts/st/STP40NF03L" title="STP40NF03L in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/STP40NF03L.jpg" alt="STP40NF03L" width="1200" height="900">[](https://pcbkit.io/parts/st/STP40NF03L)Questions
Is there a KiCad symbol and footprint for the STP40NF03L?
Yes. The symbol is Pinmap_Generic:Q_NMOS_1G_2D_3S and the footprint EasyEDA_Cloud:TO-220-3_L10.5-W4.8-P2.54-L, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the STP40NF03L?
TO-220, with 3 pins. Its footprint is drawn on this page.
Where is the STP40NF03L datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the STP40NF03L?
JLCPCB lists it as part C501038, with 0 in stock; the sellers' links on this page open their listings.
What can replace the STP40NF03L?
Parts like it in the library: the IRFB7537PBF by Infineon Technologies, the STP160N75F3 by STMicroelectronics, the IRF2907ZPBF by Infineon Technologies and the IRFB4510PBF by Infineon Technologies. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the STP40NF03L?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8IRFB7537PBF
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