

Overview
The TN2124K1-G is a MOSFET made by Microchip Technology in a SOT-23-3 package with 3 pins. -55℃~+150℃ 1 N-channel 15Ω@4.5V 240V 2V 360mW 50pF 5pF SOT-23-3 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-23-3, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C626651). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
12- Current - Continuous Drain(Id)
- 134mA
- Drain to Source Voltage
- 240V
- Gate Threshold Voltage (Vgs(th))
- 2V
- Input Capacitance(Ciss)
- 50pF
- Number
- 1 N-channel
- Operating Temperature
- -55℃~+150℃
- Output Capacitance(Coss)
- 9pF
- Pd - Power Dissipation
- 360mW
- RDS(on)
- 15Ω@4.5V
- Reverse Transfer Capacitance (Crss@Vds)
- 5pF
- Type
- N-Channel
- Vgs
- ±20V
Order codes
1- TN2124K1-GLCSC C626651
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | G | Input |
| 2 | S | Passive |
| 3 | D | Passive |
Open-source boards using it
All 1- 2 layers100 × 98 mm

Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/microchip/TN2124K1-G" title="TN2124K1-G in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/TN2124K1-G.jpg" alt="TN2124K1-G" width="1200" height="900">[](https://pcbkit.io/parts/microchip/TN2124K1-G)Questions
Is there a KiCad symbol and footprint for the TN2124K1-G?
Yes. The symbol is Pinmap_Generic:Q_NMOS_1G_2S_3D and the footprint Package_TO_SOT_SMD:SOT-23-3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the TN2124K1-G?
SOT-23-3, with 3 pins. Its footprint is drawn on this page.
Where is the TN2124K1-G datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the TN2124K1-G?
JLCPCB lists it as part C626651, with 0 in stock; the sellers' links on this page open their listings.
What can replace the TN2124K1-G?
Parts like it in the library: the BSR92P by TECH PUBLIC, the DMN24H3D5L by TECH PUBLIC, the TN5335K1-G by Microchip Technology and the TP5335K1-G by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the TN2124K1-G?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8BSR92P
SOT-23-3LMOSFETsTECH PUBLICDMN24H3D5L
SOT-23-3L-55℃~+150℃ 1 N-channel 1.097nF 1.5W 1.7Ω@10V 14pF 17nC@4.5V 250V 25pF 2A 3V SOT-23-3L MOSFETs ROHSTECH PUBLICMOSFETsTN5335K1-G
SOT-23-3-55℃~+150℃ 1 N-channel 110pF 15Ω@10V 2V 350V 750mA SOT-23-3 MOSFETs ROHSMicrochip TechnologyMOSFETsTP5335K1-G
SOT-23-3-55℃~+150℃ 1 P-Channel 2.4V 2pF 30Ω@10V 350V 360mW 400mA 80pF SOT-23-3 MOSFETs ROHSMicrochip TechnologyMOSFETsTP5322K1-G
SOT-23-3LMOSFETsTECH PUBLICTPM2502NS3L
SOT-23-3L-55℃~+150℃ 1 N-channel 1.097nF 1.5W 1.7Ω@10V 14pF 250V 25pF 2A 3V 60nC@4.5V SOT-23-3L MOSFETs ROHSTECH PUBLICMOSFETsDO06N30AA
SOT-23-3MOSFETsDOINGTERTN5325K1-G
SOT-23-3MOSFETsMicrochip Technology