
Overview
The SWT18N50D is a MOSFET made by Samwin in a TO-247 package with 3 pins. -55℃~+150℃ 1 N-channel 18A 19pF 2.5V 240mΩ@10V 312.5W 4.68nF 500V 88nC@10V TO-247 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-247-3_L15.9-W5.0-P5.44-L, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C5151816).
Symbol
Footprint
Parameters
13- Current - Continuous Drain(Id)
- 18A
- Drain to Source Voltage
- 500V
- Gate Charge(Qg)
- 88nC@10V
- Gate Threshold Voltage (Vgs(th))
- 2.5V
- Input Capacitance(Ciss)
- 4.68nF
- Number
- 1 N-channel
- Operating Temperature
- -55℃~+150℃
- Output Capacitance(Coss)
- 311pF
- Pd - Power Dissipation
- 312.5W
- RDS(on)
- 240mΩ@10V
- Reverse Transfer Capacitance (Crss@Vds)
- 19pF
- Type
- N-Channel
- Vgs
- ±30V
Order codes
1- SWT18N50DLCSC C5151816
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | G | Input |
| 2 | D | Passive |
| 3 | S | Passive |
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<iframe src="https://pcbkit.io/embed/parts/samwin/SWT18N50D" title="SWT18N50D in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/samwin/SWT18N50D.jpg" alt="SWT18N50D" width="1200" height="900">[](https://pcbkit.io/parts/samwin/SWT18N50D)Questions
Is there a KiCad symbol and footprint for the SWT18N50D?
Yes. The symbol is Pinmap_Generic:Q_NMOS_1G_2D_3S and the footprint EasyEDA_Cloud:TO-247-3_L15.9-W5.0-P5.44-L, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SWT18N50D?
TO-247, with 3 pins. Its footprint is drawn on this page.
Where is the SWT18N50D datasheet?
Samwin publishes it: the Datasheet link on this page opens it.
Where can I order the SWT18N50D?
JLCPCB lists it as part C5151816, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SWT18N50D?
Parts like it in the library: the NCE60NF031T by Wuxi NCE Power Semiconductor, the IXFH26N50P by Littelfuse/IXYS, the NCE65NF036T by Wuxi NCE Power Semiconductor and the 28N50 by HXY MOSFET. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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